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stealth61 [152]
2 years ago
15

Select the correct answer. What does the kinetic theory state about the relationship between the speed and temperature of gas mo

lecules? A. As the temperature increases, the speed of gas molecules remains constant. B. As the temperature increases, the speed of gas molecules decreases. C. As the temperature increases, the speed of gas molecules increases. D. As the speed of gas molecules increases, the temperature becomes constant. E. As the temperature decreases, the speed of gas molecules increases.
Chemistry
2 answers:
djverab [1.8K]2 years ago
7 0
Answer = C. As the temperature increases, the speed of gas molecules increases.

As the temperature increases, the gas molecules gain kinetic energy, therefore their speed increases.
Stells [14]2 years ago
5 0

Answer:

C. As the temperature increases,the speed of gas molecules increase.

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5F248+ 2NH3(8) ► NF418 + 6HF
mylen [45]

Answer:

14.2L at STP

Explanation:

Based on the problem, 2 moles of NH3 produce 6 moles of HF. To solve this question we have to convert the mass of NH3 to moles. With the chemical equation find the moles of HF and using PV = nRT find the liters of HF:

<em>Moles NH3 -Molar mass: 17.031g/mol-</em>

3.6g NH3 * (1mol / 17.031g) = 0.211 moles NH3

<em>Moles HF:</em>

0.211 moles NH3 * (6mol HF / 2mol NH3) = 0.634 moles HF

<em>Volume HF</em>

PV = nRT; V = nRT/P

<em>Where V is volume in liters, n are moles of the gas = 0.634 moles, R is gas constant = 0.082atmL/molK, T is absolute temperature = 273.15K at STP and P is pressure = 1atm at STP.</em>

Replacing:

V = 0.634moles*0.082atmL/molK*273.15K / 1atm

V = 14.2L at STP

6 0
2 years ago
Why do they call Cleveland "the mistake by the lake"?
algol13
Mostly because the lake smell really bad and the waters really dirty

3 0
3 years ago
What mineral mostly form through chemical precipitation?
zzz [600]
The mineral that is found is Sedimentary Rocks
5 0
3 years ago
Convert 35 g of iron to moles of iron.
Ad libitum [116K]

Answer:

ummmmm 35???????

Explanation:

5 0
2 years ago
Jeff used an equal arm balance to weigh a 4.312 g sample of sodium chloride. Which of these measurements made by Jeff is the mos
Virty [35]

Answer:

4.3.

Explanation:

  • Measurements that are close to the known value are said to be accurate, whereas measurements that are close to each other are said to be precise.
  • The most closest measurement to the known value is 4.3 g.
  • So, the right choice is: 4.3 g.
3 0
3 years ago
Read 2 more answers
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