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koban [17]
3 years ago
9

Each of the jars was heated 90°C each jar was placed on the counter and allowed to cool

Chemistry
1 answer:
jeka943 years ago
8 0
Where is the rest of the question?
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Calculate the pressure of 2.50 Liters of a gas at 25.0oC if it has a volume of 4.50 Liters at
MariettaO [177]

Answer:

P_2 =0.51  atm

Explanation:

Given that:

Volume (V1) = 2.50 L

Temperature (T1) = 298 K

Volume (V2) = 4.50 L

at standard temperature and pressure;

Pressure (P1) = 1 atm

Temperature (T2) = 273 K

Pressure P2 = ??

Using combined gas law:

\dfrac{P_1V_1}{T_1} = \dfrac{P_2V_2}{T_2} \\ \\ \dfrac{1 *2.5}{298} = \dfrac{P_2*4.5}{273}

0.008389261745 \times 273 = 4.5P_2

P_2 =\dfrac{0.008389261745 \times 273 }{4.5}

P_2 =0.51 \ atm

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2 years ago
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Answer:

Gravity

because the earth which pulls any object towards it center and the velocity is achieved

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2 years ago
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Consider two solutions, solution a and solution
Ronch [10]
Answer is: solution A has 2,57 time greater pH value than solution B.<span>
</span>Concentration of [H⁺] in solution A is than 370x.
pH = -log[H⁺].
pH(solution A) = -log(370x).
pH(solution b) = -log(x).
pH(solution A) / pH(solution B) = -log(370x) / -log(x).
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3 years ago
Which of the following is an example of heat transfer through conduction?
slava [35]
A pan on the stove getting hot, because the pan is conducting the heat from the stove.
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How does the periodic table used today classify elements?
S_A_V [24]

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The Periodic Table organizes chemical elements according to the number of protons that each has in its atomic nucleus

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