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2 years ago

Ricardo finds an online site about the gas laws. The site shows the equation below for Charles’s law.

2 answers:

4 0

Answer:The symbol for T2 should be smaller than for T1 because if volume increases, then temperature should decrease.

Explanation:

solong [7]2 years ago

3 0

Answer:

D, The volume should be divided by temperature on each side of the equation.

Explanation:

I just finished it, can confirm.

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I need this very fast so please answer this first! I will mark you as the Brainiest and put my max points so please hurry!!!

Korolek [52]

Answer:

Answer C

Explanation:

Heat is used to turn the solid ice into liquid water

3 0

2 years ago

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Automobile bodies contain significant amounts of iron. The iron is protected by the addition of zinc. This is called galvanizati

Oksana_A [137]

Answer: The balanced chemical equation is written below.

Explanation:

Galvanization is defined as the process in which a protective layer of zinc is applied to iron or steel to prevent the metal from rusting.

Zinc prevents the oxidation of iron and acts as a reducing agent in the process.

The half reaction for the process follows:

Oxidation half reaction: $Zn\rightarrow Zn^{2+}+2e^-$

Reduction half reaction: $Fe^{2+}+2e^-\rightarrow Fe$

Net chemical equation: $Zn+Fe^{2+}\rightarrow Zn^{2+}+Fe$

Hence, the balanced chemical equation is written above.

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2 years ago

What is quantitative and qualitative

jenyasd209 [6]

Quantitative is a description in numbers , and qualitative is a description with words

8 0

2 years ago

Is dissolving salt a chemical change or physical change and why?

Firlakuza [10]

It's a physical change because the composition of the salt hasn't change. Only the change in substance/form has occured. To tell if something has undergone physical change is:

• Melting

• Boiling

• Freezing

• Condensing

• Breaking

• Bending

• Dissolving

• Molecules can change motion and proximity

To tell if something changed chemically:

• Molecules rearrange with other molecules to make new substance

• Can be production of flames

• Color change

• Bubbling/fizzing

• Temp. change

• change in composition

4 0

2 years ago

In a combustion reaction, one of the reactants is _____.

zepelin [54]

The answer is oxygen

3 0

2 years ago

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