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MAXImum [283]
3 years ago
9

16. The Nile River is a(n) 16. a. Old river b. Mature river C. Young river

Chemistry
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

I think it's a old river

Explanation:

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A 15.75 g piece of iron absorbs 1097 joules of heat energy, and its temperature changes from 25°C to 177°C. Calculate the specif
vekshin1

The answer for the following problem is mentioned below.

Explanation:

Given:

mass of iron (m) = 15.75 grams

heat (q) = 1097 J

initial temperature (t_{1}) = 25°C

final temperature (t_{2}) = 177°C

To find:

specific heat (c)

We know;

 c = q ÷ mΔT

where;

c represents the specific heat

q represents the heat

m represents the mass

t represents the temperature

c = \frac{1097}{15.75 * (177-25)}

c = 0.45 J/kg°C

<u><em>Therefore the specific heat capacity of iron is 0.45 J/kg°C.</em></u>

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What two elements are the least abundant by volume in the crust
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At a molecular level describe the differences between a hot object and a cold object​
Inessa [10]

Answer:

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The hot object are those which have high energy atoms that moves with a very fast energy whereas the cold object are those which have low energy atoms and moves with low speed.

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