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MAXImum [283]
3 years ago
14

How many moles of solute are contained in 200 milliliters of a 1 M solution?

Chemistry
1 answer:
lorasvet [3.4K]3 years ago
5 0
The answer is (2) 0.2. The unit of M means 1 mol/L. The conversion of liter and milliliter is 1 liter equals 1000 milliliters. So the molar number of solute is 1*0.2=0.2 mol.
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sashaice [31]

Answer:

B

Explanation:

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7 0
2 years ago
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Carlos has a 1.2 meter long piece of wood. He wants to cut it into 3 equal lengths. How long should each piece be in millimeters
zhenek [66]
There are 1,000 mm in a meter so times 1.2 by 1,000 and you get 1,200.
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6 0
2 years ago
Refrigerator technology now makes it possible to grow and then store food for the winter, as well as ship large amounts of food
Alecsey [184]

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5 0
2 years ago
Use bond enthalpy values to calculate the enthalpy change for the following reaction. Then, label if the reaction is endothermic
Mila [183]

Based on the bond energies given, the enthalpy change for the reaction of is -33 kJ and the reaction is exothermic.

<h3>What is the change in bond energy of a reaction?</h3>

The change in bond energy of a reaction is calculated using the formula below:

  • change in bond energy = sum of energies of bonds broken - sum of energies of bonds formed

A reaction is exothermic if the change in bond energy is negative.

A reaction is endothermic if the change in bond energy is positive.

Given the bond enery values above:

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sum of energies of bonds formed = 3 × C-H + C-Br + H-Br

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Thus;

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Therefore, the enthalpy change for the reaction of is -33 kJ and the reaction is exothermic.

Learn more about enthalpy change at: brainly.com/question/11628413

7 0
2 years ago
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BartSMP [9]

Answer:

D.A high temperature will make it spontaneous.

Explanation:

we know that

Δ G = Δ H - TΔS

For spontaneous reaction

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Δ H =  TΔS

T =   Δ H / Δ S

At temperature above this T , Δ G becomes negative if Δ S and ΔH are  positive .

So at a  high temperature will make it spontaneous.

5 0
3 years ago
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