Which is and element
A) Salad
B) Sugar
C) Water
D) Potassium

Answers

Answer 1

Answer:

Answer:

the only element above is potassium

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How many moles of oxygen react with hydrogen to produce 22.8 mol of H2O? The balanced equation is as follows: 2H2 + O2 → 2H2OHow many grams of CO2 are produced if 35.48 mol of HCl are reacted according to this balanced chemical equation? CaCO3 + 2HCl → CaCl2 + CO2 + H2O

Which describes the molecular behavior of a solid? I THINK IT'S A, BUT IM NOT SUREA. Molecules vibrate around a fixed point.
B. Molecules are too far apart to affect each other.
C. Molecules have the greatest energy of motion.
D. Molecules are rigid and do not move.

Answers

I also think it is A

Molecules in a solid should not be able to move. Otherwise it wouldn't be a solid! So the answer is D.

Hope this helps :) ~

Name the type of chemical reaction : CaO(s) + H2O(l) -----------Ca(OH)2(aq)

Answers

It is called Synthesis reaction

What is a living compound that contains hydrogen?

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Humans are a living compound that contains hydrogen

In your own words, explain what "the more mass a substance has, the greater the object's thermal energy" means.

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A larger object has more particles, thus causing greater thermal energy.

Answer:

the more heat the more particle movement i dont think mass has any thing to do with it

Explanation:

Tornados and hurricanes develop over

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High pressure systems

Find out the application of all the inert gases prepare a chart

Answers

Inert gases are group 18 elements. They have there valance shell completely filled, hence they donot undergo chemical reactions under normal conditions.

Following are the list of inert gases, along with their application:

Helium:Used as component of breathing gases due to its poor solubility in fluids or lipids. Helium is used in low temperature cryogenics.

Neon: Neon finds widespread applications in daily life such as lights, fog lights, TV cine-scopes, lasers, luminous warnings etc.

Argon: Argon is used in electrical components to provide a protective heat transfer medium for semiconductors. Argon is also capable to fill fluorescent and incandescent light bulbs. It assist in providing blue light.

Krypton: Krypton are usually mixed with a halogen to produce excimer lasers

Xenon: It is possible to generate X-rays from Xe. When Xe mixed with oxygen, it has to capability to enhance the contrast in CT imaging.

Radon: Radon is a radioactive element, which is used for radiotherapy and relief from arthritis.

Noble gases/inert gases are used in various fields including lamp fillers, metal welding or coolers

Further explanation

Noble gas (group 8A in the periodic system the element) is an element that is not reactive (stable)/inert

Its stability is caused by:

1. ns² np⁶ electron configuration (except He: 1s2), electrons in the subshell are already paired, making it difficult to form bonds with other elements