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alexira [117]
3 years ago
10

which statement is true about the reaction shown by this chemical equation HCl + NaOH ------> NaCl + H2O

Chemistry
2 answers:
bixtya [17]3 years ago
7 0

Answer: It is endothermic

Explanation:

NNADVOKAT [17]3 years ago
3 0

Answer:

A. It is exothermic

Explanation:

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94.6 g.  You must use 94.6 g of 92.5 % H_2SO_4 to make 250 g of 35.0 % H_2SO_4.

We can use a version of the <em>dilution formula</em>

<em>m</em>_1<em>C</em>_1 = <em>m</em>_2<em>C</em>_2

where

<em>m</em> represents the mass and

<em>C</em> represents the percent concentrations

We can rearrange the formula to get

<em>m</em>_2= <em>m</em>_1 × (<em>C</em>_1/<em>C</em>_2)

<em>m</em>_1 = 250 g; <em>C</em>_1 = 35.0 %

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∴ <em>m</em>_2 = 250 g × (35.0 %/92.5 %) = 94.6 g

4 0
3 years ago
When the valves are opened and the gases are allowed to mix at a constant temperature, what is the distribution of atoms in each
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Equal number of atoms of each gas in each container

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