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AnnyKZ [126]
3 years ago
5

Fill the blanks in 17-23 please help!

Chemistry
1 answer:
inn [45]3 years ago
8 0
Chemical formula
Average kinetic energy (temperature)
Internal pressure
Mixture
Mass
Extensive properties
Compound
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When 100ml of M HCl is mixed with 100ml of N NaOH, the pH of the resulting solution is
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Answer:

Option d. 7

Explanation:

A mixture of a strong base and a strong acid produce a neutral salt and water.

This is the reaction of neutralization:

HCl + NaOH → NaCl + H₂O

NaCl →  Na⁺  +  Cl⁻

Sodium chloride is neutral salt which does not give H⁻ neither OH⁻ to medium, that's why pH is neutral.

Both ions are derivated from a strong acid and base so they do not make hydrolisis. They are a conjugate pair of a weak acid and base. The reactions can not occur:

Cl⁻  +  H₂O ← OH⁻  +  HCl

Na⁺  +  H₃O⁺ ← NaOH  + H₂O

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Answer:  Hydrogen that is not used in balloons because hydrogen burns very easily.

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At sea level, a kilogram welghs approximately<br> 2 pounds<br> 10 pounds<br> 5 pounds<br> 1 pound
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1 kilogram weight at sea level would be the equivalent of  2 pounds.

Explanation:

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Amount moles 167 g of nitrogen​
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