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3 years ago

CHEMISTRY QUESTION WILL MARK YOU BRAINLIEST!

Chemistry

1 answer:

sammy [17]3 years ago

7 0

Answer:

Based on Boyle's law, which of the following statements is true for an ideal gas at a constant temperature and mole amount?

A) Pressure is directly proportional to volume.

B) Pressure is inversely proportional to volume. CORRECT ANSWER!!!

C) The number of collisions is independent of pressure.

D) The number of collisions decreases with increase in pressure.

B is the CORRECT answer!!!

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Having food in the stomach __________ the rate at which a person's BAL rises.

Andreyy89

Answer:

Explanation:

It rises Food in your stomach (Food slows down alcohol absorption. What's the best to eat? Protein! It takes the longest to digest)

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3 years ago

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What is the total mass of 2.0 moles of diatomic hydrogen?

sladkih [1.3K]

diatomic hydrogen is written as H2 (2.02 grams H2) <------- if each hydrogen atom is 1.01 grams, then two hydrogen atoms are 2.02 grams 2.0 moles H2 X 2.02 grams H2 ------------- (divide to cancel moles) = 4.04 grams/mole H2 ÷ one mole = 4.04 grams H2

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3 years ago

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What mass of K2SO4 would you measure out to prepare 550 ml of a 0.76 M solution

Nikolay [14]

The molecular weight of K2SO4 is 174.26 g/mole. The mass of K2SO4 required to make this solution is calculated in the following way.
550mL * (0.76mole/1000mL) * (174.26g/mole) = 72.84gram
I hope this helps.

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3 years ago

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NEED HELP QUICKLY!!! How many moles are in each of the following?

oksano4ka [1.4K]

Answer: a. 0.26mol

b. 0.000479mol

c. 1.12mol

Explanation: Please see attachment for explanation

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3 years ago

Define the term inertia

n200080 [17]

Answer:

Explanation:

Enertia is an integral part of Newton's first law of motion.

It is the tendency of an object to stay at rest or to continue moving until and unless any external unbalanced force, (like, applied force or force of tension or frictional force ) is applied to either move it from rest or change its speed(in other words, accelerate it!!).

Example below, is of ball at rest (fig1) and if this ball is moving straight on a frictionless surface(like ice) it will keep moving!! until, we push it or pull it.

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3 years ago