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grandymaker [24]
3 years ago
9

What is 1/4 cup of magnesium converted to grams

Chemistry
1 answer:
ahrayia [7]3 years ago
8 0

Answer: 32 grams

Explanation:

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NEED HELP ASAP!!!
Alexxx [7]

At room temperature oxygen, O_2 is present in the gas phase.

A gas is defined as a substance which is characterized by the rapidly movement of molecules which are widely separated. The shape and volume of gas is not definite that is they take on the shape of the container in which it is placed. The gas molecules have minimum inter-nuclear attractions and thus have high kinetic energy.

Thus, the sentences that describes oxygen at room temperature are:

  • It has no definite volume and takes the shape of its container.
  • Its particles move fast enough to overcome the attraction between them.
  • It has more energy than it would be at a cooler temperature as the kinetic energy is directly proportional to the temperature that is kinetic energy increases on increasing the temperature.

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3 years ago
What mass of dinitrogen monoxide, N2O, contains the same number of molecules as 3.00 g of trichlorofluoromethane, CCl3F?
erica [24]

Answer:

0.9612 g

Explanation:

First we <u>calculate how many moles are there in 3.00 g of CCl₃F</u>, using its <em>molar mass</em>:

  • 3.00 g CCl₃F ÷ 137.37 g/mol = 0.0218 mol CCl₃F

Now, we need to calculate how many grams of N₂O would have that same number of molecules, or in other words, <em>the same amount of moles</em>.

Thus we <u>calculate how many grams would 0.0218 moles of N₂O weigh</u>, using the <em>molar mass of N₂O</em> :

  • 0.0218 mol N₂O * 44.013 g/mol = 0.9612 g N₂O
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Which scenario is an example of primary succession?
pishuonlain [190]

Answer:

the answer to your question is A

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What unit is a wave velocity measured in
Ivahew [28]

Answer:

radians

Explanation:

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Ice is less dense than water. Hydrogen bonding makes water more dense than when it is in the form of ice!

[email protected]@dow

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3 years ago
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