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Camarra
Questions and answers by visitors named
Camarra
Questions (13)
How many grams of CH3OH must be added to water to prepare 420.0 mL of a solution that is 5.0 M CH3OH?
2 answers
543 views
What volume (mL) of a concentrated solution of sodium hydroxide (2.00 M) must be diluted to 600.0 mL to make a 0.860 M solution
2 answers
834 views
In a titration of 26.0 mL of 0.840 M H2SO4, __________ mL of a 0.200 M KOH solution is required for neutralization. Express your
2 answers
473 views
A 22.44g sample of iron absorbs 180.8J of heat, upon which the tempature of the sample increases from 21.1 C to 39.0 C. What is
4 answers
2,892 views
The value of H° for the reaction below is -482 kJ. Calculate the heat (kJ) released to the surroundings when 12.0 g of CO (g)
3 answers
1,454 views
For which one of the following reactions is the value of H°rxn equal to H°f for the product?
2 answers
857 views
A balloon originally had a volume of 6.63 L at 86 °C and a pressure of 684 torr. The balloon must be cooled to __________°C to
2 answers
480 views
A sample of gas (26.1 g) initially at 3.00 atm was compressed from 21.00 L to 6.00 L at constant temperature. After the
2 answers
504 views
What is the partial pressure (in mm Hg) of neon in a 4.00 L vessel that contains 0.442 mol of methane, 0.414 mol of ethane, and
3 answers
1,517 views
A 20.9 L container filled with gas at 0.845 atm and 64.0°C contains __________ mol of gas. Express answer to three decimal
1 answer
452 views
The density (in g/L) of CO2 at 444 torr and -6.0°C is __________. Express answer to three (thousandth) decimal places.
1 answer
423 views
A sample of hydrogen gas (H2) was found to effuse at a rate equal to 6.7 times that of an unknown gas. The molecular weight of
2 answers
770 views
The density (in g/L) of CO2 at 444 torr and -6.0°C is __________. Express answer to three (thousandth) decimal places
I don't
1 answer
374 views
