The prefixes you provided do not correspond to any known chemical element or compound. The prefixes used in chemistry typically come from Greek or Latin and indicate the number of atoms present in a molecule of a certain element or compound.
For example, "mono-" indicates 1 atom, "di-" indicates 2 atoms, "tri-" indicates 3 atoms, "tetra-" indicates 4 atoms, and so on. prefixes let me know if you have any other question
Mono - 1 - montui, chloride
di - 2 atoms - donde
tri - 3 atoms - triponthou
tetra - 4 atoms - tetrisdide
utra - 5 atoms - utracondo are prefixes .
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SEP Compare Data Look at the data in Figure 2. Which is the most
electronegative
atom? Which is the least?
The most electronegative atom is Flourine and the least is Hydrogen
How is fluorine the one with most electronegative atom?The attached image indicates how the highly electronegative Fluorine atom takes away most of the electron density (red-to-blue colored cloud) from a hydrogen–fluoride covalent bond.
An electronegative atom is an atom that has a tendency to attract electrons towards itself when it is part of a chemical bond. The most common example is the oxygen atom. The ability of an atom to attract electrons is known as its electronegativity.
The higher the electronegativity of an atom, the more it will pull electrons towards itself. The electronegativity of an atom is determined by its atomic number and the number of electrons in its outermost shell.
Therefore, the correct answer is as given above
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For your new candle-making business, you need to purchase a large amount of a unique scented wax. You plan to charge $9. 95 per large candle. The wax you need is availbale form a U. S. Supplier for $25. 53/1b and also from a German supplier for €11. 90/kg. The current exchange rate is $1=€0. 76 and 1 kg=2. 20 lb
What is the price of the wax from the U. S. Supplier in €/kg?
What is the price of the wax from the German supplier in $/lb
The price of the wax from the U.S. supplier in €/kg would be: €25.53 / 2.20 lb = €11.67/kg.
The price of the wax from the German supplier in $/lb would be $11.90 / 0.76 = $15.68/lb.
This price is calculated by taking the cost of the wax in US dollars and converting it to Euros using the current exchange rate of $1 = €0.76.
This price is calculated by taking the cost of the wax in Euros and converting it to US dollars using the current exchange rate of $1 = €0.76. It's important to note that the price of the wax from the German supplier is higher than the price from the US supplier when converted to dollars per pound.
This is because the price per kg is lower but the conversion to pound makes it higher.
The price of the wax from the U.S. supplier in €/kg would be: €25.53 / 2.20 lb = €11.67/kg.
The price of the wax from the German supplier in $/lb would be $11.90 / 0.76 = $15.68/lb.
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which of the following compounds contains the Iron (III) ion?
A) FeN
B)FeS
C)FeCl2
D)FeS
Answer:
(A)
Explanation:
All the Fe ions in the other choices have +2 valences. Since the N ion has a -3 valence, the compound FeN can only be formed if Fe has a +3 valence.
Why are the elements in Groups 1 and 17 so reactive?
Fluorine as well as chlorine are among the substances in group 17. Alkali metals as well as hydrogen are both part of group 1 on the periodic table.
Group 1 elements were extremely reactive due to the fact that they only contain one valence electron. As just a result, atoms were only ever combined with some other elements present in nature.
Due to their size as well as low ionisation enthalpy, alkali metals were extremely reactive metals. Moving lower in the group causes them to become more reactive. Reactivity to air: These metals discolor when exposed to dry air because oxides create, which then react with moisture to generate hydroxides.
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Given that 1 kWh = 3. 6 MJ and that 1 Btu = 1055 J, show that 1 kWh = 3412 Btu.
Given that 1 kWh = 3. 6 MJ and that 1 Btu = 1055 J, It is shown that 1 kWh = 3412 Btu.
1 kilowatt (kWh) = 3.6 mega Joules (MJ)
1 British thermal unit (Btu) = 1055 Joules (J)
As we know that:
1 MJ = 1000000 J
Since
1 kWh = 3.6 x 1000000 J
Calculate for 1 J
1 J = 1 ÷ 1055 Btu
1 kWh = 3.6 x 1000000 x (1 ÷ 1055) Btu
1 kWh = 3412.32 Btu
So it is calculated that 1 kilowatt (kWh) is equal to 3412 British thermal units (Btu).
