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VLD [36.1K]
3 years ago
7

Please please please please please please help me a b c or d

Chemistry
1 answer:
otez555 [7]3 years ago
6 0

Answer:

how far an object moves in a certain amount of time

Explanation:

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ycow [4]

Answer:

APEX answer North Pole

Explanation:

6 0
3 years ago
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1. 17.0 grams of xenon hexafluoride is in a solid container. How many milliliters of that gas
BlackZzzverrR [31]

Answer: The volume of gas is 3020 ml

Explanation:

According to ideal gas equation:

PV=nRT

P = pressure of gas = 821.4 torr =  1.08 atm     (760 torr = 1atm)

V = Volume of gas in L = ?

n = number of moles = \frac{\text {given mass}}{\text {Molar mass}}=\frac{17.0g}{245.28g/mol}=0.069mol

R = gas constant =0.0821Latm/Kmol

T =temperature =302.7^0C=(302.7+273)K=575.7K

V=\frac{nRT}{P}

V=\frac{0.069mol\times 0.0821Latm/K mol\times 575.7K}{1.08atm}=3.02L=3020ml

Thus volume of gas is 3020 ml

4 0
3 years ago
An organism that makes or creates their own food?
Sedaia [141]

I think producer

option is A

5 0
3 years ago
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How are the terms molar mass and atomic mass different from one another
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1.Molar mass is the mass of one mole per single element while atomic mass is the mass of an atom at rest or is the number of protons and neutrons.

2.Molar mass is measured in grams per mole while atomic mass is “unitless.”

3.Atomic mass is measured via mass spectrometry while molar mass is computed via atomic weight.

8 0
3 years ago
3. Description of which organelle betul "Creates a physical barrier ;
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The cell membrane performs those functions. It is the outer layer of a cell and it creates a barrier, regulates material entry and exit, uses chemical signals, and creates structure.
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2 years ago
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