3 years ago

What is a description of compounds?

Physics

2 answers:

elena-14-01-66 [18.8K]3 years ago

8 0

Compounds are elements that are chemically combined, like water for example (it’s both hydrogen and oxygen.)

seraphim [82]3 years ago

4 0

Answer:

Hey!

Compounds are substances that compose of many identical molecules and composed of atoms from more than one element held together by chemical bonds.

Explanation:

For Example: SALT ( Sodium + Chlorine ⇒ SODIUM CHLORIDE

I HOPE THIS HELPED!

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To calibrate the calorimeter electrically, a constant voltage of 3.6 V is applied and a current of 2.6 A flows for a period of 3

iren [92.7K]

Answer:

$372.3 J/^{\circ}C$

Explanation:

First of all, we need to calculate the total energy supplied to the calorimeter.

We know that:

V = 3.6 V is the voltage applied

I = 2.6 A is the current

So, the power delivered is

$P=VI=(3.6)(2.6)=9.36 W$

Then, this power is delivered for a time of

t = 350 s

Therefore, the energy supplied is

$E=Pt=(9.36)(350)=3276 J$

Finally, the change in temperature of an object is related to the energy supplied by

$E=C\Delta T$

where in this problem:

E = 3276 J is the energy supplied

C is the heat capacity of the object

$\Delta T =29.1^{\circ}-20.3^{\circ}=8.8^{\circ}C$ is the change in temperature

Solving for C, we find:

$C=\frac{E}{\Delta T}=\frac{3276}{8.8}=372.3 J/^{\circ}C$

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3 years ago

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salantis [7]

Assumes the shape and volume of its container
<span>particles can move past one another</span>

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umka2103 [35]

Answer:

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Explanation:

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I'm pretty sure the answer is gold

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