Answer:
3.01×10²⁴ atoms
Explanation:
Our compound is the Na₃PO₄
Sodium phosphate.
We assume, we have 5 moles of the mentioned salt.
1 mol of anything contains 6.02×10²³ atoms.
That's the Avogadro's number. The conversion is:
5 mol . 6.02×10²³ atoms /1mol = 3.01×10²⁴ atoms
Is a mole equal to 1 molecules?
No, one molecule does not make up a mole. In chemistry, the terms "mole" and "molecule" are used interchangeably.
The word "mole" is used to describe a quantity that cannot be expressed in terms of grams or milligrams. A mole thus counts the quantity of atoms, ions, or molecules.
A molecule is a type of chemical that develops when multiple atoms are combined by chemical bonding. Electrical charge does not exist in molecules. A molecule's constituent atoms may come from the same element or from separate elements. Varying molecules have different ratios between these atoms. Molecules are a unit of measurement for the quantity of molecules in a system.
The primary distinction between a mole and a molecule is that a mole is a unit of measurement for amount whereas a molecule is an atomized chemical species.
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What particle limitation to the widespread of this reusable water bottles? Pls help someone
Answer: Plastic water bottles
Explanation:
If you use disposable water bottles, here are some important concerns you should know about how they’re made as well as the problems they cause for the planet, your health, and your wallet.
are bath bombs covalent or ionic bonds?
True or false chemical potential energy is energy stored in a substance because of its composition 
Answer: yes
Explanation:
Chemical potential energy is energy stored in a substance because of its composition.
Answer:
True
Explanation:
Chemical Potential Energy Energy is the capacity for doing work or supplying heat. When you fill your car with gasoline, you are providing it with potential energy. Chemical potential energy is the energy stored in the chemical bonds of a substance.
Entropy and the inefficiency of energy transfer are part of __________________. the first law of thermodynamics the second law of thermodynamics the third law of thermodynamics system resiliency feedback systems
Entropy and the inefficiency of energy transfer are part of the Second Law of Thermodynamics.
The first law of thermodynamics states that neither creation nor destruction of energy is possible. The universe becomes more entropic when a spontaneous process occurs, according to the second law of thermodynamics. Thermodynamics' third law: The entropy of a perfect crystal is 0 at absolute zero Kelvin. The overall entropy of a system may only ever increase or stay constant during spontaneous processes, according to the second law of thermodynamics. If the physical process is irreversible, the overall entropy of the system and its surroundings must increase. For a process to be irreversible, the final entropy needs to be higher than the starting entropy: Sf > Si (irreversible process). The overall entropy of a system and its surroundings can remain constant when a system is in thermodynamic equilibrium or undergoing a reversible process. The second law is sometimes known as the Law of Increased Entropy.
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does vinegar conduct? yes or no
Write a introduction base on the topic reproduction, male an female reproduction system
The ma le repr0 ductive system includes made up of internal organs such as the prostate gland, vas deferens, as well as ure thra as well as external geni talia like the pe nis, tes tes, as well as scrot um.
The health of something like the male reproductive system and the hormo nes secreted by the brain determine a man's fertility as well as sexual characteristics.
The human reproductive system would be the organ system primarily charged of creating and fertilizing gametes (eggs but rather sperm) as well as carrying a fetus. The gonads of both se xes create gametes.
The ov aries, fallopian tubes, uterus, cervix, as well as vagina are all parts of the female repro ductive system. It comprises the pe nis, prostate, as well as tes tes in men.
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Compare a nuclear reaction, such as uranium’s alpha particle emission, with a nonnuclear reaction, such as the reaction of sodium with chlorine. What’s the fundamental difference between these two types of reactions?
Be sure to discuss electrons vs nuclear changes and fundamental differences.
A nuclear reaction like α decay takes place in the nucleus of an atom.An element becomes a different element. A chemical reaction like the formation of NaCl involves rearranging the electrons, which are outside the nucleus. The elements are not change. Salt is consists of sodium and chlorine.
What is nuclear reaction ?The splitting of the uranium-235 nucleus when it is blasted with neutrons is a crucial illustration of nuclear fission. This nuclear reaction can result in a number of different compounds.
