There are 300 light particles in an airtight container. The adjustment that would increase the speed of the particle is keeping the pressure constant and increasing the temperature. Option B is correct.
The speed of a particle is the distance traveled by one molecule of a substance. Particles travel as a result of the kinetic energy they possess.
The kinetic energy attributed to each particle rises as the temperature rises.
As a result, in 300 light particles, the particles will travel more quickly when the temperature is increased while the pressure of the particle remains constant.
Therefore, we can conclude that the adjustment that would increase the speed of the particles is keeping the pressure constant and increasing the temperature.
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In the equation above an element is identified by which latter
Answer:
C
Explanation:
Option C points to Sr which is the element Strontium
1. Your parents go through McDonalds drive-thru and get you a Big Mac and Coke. You
take the lid off your Coke because it is too full and you need to sip some of the Coke so
it won't spill. After doing so, you forget to put the lid on. Then, a car pulls out in front of
you and your mom yells, "Look out!" You hold your cup still so it won't spill. However,
the coke still spills out. Describe which of Newton's laws you can contribute this to and
why. (textbook pg. 334)
Answer:
because theres a force called gravity
Explanation:
S + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2O
In the above equation how many moles of water can be made when 28 moles of HNO3 are consumed?
AND
2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2O
In the above equation how many moles of water can be made when 76 moles of NH3 are consumed?
#1
2 mol of water is made when 6mol of HNO3 are consumed.Let moles of water can be made be x
[tex]\\ \sf\longmapsto \dfrac{2}{6}=\dfrac{x}{28}[/tex]
[tex]\\ \sf\longmapsto \dfrac{1}{3}=\dfrac{x}{28}[/tex]
[tex]\\ \sf\longmapsto 3x=28[/tex]
[tex]\\ \sf\longmapsto x\approx 9mol[/tex]
#2
Let moles of water can be made be x
[tex]\\ \sf\longmapsto \dfrac{3}{2}=\dfrac{x}{76}[/tex]
[tex]\\ \sf\longmapsto 2x=76(3)=228[/tex]
[tex]\\ \sf\longmapsto x=114mol[/tex]
What molecular shape is oxygen dibrimide
Answer:As predicted by VSEPR theory, the molecule adopts a "bent" molecular geometry similar to that of water.
Explanation:
What's the study of earth and its atmosphere ?
Answer:
Meteorology is the science dealing with the atmosphere and its phenomena, including both weather and climate
Answer: Meteorology I believe
Explanation:
Help again thank you lots of points for you keep helping I will give you a good review thanks!
Answer:
it would prob be planet y
Write the chemical formula for the ionic compound formed by lithium and fluorine.
Answer:
→ LiF
Explanation:
[tex]{ \rm{2Li _{(s)} + F _{2(g)} \dashrightarrow \: 2LiF _{(s)} }}[/tex]
Answer:
[tex]Lithium⟼Li+Fluorine⟼F=LiF[/tex]
Which electron transition would result in the emission
of energy?
A) 3s to 4s
B) 3p to 4p
C) 3s to 3p
D) 4p to 4s
HELP PLEASE!!
Answer:
When the electron transits from an excited state to its lower energy state, it will gice off the same amound of energy needed to raise to that level. This emitted energy is a photon.
The answer is C, 3s to 3p.
The accepted value of Ksp is 1.2×10−12 for Ag2CrO4. Calculate the percentage error if your experimentally determined value for Ksp was 1.5×10−10.
The percentage error in the experimental determination is 124%.
The experimentally determined value for Ksp = 1.5×10^−10
The accepted value of Ksp = 1.2 × 10^−12
The formula for percentage error is;
% error = absolute value of ( actual value - experimental value)/actual value × 100/1
% error = absolute value of (1.2 × 10^−12 - 1.5×10^−10)/ 1.2 × 10^−12 × 100/1
% error = 124%
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What is the molar concentration of a solution prepared by dissolving 8.63 g of Ba(NO3)2 (molar mass = 261.35 g/mol) to a total volume of 250.0 mL?
What is the molar concentration of a solution prepared by diluting 10.0 mL of the solution in Question #1 to a total volume of 50.00 mL?
The concentration of the solution is 0.132 M, the concentration of the diluted solution is 0.026 M.
