3 years ago

What are the independent and dependent variables in each of the experiments?

1 answer:

7 0

Independent variable is the thing that you change in the experiment (ex:temperature) and the dependent variable is the thing that you measure depending on the thing you change (ex:volume of oxygen produced)

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Pls help

bezimeni [28]

Answer:

Particle Symbol Mass

electron e- 0.0005486 amu

proton p+ 1.007276 amu

neutron no 1.008665

8 0

3 years ago

Which of the following is NOT a pure substance?

Leviafan [203]

You need to have more information, please list the
"following".

Thanks

7 0

3 years ago

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1- Science that deals with the identification and quantification of the components of material systems

Elis [28]

Answer:

Analytical science

Explanation:

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3 years ago

the formula of calcium oxide is CaO. What is the formula of the ionic compound containing calium abd sulfate ions

sineoko [7]

Answer:

$CaS$

Explanation:

Hello!

In this case, since calcium's oxidation state when forming ionic bonds is +2 and sulfur's oxidation state when bonding those bonds is -2, for the required formula we write:

$Ca^{2+}S^{2-}$

Now, since they have the same charge number, we infer the ionic compound formed when they bond is calcium sulfide:

$CaS$

Best regards!

5 0

3 years ago

The temperature of a 500. ml sample of gas increases from 150. k to 350. k. what is the final volume of the sample of gas, if th

Andreas93 [3]

<span>Answer: 1170 ml is the final volume of the sample of gas, if the pressure and moles in the container is kept constant.</span>

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3 years ago

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