2 years ago

Plz help me plz I am timed!!

Chemistry

2 answers:

UNO [17]2 years ago

7 0

Answer:

full moon

Explanation:

PolarNik [594]2 years ago

6 0

Answer:

full moon

Explanation:

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SOVA2 [1]

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2 years ago

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A single paper clip weighs about one gram. So 10 paper clips would weigh?

GREYUIT [131]

About 10 grams

1 x 10= 10 or 1:1 > 10:10

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3 years ago

117 milligrams (mg) of purified product was isolated from a chemical reaction. This experimental yield of product represents a 8

Brut [27]

Answer:

131 mg

Explanation:

Percent yield = 89%

Actual yield = 117 mg

Percent yield is given by

$\text{Percent yield}=\dfrac{\text{Actual yield}}{\text{Theoretical yield}}\times 100\\\Rightarrow 89=\dfrac{117}{\text{Theoretical yield}}\times 100\\\Rightarrow \text{Theoretical yield}=\dfrac{117}{89}\times 100\\\Rightarrow \text{Theoretical yield}=131.46\approx 131\ \text{mg}$