Given that;
number of moles = concentration × Volume
Concentration = number of moles/volume
But number of moles = mass/molar mass
mass = 8.63 g
Molar mass = 261.35 g/mol
Hence, number of moles = 8.63 g/261.35 g/mol = 0.033 moles
volume = 250.0 mL or 0.25 L
concentration = 0.033 moles/0.25 L = 0.132 M
For the second part of the question;
Using the dilution formula, C1V1 =C2V2
C1 = initial concentration = 0.132 M
V1 = initial volume = 10.0 mL
C2 = Final concentration = ?
V2 = Final volume = 50.00 mL
C2 = 0.132 M × 10.0 mL/ 50.00 mL
C2 = 0.026 M
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A measure of how much substance is packed into a space
A) Density
B) Mass divided by volume
C) Water
D) Element
Answer:
a
Explanation:
Answer:
A
Explanation:
Density is the amount of space that atoms are compacted in a substance.Apr 25, 2017
Write the symbolic notation of an isotope of an element having 8 protons, 8 electrons, and 10 neutrons. Click on the “Templates” button template button and make use of the "stacked super/subscript" button button for entering stackes super/subscripts for entering the mass number and atomic number of the isotope.
Answer:
8 electróns
Explanation:
because the Last protons
Is each ion stable? Explain.
Answer:
By satisfying the duet rule or the octet rule, ions are more stable.
Explanation:
Ionic bonds are formed through the exchange of valence electrons between atoms, typically a metal and a nonmetal. The loss or gain of valence electrons allows ions to obey the octet rule and become more stable.
The octet rule states that an atom is most stable when there are eight electrons in its valence shell. Atoms with less than eight electrons tend to satisfy the duet rule, having two electrons in their valence shell. By satisfying the duet rule or the octet rule, ions are more stable.
I HOPE THIS HELPS!!!!
PLEASE HELP ME WITH THIS I ONLY HAVE 8 MINUTES I will give you extra points . NUMBER 6
Answer:
3 mass instincts. If you look at the scale you can they evenly sometimes line up with a line. Whenever a huge instinct occurred the lines were really high, but whenever they were little instincts on the scale the lines would go down
Explanation:
Balance the following equation:
C2H5NH2(g) + O2(g) →
CO2(g) + H2O(g) + N2(g)
Answer:
4C2H5NH2(g) + 15O2(g) → 8CO2(g) + 14H2O(g) + 2N2(g)
Explanation:
The balanced chemical equation for the given chemical reaction is 4 C₂H₅NH₂(g) + 15 O₂(g) → 8 CO₂(g) + 14 H₂O(g) + 2 N₂(g).
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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The basic unit of structure and function of living things is the .
Answer:
It would be cell
Explanation:
If im correct then please mark me as brainliest!
HELP!! fill in the blank using the word bank please (picture attached).
A basketball weighing 0.5 kg is flying through the air at 10
m/s. What is its kinetic energy?
Enter the answer
Check it
Improve this questio
Answer:
25J
Explanation:
Kinetic energy = (mv^2)/2. So (.5)(10^2)/2 = 25 J
Americans drink 5,604,000 gallons of sweet tea each day. How many liters is
that? (1 gal = 3.79 L)
5604000gallon =21239160 liters
Which of these correctly describes the layer of Earth that has the highest temperatures?
The crust is the hottest because it is closest to the Sun.
The mantle is the hottest because it is the thickest layer.
The outer core is the hottest because it is composed of liquid rock.
The inner core is the hottest because it is under the most pressure.
Please English
Thank you:)
Answer:
The inner core is the hottest because it is under the most pressure.
Explanation:
brainliest please. . .
A spoonful of table salt dissolve in a bowl of soup is what change?
Answer:
Dissolving a solid in liquid, such as table salt in water, is a physical change because only the state of the matter has changed.
Explanation:
When a spoonful of table salt (sodium chloride, NaCl) dissolves in a bowl of soup, a physical change occurs because, the chemical composition of the salt (sodium chloride) remains the same; it's just dispersed in the liquid. This change is known as dissolution or dissolving.
Here's what happens;
Physical Mixing: When you add the salt to the soup, the salt crystals mix with the liquid soup. The salt particles spread out and become evenly distributed throughout the soup.
Solute and Solvent: In this process, the salt is the solute, and the soup is the solvent. The solute is the substance being dissolved (salt), and the solvent is the substance that does the dissolving (soup).
Ion Formation: As the salt crystals dissolve, the sodium (Na+) and chloride (Cl-) ions that make up the salt separate from each other. The water molecules in the soup surround and interact with these ions, helping to pull them apart from the crystal structure.
