4 years ago

Please help me ????????

1 answer:

4 0

The answer to this question is "True" Liquids can be mixed together and not for a solution are immiscible. Hope this helps you.

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3 years ago

The specific heat of aluminum is 0.90 J/gC . How much heat is given off when 25 grams of aluminum is cooled from 55 C to 25 C?

xxMikexx [17]

Answer:

Q = 675 [J]

Explanation:

We can calculate the amount of heat transfer by means of the following expression that includes the mass and temperature change in a body as a function of the specific heat.

$Q=m*C_{p}*(T_{initial}-T_{final})$

where:

m = mass = 25 [gr]

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Tinitial = 55 [°C]

Tfinal = 25 [°C]

$Q=25*0.9*(55-25)\\Q=675 [J]$

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3 years ago

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First step in using a balance beam scale?

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