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katovenus [111]
2 years ago
10

Which of the following is an example of a mixture?

Chemistry
2 answers:
kow [346]2 years ago
6 0

Answer:

the answer is b

Explanation:

kap26 [50]2 years ago
3 0
B. the atmosphere is an example of a mixture
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a steel cylinder is left out in the sun the pressure at 2:00 pm was 1014 kpa at 33.0 c at 7:00 am at a temperature of 21.4c what
e-lub [12.9K]
The easiest way is to use the Law of Gay-Lussac. This law states that there is a direct relation between the temperature in Kelvin of a gas and the pressure.

Then, namig p the pressure and T the temperature in Kelvin and using subscripts for every state:

p/T is constant ==> p_1 / T_1 = p_2/T_2

From which you obtain:

p_2 = [p_1 / T_1] * T_2

T_1 = 33.0 + 273.15 = 306.15 K
T _2 = 21.4 + 273.15 = 294.55 K

p_1 = 1014 kPa

p_2 = 1014 kPa * 294.55 K / 306.15 K = 975.6 kPa
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3 years ago
Is first order in ch3nc. the half life of the reaction is 5.20 101 s at 545 k. the rate constant when the initial [ch3nc] is 0.0
Katyanochek1 [597]
I need help too anyone got the answer?

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Maria took a walk to the store, did some shopping, and then came home. During Maria's trip, when was her displacement equal to z
velikii [3]
I would say it would be a. It makes the most sense
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3 years ago
An element in Group 2 of the periodic table likely has which characteristics?
ser-zykov [4K]

Answer:

Shiny solid. Conducts heat and electricity. Easily bends

Explanation:

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2 years ago
Calculate the approximate volume of a 0.6000mol sample of gas at 288.15K and a pressure of 1.10atm.
11111nata11111 [884]

Answer:

The volume of the sample of the gas is found to be 12.90 L.

Explanation:

Given pressure of the gas = P = 1.10 atm

Number of moles of gas = n = 0.6000 mole

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Assuming the volume of the gas to be V liters

The ideal gas equation is shown below

\textrm{PV} =\textrm{nRT} \\1.10 \textrm{ atm}\times V \textrm{ L} = 0.6000 \textrm{ mole}\times 0.0821 \textrm{ L.atm.mol}^{-1}.K^{-1}\times 288.5\textrm{K} \\\textrm{V} = 12.90 \textrm{ L}

Volume occupied by gas = 12.90 L

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