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Calculate ΔS∘ for Ti(s)+2Cl2(g)→TiCl4(g)
Express your answer using four significant figures.
ΔS∘ for Ti(s)+2Cl2(g)→TiCl4(g) is 659.6J/mol.. It is important to note that, as a general rule, a positive ΔS° indicates an increase in disorder and a negative ΔS° indicates a decrease in disorder.
The change in entropy (ΔS) for a chemical reaction can be calculated using the standard entropies (S°) of the reactants and products.
ΔS° = S°(products) - S°(reactants). For the reaction Ti(s) + 2Cl2(g) → TiCl4(g)S° of Ti(s) = 29.1 J/mol·K, S° of Cl2(g) = 223.1 J/mol·K, S° of TiCl4(g) = 167.4 J/mol·K. Therefore, ΔS° = (S°(TiCl4) + 2S°(Cl2)) - S°(Ti)ΔS° = (167.4 + 2*223.1) - 29.1 = 659.6 J/mol·K. So the ΔS∘ for Ti(s) + 2Cl2(g) → TiCl4(g) is 659.6 J/mol·K with four significant figures. It is important to note that, as a general rule, a positive ΔS° indicates an increase in disorder and a negative ΔS° indicates a decrease in disorder. So in this case, the process of going from solid titanium and gaseous chlorine to gaseous titanium tetrachloride increases disorder, which is consistent with a positive ΔS°.
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Use information from the reaction to design an experiment that could be used to remove the tarnish (Ag2S) from a silver fork
Line a basin with foil, add a teaspoon of bicarbonate of soda and a sprinkle of salt, and then pour in hot water. The tarnished silver object may then be immersed in water, ensuring sure it comes into touch with the aluminum foil, as well as the silver sulphide tarnish will quickly dissipate.
Tarnish is caused by a chemical interaction between silver and sulfur-containing compounds in the air. Silver sulphide is formed when silver combines with sulphur. Silver sulphide is a dark substance. A thin layer of silver sulphide grows on the surface of silver, darkening it.
Experimental design is a technique that enables scientists and engineers to efficiently assess the effect of multiple inputs, or factors, on measures of performance, or responses. A bone density research, for example, contains three experimental groups: a control group, the stretching exercise group, as well as a jumping exercise group. In a between-subjects experiment, investigators allocate each participant to one of three groups at random. While silver is the most commonly linked with tarnishing, it may occur on almost every metal, including aluminum, copper, and brass.
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A mixture contains only NaCl and Al2(SO4)3. A 1.68-g sample of the mixture is dissolved in water and an excess of NaOH is added, producing a precipitate of Al(OH)3. The precipitate is filtered, dried, and weighed. The mass of the precipitate is 0.116 g. What is the mass percent of Al2(SO4)3 in the sample
The precipitate is collected, filtered, dried, and weighed.. The mass of the precipitate is 0.116 g.
What is dissolved?Dissolved refers to a solute that is completely dissolved in a solvent, resulting in a homogeneous mixture. When a solute, such as a salt, is dissolved in a solvent, such as water, the molecules of each component are dispersed evenly throughout the mixture. This process can be reversed by evaporating the solvent, leaving the solute behind. The amount of solute that can be dissolved in a particular solvent is known as its solubility.
Mass of Al2(SO4)3= Mass of sample- Mass of precipitate
Mass of Al2(SO4)3= 1.68-0.116=1.564 g
Percent of Al2(SO4)3= (1.564/1.68)*100= 93.45 %
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Diatomic elements are important. what makes them different from other elemental substances?
Diatomic elements are elements that exist as pairs of atoms. Unlike other elemental substances, diatomic elements cannot exist as single atoms, but must exist as a pair of atoms bound together.
