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saveliy_v [14]
3 years ago
15

How many joules of energy are needed to warm 5.00 g of silver from 25.0°C to 27.5°C? (The specific heat of silver is 0.24 J/g°C.

)
Chemistry
1 answer:
vichka [17]3 years ago
5 0

Answer:

3J

Explanation:

The following were obtained from the question:

M = 5g

T1 = 25.0°C

T2 = 27.5°C

C = 0.24 J/g°C

Q=?

Using the following equation Q = MCΔT to solve for the energy need, we have:

Q = MCΔT

Q = 5 x 0.24 x (27.5 — 25)

Q = 5 x 0.24 x 2.5

Q = 3J

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Answer:

<h3>The answer is 1.84 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{65.14}{35.4}  \\  = 1.840112994...

We have the final answer as

<h3>1.84 g/mL</h3>

Hope this helps you

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