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aev [14]
3 years ago
8

The amount of heat energy required to raise the temperature of a unit mass of a material one degree is its heat capacity.

Chemistry
1 answer:
netineya [11]3 years ago
7 0

Answer:

4.184 Joules

Explanation:

It is also one calorie but the SI unit is Joules.

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During the Physical changes
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3 years ago
"What quantitative measurement and qualitative observations can be made about the interactions of matter and energy?" can someon
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Quantitative measurements are numerical values, they involve amounts and units like measuring things. Qualitative observations appeal to the five senses, like what does the interaction look and sound like

5 0
3 years ago
Find the percentage composition of a compound that contains 1.94 g of carbon, 0.48 g of hydrogen, and 2.58 g of sulfur.
Svetradugi [14.3K]

Answer : The percentage composition of carbon, hydrogen and sulfur in a compound is, 38.8 %, 9.6 % and 51.6 % respectively.

Explanation :

To calculate the percentage composition of element in sample, we use the equation:

\%\text{ composition of element}=\frac{\text{Mass of element}}{\text{Mass of sample}}\times 100

Given:

Mass of carbon = 1.94 g

Mass of hydrogen = 0.48 g

Mass of sulfur = 2.58 g

First we have to calculate the mass of sample.

Mass of sample = Mass of carbon + Mass of hydrogen + Mass of sulfur

Mass of sample = 1.94 + 0.48 + 2.58 = 5.0 g

Now we have to calculate the percentage composition of a compound.

\%\text{ composition of carbon}=\frac{1.94g}{5.0g}\times 100=38.8\%

\%\text{ composition of hydrogen}=\frac{0.48g}{5.0g}\times 100=9.6\%

\%\text{ composition of sulfur}=\frac{2.58g}{5.0g}\times 100=51.6\%

Hence, the percentage composition of carbon, hydrogen and sulfur in a compound is, 38.8 %, 9.6 % and 51.6 % respectively.

3 0
3 years ago
Rubidium will react with oxygen in which of the following formulas?
dusya [7]

Answer:

C-Rb20

Explanation:

The chemical formula for Rubidium oxide is Rb20.

Hope this helps!

4 0
3 years ago
When the pH test is done with a yellow litmus paper, it turns blue. This color change indicates that the solution is___
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Answer:

A basic solution such as hydroxyls

8 0
3 years ago
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