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Anuta_ua [19.1K]
2 years ago
13

Which statement best defines specific heat?

Chemistry
1 answer:
PolarNik [594]2 years ago
8 0

Answer:

D. The amount of heat required to increase the temperature of 1 g of a substance by 1 °C.

Explanation:

Specific heat is defined as the amount of heat needed to raise a unit of mass of a compound by one degree on the temperature scale.

The gram is constituted as a unit of mass, and the degree Celsius as a unit of temperature, therefore, the specific heat can be defined as the amount of heat required to increase the temperature of 1 g of a substance by 1 °C.

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The energy that a log has is transformed when burned. How does the chemical energy of the log compare to the heat and light ener
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The amount of chemical energy is equal to the amount of heat and light energy.

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Ca(OH)2 + 2 H2SO4 → CaSO4 + 2 H2O
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Answer:

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Calcium Hydroxide + Sulfuric Acid = Calcium Sulfate + Water

Explanation:

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2 years ago
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1. What is the International System of Units and its abbreviation?
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Answer:

SI

modern form of the metric system

Explanation:

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2 years ago
A gaseous mixture of 10.0 volumes of CO₂, 1.00 volume of unreacted O₂, and 50.0 volumes of unreacted N₂ leaves an engineat 4.0 a
ycow [4]

The masses of CO and CO2​ are 90.55g and 100−90.55=9.45 g respectively.

<h3>Total mass.</h3>

Let the mixture has 100g as total mass.

The number of moles of CO is 2890.55​=3.234.

The number of moles of CO2​ is 449.45​=0.215.

The mole fraction of CO is 3.234+0.2153.234​=0.938.

The mole fraction of CO2​ is 1−0.938=0.062.

The partial pressure of CO is the product of the mole fraction of CO and the total pressure.

It is 0.938×1=0.938 atm.

The partial pressure of carbon dioxide is 0.062×1=0.042 atm.

The expression for the equilibrium constant is:

Kp​=PCO2​​PCO2​​=0.062(0.938)2​=14.19

Δng​=2−1=1

Kc​=Kp​(RT)−Δn=14.19×(0.0821×1127)−1=0.153.

To learn more about equilibrium constant visit the link

brainly.com/question/15118952

#SPJ4

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1 year ago
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