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3 years ago

How do you write the hypotheses for a significance test?

Advanced Placement (AP)

1 answer:

AVprozaik [17]3 years ago

3 0

All you have to do is rewrite you idea in your hypothesis.

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2 years ago

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4 years ago

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3 years ago

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Question 10 Multiple Choice Worth 2 points)

KatRina [158]

Answer: The specific heat of this compound is

a) It is higher than the specific heat of water.

Explanation:

Specific heat is the amount of heat needed by a substance of one gram to raise it's temperature by 1°C.

This specific heat is impacted by the strength of hydrogen bonding in any substance.

Hydrogen has the highest specific heat.

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4 years ago

The number of carbon atoms in 9.30x10^-3 moles of Na2CO3

spayn [35]

Answer: $56\times 10^{20}\ \text{atoms}$

Explanation:

Given

No. of moles of $Na_{2}CO_{3}$ is $9.30\times 10^{-3}$

So, for $9.30\times 10^{-3}$ moles of $Na_{2}CO_{3}$

There are $9.30\times 10^{-3}\times 6.022\times 10^{23}\ \text{molecules of}\ Na_{2}CO_{3}=56\times 10^{20}\ \text{molecules}$

1 molecule of $Na_{2}CO_{3}$ contains 1 atom of carbon

i.e. there are $56\times 10^{20}\ \text{atoms of C}$

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3 years ago