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cricket20 [7]
3 years ago
7

Pls pls pls pls pls pls pls pls pls pls pls help help help help help help help help help help

Chemistry
1 answer:
Gwar [14]3 years ago
6 0

Answer:

Explanation:

The moon would fall and earth as well

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Answer A touches on the topics of economics and industrial feasibility of the flu shot.
B is more of an ethical / situational question.
C is a social question.
D is the only question which focuses on the science of microbiology and medicine.
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Whenever a continuous bell alarm sounds in the Chemistry building:
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Answer:

C

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This is essentially one of the several safety measures in the chemical laboratory. This particular approach is one used in the case of fire eventualities.

A is wrong

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4 0
3 years ago
How many grams (g) are in 0.250 moles of copper?
MissTica

Answer:

15.89grams

Explanation:

The mass of a substance can be calculated from it's mole value by using the formula:

mole = mass/molar mass

According to this question, there are 0.250 moles of copper. Hence, the mass of copper can be calculated as follows:

Molar mass of Cu = 63.55g/mol

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Mass of Cu in 0.250mol is 15.89grams.

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