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NISA [10]
3 years ago
13

Changing a solid to a liquid to a gas is changing the matter. * Your answer

Chemistry
2 answers:
sukhopar [10]3 years ago
6 0

Answer:

i could help you can you explain more plzzzzzz i really need points

Explanation:

Pachacha [2.7K]3 years ago
6 0

Answer:

It is changing the state of matter.

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A type of potential energy that is associated with objects that can be stretched or compressed is called ??
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*<br> Gravity affects the mass of a brick.<br> True<br> False
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Describe the difference between heat and temperature in terms of kinetic energy
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3 years ago
Consider the aldol condensation between dibenzyl ketone and benzil in strong base. Calculate the molar masses of the reactants a
Sati [7]

Answer:

a) 210.3 g/mol

b) 210.2 g/mol

c) 384.5 g/mol

Explanation:

First step we will calculate the molar masses of ; carbon atom, hydrogen atom and  oxygen atom in each .

<u> Molar mass of dibenzyl ketone</u>

Molar mass of dibenzyl ketone = ∑ molar masses of atoms in dibenzyl ketone

= carbon( 15 ) = 15 ( 12.0107 ) + oxygen ( 14 ) = 1 ( 15.999 ) + hydrogen(14) =14(1.00784)

= 210.26926 ≈ 210.3 g/mol

<u>  Molar mass of benzil</u>

Molar mass of Benzil =  ∑ molar masses of atoms in  Benzil

= carbon( 14) = 14(12.0107) + oxygen(2) = 2 ( 15.999) +  hydrogen(10) =10(1.00784)

= 210.2262 ≈ 210.2 g/mol

<u>Molar mass of 2,3,4,5-tetraphenylcyclopentadienone</u>

Molar mass  = ∑ molar masses of atoms

= carbon ( 29) = 29(12.0107) + oxygen (1) = 1( 15.999 ) + hydrogen(20) = 20(1.00784 )

≈ 384.5 g/mol

6 0
3 years ago
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