What is elemental?Elemental refers to an element or substance made up of one kind of atom, such as oxygen, carbon, or hydrogen. Elements are the basic building blocks of matter, and they are combined in different ways to form the molecules of different materials. Elemental substances are the most basic form of matter, and they are essential for life on Earth. There are currently 118 known elements, and they are found in nature and in many products. Each element has unique properties, and they can be used in different ways. For example, oxygen is essential for human respiration, while carbon is found in many materials, such as plastics and diamonds.
Examples of diatomic elements include nitrogen (N2), oxygen (O2), hydrogen (H2), chlorine (Cl2), fluorine (F2), and bromine (Br2).
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m
4. You are carrying your 9-kg backpack to school. If your mass is 64 kg and you are walking with an acceleration of 2.5
what is your force?
O 160 N
29.2 N
2 183 N
O 22.5 N
Answer:
183N
Explanation:
183N we have to add both mass
Answer:
184N is my force wen carting a backpack
2
Select the correct answer from each drop-down menu.
How are real gases different from ideal gases?
Real gases differ from ideal gases because in a real gas,....
Answer:
Real gases particles are smaller than ideal gases
What is the type of mutation represented by the amino acid sequence below?
Correct sequence: Leucine – Alanine – Glycine – Leucine
Mutated sequence: Leucine – Alanine – Valine – Leucine
Answer:
Substitution mutation
Explanation:
A substitution mutation is a type of mutation in which one or more nucleotide base is replaced by another in a sequence. This will result in the replacement of one or more amino acid in the amino acid sequence.
This is the case in this question where the original amino acid sequence was given as: Leucine – Alanine – Glycine – Leucine. After mutation, the following mutated sequence was produced: Leucine – Alanine – Valine – Leucine.
As illustrated above, one would notice that there is replacement of GLYCINE amino acid by VALINE in the mutated sequence, hence, it is an example of SUBSTITUTION MUTATION.
Counting Atoms in Chemical Equations Nitrogen gas reacts with hydrogen to produce ammonia. Use the chemical equation to complete the statements. N2 + 3H2 → 2NH3
Answer:
There are 2 nitrogen atoms on the product side.
There are 6 hydrogen atoms on the reactant side.
Explanation:
Answer:
There are 2 nitrogen atoms on the product side.
There are 6 hydrogen atoms on the reactant side.
Explanation:
As seen in the picture below,
The frequency of a wave does not change as it passes from one medium to another.
What will most likely happen if a light wave moves from the air into a solid?
A. The wavelength of the light wave will increase.
B. The speed of the light wave will decrease.
C. The wavelength of the light wave will remain the same.
D. The speed of the light wave will remain the same.
Answer:
When waves travel from one medium to another the frequency never changes. As waves travel into the denser medium, they slow down and wavelength decreases. Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same.
Which component of the periodic table is needed to determine why KCl tastes like NaCl? A. Group B. Period C. Atomic Weight D. Atomic Number
Atomic Number of the periodic table is needed to determine why KCl tastes like NaCl.
What is the Periodic Table?
The Periodic Table is a tabular arrangement of the chemical elements organized by atomic number, electron configuration, and recurring chemical properties. It is one of the most important tools in chemistry, providing a useful framework to classify, systematize, and predict the properties of elements.
Atomic numbers are used to identify each element in the periodic table, and they are also used to determine the number of protons in the nucleus of an atom. The number of protons in an atom determines its chemical properties, and the similarity in the number of protons between two elements can explain why they have similar properties. In this case, the similarity in the atomic number of potassium (K, atomic number 19) and sodium (Na, atomic number 11) explains why the salts of both elements, potassium chloride (KCl) and sodium chloride (NaCl), taste the same.
Hence, Option D is correct.
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Learning Task 3: Why can a car run faster on a smooth
rood than on a rough roade (5points).
Answer:
it is easy to push a car on smooth road than on a rough road because friction is less in smooth road than on rough roads.
Answer:
Why can a car run faster on a smooth
rood than on a rough road it is because friction is less in smooth roads than in rough road....
Explanation:
hope it helps..stay safe!
lead can react with oxygen gas. If lead (IV) oxide is the product of the reaction, how would the reaction be classified
Answer:
this reaction is an oxidation reaction
The chemical reactions involving both oxidation and reduction are known as redox reactions. The oxidation involves the loss of electrons. The reaction of lead with oxygen is an example of oxidation reaction.
