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Goryan [66]
3 years ago
15

Did changing the concentration of the solid effect the change in temperature of the reaction?

Chemistry
2 answers:
wolverine [178]3 years ago
7 0
I’m pretty sure it’s true
Debora [2.8K]3 years ago
5 0
The answer you are looking for is True
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Calculate the empirical formula of a compound that has a composition of 5.9% (by mass) hydrogen and 94.1% (by mass) oxygen.​
adelina 88 [10]

Answer:

The empirical formula is the simplest form;

Given:

Oxygen O at 94.1% and

H at 5.9%

Assume 100grams.

94% = 0.941 x 100gm. = 94.1 gm x 1mole/16gm. = 5.88 moles of O

5.9% = 0.059 x 100gm. = 5.9gm. X 1moleH/1.002gm. = 5.88 moles of H

There is one mole of O for each mole of H so the empirical formula is O_1H_1

and written as OH.

8 0
3 years ago
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How did the metric system came to existence? (explain how it started until it is being implemented)
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Which is the strongest reducing agent in the periodic table?
ycow [4]
"Caesium" is the strongest reducing agent in Periodic table.

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Need Answer Quick
Mkey [24]

Answer:

Electrons

Explanation:

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3 years ago
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What is the concentration of h+ ions in a solution of hydrochloric acid that was prepared by diluting 35.0 ml of concentrated (1
Alekssandra [29.7K]
Hydrochloric acid ionisation is as follows;
HCl ---> H⁺ + Cl⁻
HCl is a strong base so there's complete dissociation of acid to H⁺ ions
The number of HCl moles is equivalent to number of H⁺ ions present
1 L of solution contains - 11.6 moles of H⁺ ions
In 35 ml number of moles - 11.6 mol/L / 1000 ml x 35 ml = 0.406 mol
This number of moles are dissolved in 500 ml 
therefore molarity = 0.406 mol /500 ml x 1000 ml = 0.812 M
4 0
3 years ago
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