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ale4655 [162]
2 years ago
12

How much heat is absorbed if a 30.0 gram sample of carbon is heated from 10.5 degrees Celsius to 22.2 degrees celsius

Chemistry
1 answer:
Vadim26 [7]2 years ago
3 0

Answer:

A lot of heat

Explanation:

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Answer:

3.2447

Explanation:

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2 years ago
Salt water is best described as _______.
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Salt water is, A. a mixture

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3 years ago
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How many moles of water are produced from 15 moles of oxygen?
Grace [21]

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30 moles

Explanation:

Water is H2O, meaning there is 2 Hydrogen atoms and 1 Oxygen atom. Oxygen is O2, because it is a diatomic molecule. (Hydrogen is also a diatomic molecule, so H2)

The equation, balanced, would have to be: 2H2 + O2 -----> 2H2O

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3 years ago
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Drupady [299]

What amount of heat absorbs 50 g of steel (ce = 0.115 cal / g. ° C) that

does its temperature vary by 25 ° C?

Answer:

143.75cal

Explanation:

Given parameters:

Mass of steel  = 50g

Specific heat capacity of the steel  = 0.115cal/g°C

Temperature  = 25°C

Unknown:

Amount of heat = ?

Solution:

The amount of heat to cause this temperature change is dependent on mass and specific heat capacity of the substance.

  Amount of heat  = m C (ΔT)

m is the mass

c is the specific heat capacity

ΔT is the temperature change

 Now insert the parameters and solve;

  Amount of heat  = 50 x 0.115 x 25

  Amount of heat  = 143.75cal

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2 years ago
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