2 years ago

The CPU is often covered by a (n) Which dissipates the heat generated by the chip ?

Chemistry

1 answer:

kakasveta [241]2 years ago

7 0

http://www.its.org/content/watch-pittsburgh-steelers-vs-baltimore-ravens-live-stream-free-nfl

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What is the pH of a 8.7 x 10^-12 M OH- solution ? pH= ?

vivado [14]

PH=14-pOH

pOH=-lg[OH⁻]

pH=14+lg[OH⁻]

pH=14+lg(8.7*10⁻¹²)=14-11.06=2,94

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3 years ago

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Which of the following intermolecular forces is the strongest?

Tanzania [10]

Answer:

A. Hydrogen Bonding

Explanation:

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2 years ago

Valeric acid, HC5H9O2 (Ka = 1.5 ✕ 10−5), is used in the manufacture of magnesium valerate, a nerve-calming agent. What is the hy

Studentka2010 [4]

Answer:

$[H^+]=0.00332M$

Explanation:

Hello,

In this case, considering the dissociation of valeric acid as:

$HC_5H_9O_2 \rightleftharpoons C_5H_9O_2 ^-+H^+$

Its corresponding law of mass action is:

$Ka=\frac{[H^+][C_5H_9O_2^-]}{[HC_5H_9O_2]}$

Now, by means of the change $x$ due to dissociation, it becomes:

$Ka=\frac{(x)(x)}{0.737-x}=1.5x10^{-5}$

Solving for $x$ we obtain:

$x=0.00332M$

Thus, since the concentration of hydronium equals $x$ , the answer is:

$[H^+]=x=0.00332M$

Best regards.

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2 years ago

What is the mole ratio of NH3 to N2?

Ksenya-84 [330]

To answer this question a balanced chemical equation is necessary. The correct equation is: N2 + 3H2 = 2NH3
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2 years ago

photosynthesis in plants require chloroplasts and light energy. identify two materials plants also use in this process

Nataliya [291]

I would assume carbon and water if not Im sorry.

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3 years ago