Nuclear vs Chemical reactions
1. Alpha decay
U₉₂²³⁸ ⇒ He₂⁴ + Th₉₀²³⁴
A nuclear reaction like α decay takes place in the nucleus of an atom.
An element becomes a different element.
2. Chemical reaction
Na· + ·Cl ⟶ Na⁺ + Cl⁻
A chemical reaction like the formation of NaCl involves rearranging the electrons, which are outside the nucleus.
The elements are not change. Salt is consists of sodium and chlorine.
Thus, A nuclear reaction like α decay takes place in the nucleus of an atom.
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What is true about the nature of light?
Select all that apply.
Light behaves as a wave, which is shown when it is passes through slits and produces a diffraction pattern.
Light can be reflected in different colors seen by the human eye.
Light is composed of small lines of color called photons.
Light behaves as a particle, which is shown when it is shines on a metal and produces current.
Name one situation in which gravi- tational potential energy might be useful, and name one situation in which it might be dangerous.
Enzyme ______ bind to an enzyme to turn it off, thus preventing it from catalyzing a reaction. Multiple choice question
Enzyme Inhibitors bind to an enzyme to turn it off, thus preventing it from catalyzing a reaction.
An enzyme is a biological molecule that catalyzes chemical reactions in the cell. Enzymes work by lowering the activation energy required for a reaction to occur, making it more likely that the reaction will proceed. However, enzymes can also be inhibited, which means that their activity is reduced or stopped completely. This can happen for a variety of reasons, such as the presence of a specific molecule called an inhibitor.
Some inhibitors bind to the active site of the enzyme, preventing the substrate from binding and thus preventing the reaction from occurring. Other inhibitors bind to other parts of the enzyme, causing a conformational change that prevents the enzyme from working. Still, other inhibitors bind to enzymes and alter their activity by non-covalent interactions.
There are different types of inhibitors like competitive inhibitors bind to the active site of an enzyme and prevent substrate binding. Non-competitive inhibitors bind to a different site on the enzyme, causing a conformational change that makes the enzyme less active. Feedback inhibitors bind to the end product of a metabolic pathway, inhibiting the enzyme that catalyzes the first step of the pathway.
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Iron objects such as storage tanks and underground pipelines can be protected from corrosion by connecting them through a wire to a piece of : Ag
Pb
Sn
Mg
Cu
Iron objects such as storage tanks and underground pipelines can be protected from corrosion by connecting them through a wire to a piece of Mg.
General corrosion happens when the majority or even all atoms on such a metal surface become oxidized, causing the surface to corrode completely. The majority of metals were easily oxidised, which means they frequently lose oxygen electrons (among other elements) in the air either in water. Oxygen joins with the metal to produce an oxide as it becomes reduced (gains electrons).
A refined metal usually transformed naturally by corrosion into a safer stable chemical form, including its oxide, hydroxide, and sulphide. By reacting chemically and/or electrochemically with their surroundings, materials slowly degrade. Additionally, it gradually eliminates the element using chemical processes.
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What volume will 25.0g ammonia occupy at stp
Answer:
The volume of 25 g O2 at STP is ~18 L.
Explanation:
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What volume of a 0.120 M CaI2 solution would contain 0.078 mol of the solute? A. 35.0 mL O B. 65.0 mL O C. 350 mL O D. 650 mL
650 mL,In order to obtain the volume of solution necessary to provide a given amount of solute in moles, one needs to take the number of moles and divide by the solution concentration in molarity.
Molar concentration, also known as molarity, quantity concentration, or substance concentration, is a unit used to describe the amount of a substance in a solution expressed as a percentage of its volume. The number of moles per liter, denoted by the unit sign mol/L or mol/dm in SI units, is the most often used unit denoting molarity in chemistry. One mol/L of a solution's concentration is referred to as one molar, or 1 M.
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How are the boiling point and freezing point of a solvent affected when a solute is added?
O Both the boiling point and the freezing point decrease.
O Both the boiling point and the freezing point increase.
O The boiling point increases, and the freezing point decreases.
O The boiling point decreases, and the freezing point increases.
Answer:
the boiling point increases and the freezing point decreases.
Please help, I have tried everything that I can think of
Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, theoretical yield of Al[tex]_2[/tex]O[tex]_3[/tex] is 136g.
What is mole?The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number. The stoichiometry represents the number of moles.
