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attashe74 [19]
3 years ago
8

What is the noble gas configuration for magnesium?

Chemistry
1 answer:
Eva8 [605]3 years ago
5 0
Her you go hope this answers your question

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Given each of the following sets of values for an ideal gas, calculate the unknown quantity.
omeli [17]

Answer:

a. 5.77L

b. 700mmHg

c. 395K

Explanation:

Using PV = nRT we can solve these problems where:

P is pressure of the gas in atm (1atm = 760mmHg)

V is volume in liters

n are moles of the gas

R is gas constant: 0.082atmL/molK

T is asbolute temperature in K

a. PV = nRT

V = nRT/P

P = 773mmHg*(1atm/760mmHg) = 1.017atm

T = 25°C+273 = 298K

V = 0.240mol*0.082atmL/molK*298K / 1.017atm

V = 5.77L

b. PV = nRT

P = nRT/V

P = 0.0947mol*0.082atmL/molK*309K/0.635L

P = 0.9216atm * (760mmHg/1atm) = 700mmHg

c. PV = nRT

PV/nR = T

P = 727mmHg * (1atm / 760mmHg) = 0.9566atm

0.9566atm*13.3L/0.393mol*0.082atmL/molK = T

T = 395K

5 0
3 years ago
Can someone explain me why the molar mass become 90.12 g/mol and when I calculated it's 90 g/mol?​
e-lub [12.9K]

Answer:

It could be because of rounding error somewhere in your calculations. Another thing to note is 90 +/- 4 g/mol.

Your calculations don't have to be spot on.

8 0
3 years ago
If you are going to measure the mass of your dog, which of the following units should you use?
erastova [34]
You would use kilograms
8 0
2 years ago
Determine whether or not the equation below is balanced. If it isn’t balanced, write the balanced form. Also, identify the react
Natasha_Volkova [10]

Answer:

Explanation:

There's no equation attached. What equation is it?

5 0
3 years ago
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Sand dunes are created when the wind carrying the sand runs into an obstacle A. True B. False
Troyanec [42]

A. True

They are formed behind an obstacle when the wind blows the sand up to it.

3 0
3 years ago
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