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amid [387]
2 years ago
12

Noble gases (except for He) have _________ electron(s) in their valence shell. A. 1 B. 2 C. 4 D. 8

Chemistry
1 answer:
Svet_ta [14]2 years ago
3 0
Noble gases having col:18
so the valence shell is D.8
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What is magma and what does it create? How?
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5 0
3 years ago
The volume of a sample of oxygen is 300.0 mL, when the pressure is 1.00 atm and the temperature is 300K. At what pressure will t
Brut [27]

Answer:

The new pressure is 0.5 atm

Explanation:

Step 1: Data given

Volume of oxygen = 300 mL = 0.300 L

Pressure = 1.00 atm

Temperature = 300 K

The volume increases to 1000mL = 1.00 L

The temperature increases to 500 K

Step 2: Calculate the new pressure

(P1*V1)/T1 = (P2*V2)/T2

⇒with P1 = the initial pressure = 1.00 atm

⇒with V1 = the initial volume = 0.300 L

⇒with T1 = the initial temperature = 300 K

⇒with P2 = the new pressure = TO BE DETERMINED

⇒with V2 = the increased volume = 1.00 L

⇒with T2 = the increased temperature = 500 K

(1.00 atm* 0.300 L)/300 K = (P2 * 1.00L) / 500 K

P2 = (1.00 *0.300 * 500) / (300 *1.00)

P2 = 0.5 atm

The new pressure is 0.5 atm

4 0
2 years ago
An FM radio station broadcast at a frequency of 98.5 MHz. What is the wavelength of the station’s broadcast signal?
Troyanec [42]

Answer:

(1 MHz = 106 s -1)

Explanation:

4 0
3 years ago
Rationalize the difference in boiling points between the members of the following pairs of substances. Part APart complete HF (2
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Explanation:

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2 years ago
Can someone please help me with 363?
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htdtshhthtdhthshAnswer:

yyrgtyht5gggggggggggggggggdggdd

Explanation:

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