Determine how many calories of heat energy were absorb
if you started a ride with ice packs that held 1600g of frozen water at 0 degree celius, and the temperature of the water at the end of the ride is 32 degree celius,determine how many calories of heat energy were absorb ?
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Use the data given below to estimate the temperature at which this reaction will become spontaneous under standard state conditions.
An intermediate step in the industrial production of nitric acid involves the reaction of ammonia with oxygen gas to form nitrogen monoxide and water. how many grams of nitrogen monoxide can form by the reaction of 425 grams of ammonia and 638 gra
The total mass of pure metals produced is 0.4684 g. Calculate the mass percent of AgNO3, CuCl2, and FeCl3 in the original mixture.
A biochemical engineer isolates a bacterial gene fragment and dissolves a 10mg sample in enough water to make 30ml of solution. the osmotic pressure of the solution is .340 torr at 25 degrees C. the molar mass of the gene fragment is 1.81x10^4 g/
Determine the work done by a 1-lb fluid system as it expands slowly within a piston-cylinder arrangement from an initial pressure and volume of 80 psia and 1 ft3, respectively.
You have a solution of sodium nitrate containing 140 g at 65 degrees celcius. How many additional grams of solute must be added to it to make the solution saturated.
If the reaction is CaC2 + 2H2O → H2C2 + Ca(OH)2, how many liters of acetylene gas at 1.00 atm pressure and 0.00 °C are produced from 75.0 grams of calcium carbide (CaC2)?
A sample consisting of various gases contains 3.6 * 10-6 mole fraction of radon. This gas at a total pressure of 33 atm is shaken with water at 30°C. Calculate the molar concentration of radon in the water.
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