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EleoNora [17]
3 years ago
9

A reaction gives off 35.6 kJ how many calories is this?

Chemistry
1 answer:
tia_tia [17]3 years ago
7 0
8.509 kilocalories I think
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What is wrong with the following explanation of an experiment? When it was heated, the sample of carbon decomposed.
Drupady [299]
"Carbon" is an element. It is found in the fourth group of the periodic table, and it is a stable element. This means that it can not be decomposed via heating, because if an element were to break down, it would release its subatomic particles. The explanation was probably one used to describe the thermal decomposition of a compound into smaller compounds.
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3 years ago
2 Points
konstantin123 [22]

Answer:

A, a reactant.

6 0
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An object has a mass of 5.52 g and a volume of 12 mL. What is the density of the object?
Rudik [331]

Answer:

<h2>Density = 0.46 g/mL</h2>

Explanation:

Density of a substance can be found by using the formula

<h3>Density =  \frac{mass}{volume}</h3>

From the question

mass = 5.52 g

volume = 12 mL

Substitute the values into the above formula and solve for the Density

That's

<h3>Density =  \frac{5.52}{12}</h3>

We have the final answer as

<h3>Density = 0.46 g/mL</h3>

Hope this helps you

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3 years ago
The temperature of a substance _______ as its heat of fusion is added to melt the substance. A. increases B. remains constant C.
Alexeev081 [22]
The answer would be B. remains constant.
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Which of the following would be an example of an amorphous solid?
sveticcg [70]

I think B. because of this picture??

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