3 years ago

Write 6.3 x 10^2 in standard form.

Chemistry

1 answer:

andre [41]3 years ago

3 0

In standard form I believe it would be 630

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Gold is currently trading at very high price. Suppose that gold is selling for around $1860/ounce. How

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Answer:

The answer is "3.81041978"

Explanation:

$\to 1 \ OZ= 28.349523125 \ grams\\\\$

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In 1860 $= 28349.5231 \ miligrams\\$

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20 ML of a gas at 200 K is heated until the new volume is 55ML what is the final temperature of the gas

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Answer:

T2 = 550K

Explanation:

From Charles law;

V1/T1 = V2/T2

Where;

V1 is initial volume

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T1 is initial temperature

T2 is final temperature

We are given;

V1 = 20 mL

V2 = 55 mL

T1 = 200 K

Thus from V1/T1 = V2/T2, making T2 the subject;

T2 = (V2 × T1)/V1

T2 = (55 × 200)/20

T2 = 550K

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