4AI + 3O[tex]_2[/tex]→ 2Al[tex]_2[/tex]O[tex]_3[/tex]
moles of Al =54/26=2.07
moles of O[tex]_2[/tex]=64/32=2
Since oxygen is limiting reagent, so product will be according to oxygen
Theoretical yield of Al[tex]_2[/tex]O[tex]_3[/tex]=136g
Therefore, theoretical yield of Al[tex]_2[/tex]O[tex]_3[/tex] is 136g.
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Does reactivity increase or decrease from left to right among elements in a period?
Period. As you move from either the left to the right, reactivity rises. Group reactivity diminishes from top to bottom.
As you move from left toward right across a period, responsiveness declines. Higher reactivity is caused by the ease with which electrons can be given or snatched away as you move further to the left as well as along the periodic chart.
This is because the size of both the atomic radius expands as the quantity of electronic energy does. reducing the attractiveness of other elements' valence electrons lowers reactivity.
It happens because there are more valence shells and less interaction among valence pairs of electrons. Consequently, the propensity to take electrons from some of the other atoms declines. Atoms get more electronegative as they move through a period.
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Consider the unbalanced equation for the oxidation of butene. C4H8 + 6O2 Right arrow. CO2 + H2O For each molecule of C4H8 that reacts, how many molecules of carbon dioxide and water are produced?
Answer:
4 molecules of carbon dioxide (CO₂) and 4 molecules of water (H₂O)
Explanation:
The unbalanced chemical equation is:
C₄H₈ + 6 O₂ → CO₂ + H₂O
To balance the equation, we have to write a coefficient of 4 for CO₂ and a coefficient of 4 for H₂O, as follows:
C₄H₈ + 6 O₂ → 4 CO₂ + 4 H₂O
Now, we can see that 4 molecules of carbon dioxide (CO₂) and 4 molecules of water (H₂O) are produced for each molecule of C₄H₈.
What is the relationship between CO2 levels and sea levels?
The relationship between the CO₂ and the sea levels is the carbon dioxide is higher about 10 % at deep ocean than the surface.
This warms world due to the greenhouse gases that included the carbon dioxide , the water heat up and it expands due to which the sea level rises. if we remove the extra heat from the ocean that caused by the short lived gases , it lowers the sea levels and this process is very slow.
The carbon dioxide that dissolves in the ocean will cause the sea water to be acidify. this will harmful for the shellfish and the corals.
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Step 4: measure the mass of the book
The book will serve as a flat surface on which you later place additional weights. It has its own mask but you need to measure.
Zero the balance. Place the book on the balance.
Measure the mass of the nearest gram (1g)
498 g
In this experiment, you will measure all masses in kilograms. Convert the books mass to kilograms
0. 498 kg
The weight of the book in kilograms is 0.498Kg.
A body's bulk is an innate characteristic. It was widely believed to be related to the volume of matter in a physical body prior to the discovery of the atom and particle physics.
You can work on a level surface provided by the book.
will eventually add more weights. It is distinctive in its own way. The mass must be measured.
the account balance to 0 the scale with the book on it. Weigh the object down to the nearest gram (1 g). 498g In this experiment, all masses will be measured in kilograms. the books weigh 0.498 kg in kilograms.
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Give three examples of fuels and briefly describe what they are used for in daily life
Examples: natural gas, coal, petroleum
Uses: Fuels are dense repositories of energy that are consumed to provide energy services such as heating, transportation and electrical generation. Even though most fuels ultimately get their energy from the sun (see energy conservation) they are usually considered to be a primary energy source.
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Which of the following molecules are polar: Cl2, CO2, BF3, NO, SO2, XeF4
Group of answer choices
O NO, SO2 only
O Cl2, CO2 only
O NO, XeF4 only
O BF3, XeF4 only
Only the molecules of NO, SO2 are polar. These chemicals are referred to as polar solvents since they have both positive as well as ends.
What does the chemical term "polar" mean?a structure where the density of electrons is unevenly distributed. Nonpolar refers to a structure where the density of electrons is more or more uniformly distributed. Numerous physical, molecular, and ecological properties of molecules are influenced by polarity, which can take many different forms.
Why are bonds polar?A polar molecule bond is one in which there is an electrostatic potential difference in between atoms of between 0.5 and 2.0. A polar covalent link is a type of covalent bond with which the atoms are attracted to electrons in uneven amounts, resulting in looked.
