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noname [10]
3 years ago
8

Whenever energy is ______ from one form to another, some of that energy is lost by being changed into heat.

Chemistry
1 answer:
schepotkina [342]3 years ago
5 0
Whenever energy is converted from one form to another, some of that energy is lost by being changed into heat.
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Endothermic energy is taking place. The sausage is being heated by the fire and absorbing the thermal energy. 
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5. How many moles are there in 222.3 grams of Ca(OH)2? (1) 1.5 mol (3) 5.5 mol (2) 3.0 mol (4) 22.3 mol 5​
tensa zangetsu [6.8K]

Answer: (2)3.0 mol

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1. How to elements differ from compounds?
REY [17]

Answer:

A compound contains atoms of different elements chemically combined together in a fixed ratio. An element is a pure chemical substance made of same type of atom. ... Elements contain only one type of atom.

Explanation:

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4 years ago
What is the best way to make sure an experiment is precise?
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Answer:

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3 0
3 years ago
Read 2 more answers
Given the following information:
Katyanochek1 [597]
Step by Step Explanation

From the question,
the dimensions of the tank are;

L = 30 cm, way =0.075m and H = 15 cm

The density of water is given as
D = 1g {cm}^{ - 3}

The unit of density given in the question means that the mass of the water is in grams and the volume should also be in
{cm}^{3}

To find the volume of the water, we first convert the units of dimensions given in inches and metres to centimetres

1 inch = 2.54 cm

This implies that ,

H=15 inches=15×2.54cm=38.1cm

Also,

100cm=1m

This implies that,
w= \frac{0.075}{100 } = 7.5 \times {10}^{ - 4} cm

Now, the volume of water in the tank can hold, can be found from the relation;

V=L\times W\times H

This implies that,

v = 30cm \times (7.5 \times {10}^{ - 4} )cm \times 38.1cm

v = 0.857 {cm}^{3} \: to \: 3 \: d.p

Finally, we can calculate the mass of the water from the relation given;

D=\frac{M}{V}

This in implies that

1g {cm}^{ - 3} = \frac{m}{0.857 {cm}^{3} }
m = 1g {cm}^{ - 3} \times 0.857 {cm}^{3}
m = 0.857g


Hence the fish tank can hold 0.857g water.
4 0
3 years ago
Read 2 more answers
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