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3 years ago

Which process created the gases of earth’s first atmosphere?

Chemistry

2 answers:

Pachacha [2.7K]3 years ago

8 0

Answer: A) Volcanic Activity

lisov135 [29]3 years ago

3 0

Answer:

Volcanic Activity

Explanation:

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A sample of an ideal gas has a volume of 2.31 l at 287 k and 1.10 atm. calculate the pressure when the volume is 1.45 l and the

balu736 [363]

Hello!

The pressure of the Ideal Gas when the volume is 1,45 L and the temperature is 298 K is 1,82 atm.

To solve this problem we need to apply the Ideal Gas Law for the initial conditions and the final ones, clearing the equation for the number of moles (n) and the ideal gas constant (R) which remain constant:

$P_n*V_n=n*R*T_n \\ \\ n*R= \frac{P_n*V_n}{T_n}$

Now we match n*R for the initial conditions (1) and the final ones (2), clearing the equation for P₂

$\frac{P_1*V_1}{T_1}= \frac{P_2*V_2}{T_2} \\ \\ P_2= \frac{P_1*V_1*T_2}{T_1*V_2}= \frac{1,10 atm*2,31 L *298 K}{287K*1,45 L}=1,82 atm$

Have a nice day!

7 0

3 years ago

At what temperature Kelvin would

Hatshy [7]

Answer:

The temperature would be 304, 87 K

Explanation:

We use the formula PV= nRT:

T= PV/nR = 1,00 atm x 100L /4,00 mol x 0,082 l atm/K mol=<em>304, 87 K</em>

6 0

3 years ago

Read 2 more answers

Which is true about the effusion rates of helium and sulphur dioxide when the molar mass of helium is 4 grams/mole and the molar

Paraphin [41]

<span>mv^2 is a conserved quantity

so v goes as sqrt(1/m)

heavier is slower

64/4 = 16
sqrt(16) = 4

B) and D) are both correct strictly speaking - lean towards submitting D) as answer

so i would say D) </span>

6 0

3 years ago

Read 2 more answers

Two substances with empirical formula HNO are hyponitrous acid (M = 62.04 g/mol) and nitroxyl (M = 31.02 g/mol).(d) When hyponit

astra-53 [7]

The cis and Trans-forms of hyponitrous acid are given below in the attached document.

Hyponitrous acid has the chemical formula H2N2O2 or HON=NOH. 62.028 g/mol is the molecular weight of it. Additionally, it can take either a trans or cis form. When dry, the trans-hyponitrous acid crystallizes into white, explosive particles. Additionally, it has a half-life of 16 days at 25oC at a pH 1-3 in aqueous solution and is a weak acid (pKa1=7.21, pKa2=11.54). It decomposes into nitrous oxide and water. It is incorrect to think of N2O as the anhydride of H2N2O2. However, even though cis acid is unknown, we can still get its sodium salts.

Learn more about explosive particles here-

brainly.com/question/21437871

#SPJ4

5 0

2 years ago

11.Calculate the molar mass of Fe2(SO3)3

Leno4ka [110]

Answer:

The molar mass and molecular weight of Fe2(SO3)3 is 351.8796.

4 0

2 years ago