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3 years ago

2. Write a balanced chemical equation from the following descriptions.

Chemistry

1 answer:

Kitty [74]3 years ago

4 0

Answer:

AgNO3 + NaCl ---> AgCl + NaNO3

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Answer:

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Explanation:

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What is the pH of a 75.0 mL solution that is 0.045 M in weak base and 0.053 M in the conjugate weak acid

noname [10]

Answer:

7.07

Explanation:

HA = weak acid = 0.053

A+ = conjugate base = 0.045

Ka = 7.2x10^-8

Ka = [H+][A-]/HA

7 2x10^-8 = [H+][0.045]/0.053

[H+] = 7.2x10^-8 x 0.053/0.045

= 8.48x10^-8

PH = -log[H+]

= -log[8.48x10^-8]

PH = -[login.48 + log10^-8]

PH = -0.928 - (-8)log10

= 7.07

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3 years ago

Logging trees is often controversial. Why would some people support logging and some people not support logging?

Harlamova29_29 [7]

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Answer:
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Structures of Both Arachidonic Acid and PGE₁ are shown Below,

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What does the atomic number represent?

saw5 [17]

C. The number of protons in the atoms nucleus.

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