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What is the name of most reactive non-metal element on the periodic table?
The name of most reactive non-metal element on the periodic table is fluorine
Fluorine is the nonmetal in the periodic table that is the most reactive.
On the Pauling scale, it has the highest electronegativity of any element (3.98). Fluorine is a highly reactive, diatomic gas that may mix with practically every other element to form compounds that have entirely different properties from either of the original components. The boiling point of fluorine is -188 °C (-310 °F).
Hydrofluoric acid and hydrogen fluoride gas are produced during the reaction with water: HF + H₂O ⇒H⁺ + HF + OH.
Chemical elements are shown on a periodic table in order of their atomic number. The classification of elements and their relationships to one another can be understood using the periodic table.
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Select the correct answer. which gas is the most abundant greenhouse gas?
a. ozone
b. chlorofluorocarbon
c. carbon dioxide
d. methane
e. water vapor
E) The most significant and prevalent greenhouse gas is water vapor. Ozone, carbon dioxide, methane, nitrous oxide, and other gases are also present.
Which major source of greenhouse gases is it?Over the past 150 years, almost all of the rise in atmospheric greenhouse gases has been caused by human activities. Burning fossil fuels for transportation, electricity, and heating is the primary human activity in the United States that contributes to the emission of greenhouse gases.
Which four greenhouse gases have the greatest impact?The greenhouse gases on Earth warm the planet by storing heat in the atmosphere. Carbon dioxide, methane, nitrous oxide, and water vapor—all of which are found naturally—as well as fluorinated gases—which are made—are the main gases that cause the greenhouse effect.
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Everyone!
Give a Question/Problem for Hot and Cold Compress Pillow
Thank you!!
Answer:
are u good at geometry math? their are some questions I didn't understand it PLEASE
How does glycolysis make 32 ATP?
Both anaerobic and aerobic conditions can result in glycolysis. Pyruvate joins the citric acid cycle under aerobic conditions and proceeds through oxidative phosphorylation, which results in the net synthesis of 32 ATP molecules.
What is an example of anaerobic activity?Anaerobic exercises require small bursts of energy and are finished rapidly while exerting maximum effort. Examples include jumping, jogging, and hard weightlifting. Your breathing and heart rate alter as you engage in aerobic vs anaerobic activities. During aerobic workouts, oxygen is your major source of energy.
What exactly does it mean to be anaerobic?Anaerobic means "without oxygen," whereas aerobic indicates the existence of oxygen. Both are important for your overall health since they put your body through different difficulties. Anaerobic exercise consists of short bursts of high-intensity activity that do not demand your body to consume oxygen as it would during cardio (or aerobic) exercise.
Here,
Glycolysis can occur under both anaerobic and aerobic settings. Under aerobic circumstances, pyruvate enters the citric acid cycle and goes through oxidative phosphorylation, resulting in the net production of 32 ATP molecules.
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Calculate the frequency of a photon with an energy of 4. 26 x10-19 J and a wavelength of 4. 67 x 10-7m.
[E= 6. 626 x 1034 x frequency C(3. 0 x 108 m/s) = wavelength x frequency]
The frequency of a photon with an energy of 4. 26 x10-19 J and a wavelength of 4. 67 x 10-7m. [E= 6. 626 x 1034 x frequency C(3. 0 x 108 m/s) = wavelength x frequency] is 28.22 × 10¹⁵hz.
So formula is :-
Energy of photon, E=hc/λ or λ=hc/E
E = hν = hc/λ,
Where, h=6.626×10−³⁴Js,c=3×10⁸
By putting all these values, we get:-
4.26× 10-¹⁹ = 6.626×10-³⁴ × ν
v = 4.26 × 6.626 × 10¹⁵
= 28.22 × 10¹⁵ hz
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yousab cycles at an average speed of 12 km/h. how far has he travelled if he cycles for 2 hours
Answer:
24 km
Explanation:
(12 km/hr)(2 hrs) = 24 km
6. Animals have many adaptations for survival. Describe each adaptation below, and explain how it could help an organism better survive in its environment.
a) camouflage
b) mimicry
c) venom
A solid-solid solution is called a(n)
Answer: Alloy
Explanation: