200 cm3
400 cm3
600 cm3
700 cm3
Correct answer is B
No explanation has been provided for this answer.
An increase in the pressure exerted on gas at a constant temperature results in
a decrease in the number of effective collisions
a decrease in volume
an increase in the average intermolecular distance
an increase in volume
Correct answer is B
No explanation has been provided for this answer.
49.19 cm 3
48.87 cm 3
48.55 cm 3
48.23 cm 3
Correct answer is D
General Gas Equation:
\(\frac{P_1 V_1}{T_1}\) = \(\frac{P_2 V_2}{T_2}\)
where P\(_1\) = 765 - 5 = 760mmhg
\(V_2 = \frac{P_1 V_1 T_2}{P_2 T_1}\)
\(V_2 = \frac{760 * 50 * 273}{ 760 * 283}\) → 48.23cm\(^3\)
How many atoms are present in 6.0g of magnesium?
[Mg = 24, NA = 6.02 x 1023 mol-1]
1.20 x 1022
2.41 x 1022
1.51 x 1023
3.02 x 1023
Correct answer is C
No explanation has been provided for this answer.
netralization with NaOHfoolowed by filtration
neutralization with NaOH followed by distillation
fractional distillation
filtration followed by distillation
Correct answer is D
No explanation has been provided for this answer.