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zvonat [6]
3 years ago
8

ESTION ONE (30 MARKS)

Chemistry
1 answer:
loris [4]3 years ago
6 0

Answer:

Explanation:

Adiabatic and isothermal system - an adiabatic process, in which no heat flows into or out of the gas because its container is well insulated, Q = 0. If there is also no work done, i.e. a free expansion, there is no change in internal energy. For an ideal gas, this means that the process is also isothermal.

Homogeneous and heterogeneous solution -  homogeneous mixture consists of a single phase. A heterogeneous mixture consists of two or more phases. When oil and water are combined, they do not mix evenly, but instead form two separate layers.

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Explanation:

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3 years ago
If 3.85 mL of 10.0 M NaOH is used for a reaction, calculate the number of moles of NaOH that were used.
Lena [83]

The number of mole of NaOH that was used, given that 3.85 mL of 10.0 M NaOH is used in the reaction is 0.0385 mole

<h3>How do I determine the number of mole of NaOH?</h3>

We know that molarity is related to number of mole and volume according to the following formula:

Molarity = number of mole / Volume

With the above formula, we can determine the number of mole of NaOH. Details below

The following data were obtained from the question:

  • Volume = 3.85 mL = 3.85 / 1000 = 0.00385 L
  • Molarity = 10.0 M
  • Number of mole of NaOH =?

Molarity = number of mole / Volume

Cross multiply

Number of mole = molarity × volume

Number of mole of NaOH = 10 × 0.00385

Number of mole of NaOH = 0.0385 mole

Thus, the number of mole of NaOH is 0.0385 mole

Learn more about number of mole:

brainly.com/question/20522500

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How many moles of H2SO4 are needed to prepare 200 mL of a 1.0 M solution?
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