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a sample of gas is collected over water at a temperature of 35.0C when the barometer pressure reading is 742.) torr. What is the partial pressure of oxygen?
A solution has a volume of 2.0 L and contains 36.0 g of glucose (C6H12O6). If the molar mass of glucose is 180 g/mol, what is the molarity of the solution.
Calculate how many milliliters of carbon dioxide would be produced theoretically from 20g of sucrose at 25 degrees Celsius and 1 atomosphere pressure.
what is the molarity of a saturated solution of AgOH with a Ksp = 2.0 x 10^ -8
This acidity has affected many lakes in northern Europe, the northern United States, and Canada, reducing fish populations and affecting other parts of the ecological network within the lakes and surrounding forests
How much heat (in kJ ) is required to warm 13.0 of ice, initially at -13.0, to steam at 114.0? The heat capacity of ice is 2.09 and that of steam is 2.01
calculate the mass of hydrogen gas that could have been produced. What would the gas volume be at room temperature and one atmosphere of pressure.
Calculate the internal energy change (deltaU) for vaporization of 100 g of Cl2(liq.) at this temperature and 1 bar? (b) Calculate its molar entropy change (AS) for vaporization at this condition
A 58.0 mL solution of 0.500 M Cd(NO3)2 is prepared. What mass of NaOH is needed to precipitate the Cd2+ ions from this solution?
What mass of silver chloride will be recovered if excess sodium chloride is added to 500 mL of solution containing 10.79g of Ag+?
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
What are the units of the rate constant? c) What is the average value of the rate constant calculated from the three data sets?
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