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trapecia [35]
3 years ago
12

I need help plzzz help me!!!

Chemistry
1 answer:
Charra [1.4K]3 years ago
7 0
D.Nitrogen. Hydrogen. Ammon.
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Which phrase best describes electronegativity?(1 point)
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Gas can be compress easily than liquid or solid because, molecules are more spread in gas than solin or liquid.

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2 years ago
You have 47.0 mL of a 2.00 M concentrated or "stock" solution that must be diluted to 0.500 M. How much water should you add?
Inessa [10]

The required volume of water to make the dilute solution of 0.5 M is 188 mL.

<h3>How do we calculate the required volume?</h3>

Required volume of water to dilute the stock solution will be calculated by using the below equation as:

M₁V₁ = M₂V₂, where

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On putting values from the question to the above equation, we get

V₂ = (2)(47) / (0.5) = 188mL

Hence required volume of water is 188 mL.

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The oxygen used for preheating and the fuel gas are combined in the ____ chamber before burning.
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