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frozen [14]
3 years ago
11

7. Calculate moles of H2 needed to form 2.25 moles HCl in the reaction H2 + Cl2==>2HCl

Chemistry
1 answer:
mart [117]3 years ago
8 0

Answer:

1.125 moles

Explanation:

2mole of HCl produced 1mole of H2

2.25moles of HCl will produce x moles

cross multiply

2x=™1×2.25

x= 2.25÷2

x=1.125mole

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boyakko [2]

Answer:

Tests for gases

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Hydrogen. A lighted wooden splint makes a popping sound in a test tube of hydrogen.

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hope it will help

5 0
2 years ago
3(x - 2) = 5(x + 4)<br><br>​
Tcecarenko [31]

Answer:

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First distribute the three and 5 (Multiply them by both terms inside parenthesis.

3x-6=5x+20

Then add like terms

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Explanation:

5 0
3 years ago
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If you have 547.3 grams of Ni2O, how many molecules would be present?
jasenka [17]

Answer: 8.830418848725065

Explanation:

8.830418848725065

5 0
2 years ago
Calculate the energy in joules and calories required to heat 50.0g silver from 106c to 255c. ​
Ganezh [65]

Answer:

Explanation:

use this fromula

q = m c ∆t

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5 0
3 years ago
A. Reaction with what gas in the atmosphere makes natural rain water slightly acidic? (2 points)
Vlada [557]

Answer:

See explanation

Explanation:

On the pH scale acidity ranges from pH values of 0-6.9. Natural rain water is slightly acidic due to the presence of carbon dioxide in the atmosphere which is an anhydride of carbonic acid.

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B. The equations that turn sulfur to sulfuric acid are;

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-

At pH 6, H^+ concentration = 1 * 10^-6 M

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Hence;

1 * 10^-2/1 * 10^-6

= 10^4 times more acidic

5 0
3 years ago
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