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How much PV work is done (in kilojoules), if 90.0 g of ethylene and 125 g of HCl are allowed to react at atmospheric pressure and the volume change is -71.9 L?
Sodium azide, NaN3 , is made for use in car 'air bags'. When this compound is heated to 300 degrees celsius, it rapidly decomposes into its elements.
Calculate how many grams of phosphorus are present in 2.68 moles of phosphorus pentachloride(PCl5) and also determine the numbers of moles of chlorine are present in 3.71 grams of phosphorus pentachloride?
A baseball pitcher's fastball is clocked at 100 miles per hour (mph). Calculate the wavelength of a 141 g baseball in nm at this speed.
Using the reaction 2C6H6+15O2--->12CO2+6H2O, what volume of carbon dioxide will be produced when 128.0 grams of benzene react.
Calculate the amount of heat liberated (in kJ) from 399 g of mercury when it cools from 73.0°C to 12.0°C.
Consider the following observations taken on successive, cloudless autumn mornings. On the first day, a considerable amount of frost is on the grass at sunrise. On the second day, only dew appears on the grass. On which day is the temperature incr..
At 50 degree's Celsius the vapor pressure for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degree's Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an..
Determine mass of water is contained in 2.8 Litres of the vapor in this solution at 55 degree celcius temperature express your answer in grams
what should the stock concentration of atp be so that if you pipette a 100 uL aliquot you will obtain a final concentration of 2mM in an assay volume of 3.0 mL
a stock solution containing cobalt ions was prepared by dissolving 393 grams of pure cobalt metal in nitric acid and diluting to a final volume of 8.75 L. Determine the concentration of the stock solution.
calculate the volume of nitrogen gas produced from 195.0 grams of sodium azide at 27.0 celsius and 836.0 mmHg pressure
Using a phosphorus 12.39 g sample that reacts with 42.54 grams of chlorine to produce only phosphorus Trichloride (PCl3). If it is the only product, determine what mass of PCl3 is formed?
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