Ionic Interaction: The charged ions from the salt interact with the polar molecules in the soup, particularly the water molecules. This interaction forms a solution, where the salt ions are evenly dispersed throughout the liquid.
Homogeneity: The resulting mixture appears uniform and homogeneous. You can't easily distinguish the salt from the soup, and the taste of the soup becomes salty due to the presence of dissolved salt ions.
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What mass of H2O is produced by the combustion of 1.00 mol of CH4?
CH4(g) + 202(g) → CO2(g) + 2H2O(e)
The mass of H2O is produced by the combustion of 1.00 mol of CH4 is 36.0 grams.
What do you mean by molar mass ?The term molar mass is defined as the mass of 1 mole of that particular substance and number of grams per mole of a compound.
The balance chemical equation is as follows:
CH4(g) + 202(g) → CO2(g) + 2H2O(e)
The mass of H2O = 36.0 g
Calculating the mass of H2O produced
mass of H2O = 1.00 mol CH4 × (2 mol H2O / 1 mol CH4) × (18.015 g H2O / 1 mol H2O)
mass H2O = 36.0 grams
Thus, The mass of H2O is produced by the combustion of 1.00 mol of CH4 is 36.0 grams.
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1) What is your Dawn Wall and how are you approaching it? What is the expected outcome? (Or, reflect on a 'Dawn Wall' in your past and discuss how you overcame it.)
2) Describe a few things that Kevin and Tommy had to overcome to realize their goal. (Or, describe what things had to be in order or exist for their goal to be realized.)
CFCs (or halocarbons) are ____ - _____ (range) times as powerful a GHG as CO2.
A) 1,000 - 15,000
B) 2,000 - 25,000
C) 5,000 - 65,000
D) 500 - 5,000
CFCs are 1000-15000 times powerful as compared to greenhouse gas such as CO2.
Chlorofluorocarbons are present in less amount or less abundant than carbon dioxide gas in the atmosphere but they are 10,000 times more powerful as a greenhouse gas.
These CFCS gases can remain in the atmosphere for more than 45 to 100 years. CFCS gases greatly damaged the ozone layer by reacting with it that leads to increase in the diseases such as skin cancer so we can conclude that CFCs are more powerful as compared to carbondioxide gas.
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Which of the following ions is formed when a base is dissolved in a solution?
H+
O−
OH−
SO42+
Answer:
The Answer is B.
Explanation:
I love your name and pfp its awesome!
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Part A
Enter an equation for the precipitation reaction that occurs (if any) when solutions of ammonium chloride and calcium nitrate are mixed.
Express your answer as a chemical equation. Identify all of the phases in your answer. Enter noreaction if no precipitate is formed.
ΑΣΦ
?
2NH, Cl(aq) + Ca(NO3)2 (aq) +CaCl, (s) + 2N, O(g) + 4H, O(g)
DA chemical reaction does not occur for this question
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The equation of reacting ammonium chloride with calcium nitrate will be: [tex]Ca(NO3)_2(s) + 2NH_4CI(s) --- > 2N_2O(g) + CaCl_2(s) + 4H_2O(g)[/tex]
What are chemical reactions?They are reactions involving chemical reactants.
Ammonium chloride, in solid form, will react with calcium nitrate, also in solid form to produce dinitrogen oxide gas, solid calcium chloride, and water vapor.
The equation of the reaction is represented as follows:
[tex]Ca(NO3)_2(s) + 2NH_4CI(s) --- > 2N_2O(g) + CaCl_2(s) + 4H_2O(g)[/tex]
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Help me join the name the muddled sentences
Answer:
did this help ?
Explanation:
He muddled his way through the opening verse and belted out the chorus, creating a schizophrenic performance.: The results included muddled avant-garde theatrical staging techniques and insensitive and maladroit portraits of African Americans .
How many moles of KBr are present in 180. mL of a 0.108 M solution?
Express the amount in moles to three significant digits.
by molality you can find the mole
What particles would you find in a nucleus of an atom
Answer:
The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks. The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus.
How are Fahrenheit temperatures converted to Celsius temperatures?
subtract 273 from the original number
multiply the number by 95 and then add 32
subtract 32 and then multiply that number by 59
add 273 to the original number
Answer:
subtract 32 and then multiply that number by 5/9
Explanation:
i took the test on k12
Answer:
multiply the number by 95 and then add 32
Explanation:
i took the test