What is oxidation reaction?According to the classical concept, oxidation is defined as a process which involves the addition of oxygen or electronegative element or the removal of hydrogen or electropositive element.
During electron transfer, the species which loses electrons is said to be oxidized and the species which gains electrons is said to be reduced.
The lead (IV) oxide is the formula of PbO₂. Here the oxidation state of lead is +4. The lead (IV) oxide is used in manufacturing dyes and also used to make explosives. It is a corrosive outcome that can evolve in lead pipes that are used for drinking water.
The formation of lead (IV) oxide is given as:
Pb (s) + O₂ (g) → PbO₂ (g)
Thus the reaction is an oxidation reaction.
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ASAP HELP
This question is about acids and bases.
What is the pH of sulfuric acid?
Tick () one box.
1
7
14
Answer:
the answer is 2.75 but since that isn't an option I'd go with 1 because I just took a test with this question and it was the right answer.. hopefully that helps
At one sewage treatment plant, bacteria cultures produce 1000 L of methane gas per day at 1.0 atm pressure. What volume tank (V2) would be needed to store one day's amount of gas at a pressure of 5.0 atm?
At a pressure of 5.0 atm, IS 200 L of gas would need to be stored in the volume tank (V2).
How to find the volume?The mass of a body can be calculated from its volume using density, and vice versa. The mass is equal to the volume multiplied by the density (M = Vd), whereas the volume is equal to the mass divided by the density (V = M/d). Use a laboratory scale to weigh the masses, or use the density formula D = m/V to convert the solvent volume to mass. Find your ultimate volume by multiplying the solute and solvent masses.Volume, which is measured in cubic units, is the area in three dimensions that matter occupies or that is encircled by a surface. Cubic metres (m3), a derived measure, are used as the SI unit of volume.To learn more about volume, refer to:
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An enzyme's specificity can be due to: Group of answer choices amount of substrate available molecular recognition based on structural complementarity the ratio of catalyzed rate to the uncatalyzed rate of reaction. amount of enzyme produced by the cell.
Answer:
molecular recognition based on structural complementarity
Explanation:
Enzymes work on the basis of a lock and key model. The substrates on which enzymes act are specifically tailored to suit the shape of the enzyme.
As such, the enzyme just fits into the substrate in the same way as the right key fits into a lock.
Hence, molecular recognition based on structural complementarity is the basis for the specificity of enzyme activity.
5 difference between Ionic compound and covalent compounds in tabular form
1. Ionic compounds are formed by the transfer of electrons that are positively and negatively charged, whereas, covalent compounds are formed by sharing the electrons. 2. In an ionic compound, bonding involves a metal and nonmetal, whereas, in the covalent compound, bonding is between nonmetals.
what point is swift makihng in a modest proposel by discounting other people and more humane solutions
Making people aware of how terrible hunger and poverty are in contemporary society is the aim of A Modest Proposal.
These kinds of problems are still important in today's culture and are not only confined to Swift's day. Jonathan Swift wrote an article titled "A Modest Proposal" that discusses hunger and poverty. Swift created it in 1729 as a means of drawing attention to how terrible these issues were.Most likely, this idea did seem excessive to many of his contemporaries, especially if they failed to grasp the text's satirical and sarcastic tone. Swift is trying to make a point about how things between the rich English and the poor Irish have gotten out of hand.
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Help please help me
Answer:
Strong acids are defined by their pKa. The acid must be stronger in aqueous solution than a hydronium ion, so its pKa must be lower than that of a hydronium ion. Therefore, strong acids have a pKa of <-174. Strong acids can be organic or inorganic.
Explanation:
Bond Strength
Strong acids have mostly ions in solution, therefore the bonds holding H and A together must be weak. Strong acids easily break apart into ions. Weak acids exist mostly as molecules with only a few ions in solution, therefore the bonds holding H and A together must be strong.
i think it will help you
The heat of vaporization for water is 40.7 kJ/mol. How much heat energy must 150.0 g of water absorb to boil away completely
The heat of vaporization for water is 40.7 kJ/mol. the heat energy must 150.0 g of water absorb to boil away completely is 6106 kJ.
