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ipn [44]
3 years ago
7

Which statement best explains the net transfer of energy that is about to

Chemistry
2 answers:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

Explanation:

B I got it right

Fittoniya [83]3 years ago
4 0

Answer:

B. The ball will gain kinetic energy, and the racket will lose kinetic

energy

Explanation:

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What is the molarity of a solution prepared by dissolving 10.0 grams of NaOH in enough water to make a solution with a total vol
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Solution :

Molecular mass of NaOH is 23 g/mol .

So, number of moles of NaOH is given by :

n = \dfrac{10}{40}\ mole

Now, we know molarity is given by :

Molarity = \dfrac{Number \ of \  moles\ of \ salute}{Volume ( in \  Liter ) }

M = \dfrac{10}{40\times 2.4} \  M\\\\M = 0.104 \ M

Hence, this is the required solution.

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3 years ago
What is the molecular formula of a molecule that has an empirical formula of CH and a molecular mass of 78.11 g
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Explanation: Molecular Formula is the molecular mass divided by the empirical formula mass of CH which is C 12and H is 1 so 12 + 1= 13 g CH

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jeka94

<em>"Sedimentary rocks are formed by the pressure over millions of years of organic material, inorganic material, sediment of course , and earth piling up over itself. Metamorphic rock and igneous rock originate either below the surface where plants lived and creatures roamed, or the heat from volcanic activity transformed everything. Sedimentary rock formation is the only geologic activity that permits and allows organic material preservation and hence fossil formation." </em>- <u>Charles Snider, Co-Founder of American Geode (on Quora.com)</u>

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