2 years ago

Humans are protected from some infections by specialized cells which produce chemicals that

Chemistry

1 answer:

tamaranim1 [39]2 years ago

8 0

Those cells kill microbes

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If the volume of a gas at 0.5 atm changes from 150 mL to 75 mL, what is the new pressure?

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Answer:

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

$P_1V_1 = P_2V_2$

Since we're finding the new pressure

$P_2 = \frac{P_1V_1}{V_2} \\$

We have

$P_2 = \frac{0.5 \times 150}{75} = \frac{75}{75} = 1 \\$

We have the final answer as

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2 years ago

Elements whose properties are between those of metals and solid nonmetals are called:

Tom [10]

Answer:

mettaliods

Explanation:

It has the both property of metal and non metal so it is called mettaliod.

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Isotopes of the same element have different _____. numbers of neutrons numbers of protons numbers of electrons atomic numbers

iris [78.8K]

Answer:

number of neutrons

Explanation:

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I can't figure out how to remotely come up with an answer close to any of the multiple choice options.

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Hey:) Have you tried googling your question?

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What would be the final volume (in mL) of the aqueous potassium fluoride which was prepared by dissolving 8.0 g of potassium flu

andrew11 [14]

n=m/M

8.0g÷58.10g/mol=0.14mol

V=n/c

0.14mol÷0.89M=0.16L=1.6×10²mL

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2 years ago