The expression is given as :
q = m ΔH
where ,
q is heat energy
m is the mass
ΔH is the heat of the vaporization.
q = heat = ?
m = mass = 150 g
ΔH = heat of vaporization = 40.7 kJ/mol
q = 150 × 40.7
q = 6106 kJ
Thus , if the heat of vaporization is 40.7 kJ/mol ,the heat energy required for 150 g of water absorb to boil away completely is 6106 kJ.
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In the last minute rush to assemble the demonstration, your teacher spills the lead chloride all over their sandwich and is left with 57.2 grams in the bottle. How much potassium iodide should be weighed out to convert all of the lead chloride to product?
Answer: Magnesium is being oxidized, and the chloride ion is being reduced. ... solutions of the reactants lead(II) nitrate and potassium iodide.
Explanation:
when 8 moles of nh3 was used in a reaction how many mole of o2 needs to be used
Answer: Uhmmmm what dude i dont know what to say how the heck so i solve this?
Explanation:
What is the volume of 2.43 x 1023 molecules of N2 gas at STP
Answer:
9.05L
Explanation:
-intervención de los neurotransmisores de la felicidad y de la tristeza en los trastornos de la bipolaridad. Como estimular los neurotransmisores de la felicidad en nuestro cuerpo.
doy 5 estrellas
Answer: Desarrollar y ceñirse a un horario diario puede ayudar a estabilizar los cambios de humor del trastorno bipolar. Incluya horarios establecidos para dormir, comer, socializar, hacer ejercicio, trabajar y relajarse. Trate de mantener un patrón regular de actividad incluso durante los altibajos emocionales.
Explanation:
A bank robber i driving north on Catchem Lane at 90 mph to avoid be arreted. Peed
velocity
acceleration
The robber is driving at a constant velocity of 90 mph and is not accelerating/decelerating, which means their acceleration is 0 mph/sec.
What is velocity?A vector quantity that has magnitude and direction is velocity. In time, it is the rate at which the displacement changes. You can calculate speed using the formula speed = distance/time. This is a way of measuring how fast something is moving in a particular direction. Acceleration, or the rate at which an object's velocity changes, is closely related to velocity. As a vector quantity, velocity has both direction and magnitude. To maintain constant velocity, the object must be moving in the same direction at a constant velocity.
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The complete question is as follows:
A bank robber is driving north on Catchem Lane at 90 mph to avoid be arrested. Calculate:
Speed
Velocity
Acceleration
Shown below is the phase diagram for a typical liquid mixture of two components, A and B. a What is the significance of the horizontal line between points X and Y? O The length of the line XY corresponds to the difference in boiling point of components A and B. O A boiling liquid with composition X will produce vapor with composition Y. O The point X gives the vapor composition of the less volatile component and Y gives the vapor composition of the more volatile component. The line gives the difference. O A boiling liquid with composition Y will produce a vapor with composition X. b Using the phase diagram, determine the molar composition of the vapor in equilibrium with a boiling liquid that has a composition of 40% A and 60.% B. Percentage vapor composition A= 10 % Percentage vapor composition B 90 % What is the boiling point of this liquid? Boiling point 100 °C
The line between points X and Y represents the difference in boiling points of components A and B. A boiling liquid with a composition of 40% A and 60% B will produce a vapor with a composition of 10% A and 90% B, and have a boiling point of 100°C.
The significance of the horizontal line between points X and Y on the phase diagram is that it represents the difference in boiling points of components A and B. This line indicates the point at which the vapor and liquid phases are in equilibrium. On the diagram, point X gives the vapor composition of the less volatile component, while point Y gives the vapor composition of the more volatile component.
By looking at the phase diagram, we can determine the molar composition of the vapor in equilibrium with a boiling liquid that has a composition of 40% A and 60% B. The vapor composition of the less volatile component (X) is 10%, while the vapor composition of the more volatile component (Y) is 90%. The boiling point of this liquid is 100°C.
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