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3 years ago

Gravitational force acts on two objects with which attribute? A. mass B. force C. orbit D. speed

Chemistry

2 answers:

Reptile [31]3 years ago

7 0

The answer is A. mass. I hope I could help. :)

Svetlanka [38]3 years ago

5 0

It is force I believe

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In the chemical laboratory, what does a mortar and pestle function as?. .

Eduardwww [97]

In a chemical laboratory, a mortar and pestle function is to decrease surface area of a solute. The correct answer is B.

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3 years ago

Read 2 more answers

Calculate the solubility of ( = ) in moles per liter. Ignore any acid–base properties. s = mol/L Calculate the solubility of ( =

BaLLatris [955]

This is an incomplete question, here is a complete question.

Calculate the solubility of each of the following compounds in moles per liter. Ignore any acid-base properties.

CaCO₃, Ksp = 8.7 × 10⁻⁹

Answer : The solubility of CaCO₃ is, $9.33\times 10^{-5}mol/L$

Explanation :

As we know that CaCO₃ dissociates to give $Ca^{2+}$ ion and $CO_3^{2-}$ ion.

The solubility equilibrium reaction will be:

$CaCO_3\rightleftharpoons Ca^{2+}+CO_3^{2-}$

The expression for solubility constant for this reaction will be,

$K_{sp}=[Ca^{2+}][CO_3^{2-}]$

Let solubility of CaCO₃ be, 's'

$K_{sp}=(s)\times (s)$

$K_{sp}=s^2$

$8.7\times 10^{-9}=s^2$

$s=9.33\times 10^{-5}mol/L$

Therefore, the solubility of CaCO₃ is, $9.33\times 10^{-5}mol/L$

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2 years ago

Why steam distillation is usefull for thermally un stable compounds

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The advantage of steam distillation over simple distillation is that the lower boiling point reduces decomposition of temperature -sensitive compounds.

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3 years ago

What food is made up of gelatin and why does it have protein in it?

Radda [10]

Answer:

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Explanation:

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2 years ago

POSSIB

siniylev [52]

Answer:

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Explanation:

480 cal / ( 150 g * .033 cal/g-C ) = 96.99 C

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1 year ago