Math Problems
what is the molarity of a solution containing 51 liters of water and 17.0 grams of NaCl?
.0057 M
what are the conditions of STP for temperature?
273 K
what is the percent concentration of a solution containing 17.4 grams of NaOH and 185 mL of NaOH solution?
9.41%
a gas has a pressure of 28.01 kPa at a temperature of 247K. What will the temperature be If the pressure is increased to 35.4 kPa?
312 K
what are the three pressure conversion factors?
1 atm = 760.0 mm of Hg = 101.3 kPa
How many grams of NaCl are needed to make 95.0 mL of a 18.9% (m/v) NaCl solution?
18.0g NaCl
what volume of solution is needed to turn 7.50 g of NaCl into 0.987 M NaCl solution?
0.130 L
If you have 13 ml of lemonade in 174 ml of sprite, what is the solute?
lemonade
A gas has a volume of 182 mL, a temperature of 18 degrees Celsius and a pressure of 283 mmHg if the temperature is held constant and the volume increases to 213 mL, what is the final pressure?
242 mm Hg
at 182 degrees Celcius, a gas has a pressure of 1.29 atm and a volume of 73.8L. If the pressure increases to 1.34 atm and the temperature decreases to 165 degrees Celcius, what will the volume of the gas be?
68.4 L
What happens to the rate of evaporation as the temperature decreases?
decreases
how many grams of methane, CH4, will be produced if a gas has a temperature of 53 degrees Celcius, a volume of 294 mL, and a pressure of 277 kPa?
481 g CH4
17.3 grams of NaCl is dissolved to make 175 mL of solution? what is the percent concentration?
9.89%
what is the relationship between the following:
1. pressure and volume
2. pressure and temperature
3. volume and temperature
what does their relationship mean?
1. Inverse (one goes up other goes down)
2. direct (one goes up other goes up)
3. direct
what is the volume of 1.53 M NaOH solution containing 12.9g of NaOH?
.211 L of soln