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Calculate the partial pressure (in atmospheres) of each gas, Assuming that the total pressure of the gases is 1.34atm{rm atm} and that their mole ratio is 94 : 4.0 : 1.5 : 0.50,
A single displacement reaction takes place as CS2 + O2 CO2 + 2S in which Carbon disulfide undergoes a single displacement reaction with Oxygen to form Carbon dioxide explain what will be the limiting reagent if 100 grams of CS2 reacts with 38 grams of O2,?
Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu). Calculate the atomic mass of the element X given the abundance of X-7 is 92.5%
Consider the case is which the volume and temperature of ONE mole of an ideal gas depends explicitly on the time, t. obtain an equation (a differential equation essentially)
In combustion studies of the use of H2 as an alternative fuel, HO is sometimes formed in flames by the reaction, H(g) + 1/2 O2(g) HO(g) Use the data below to calculate the value of Kc
the heat of reaction for the combustion of cyclobutane c4h8 is 650.3 kcalmol. what is the heat of combustion for
A system absorbs 192 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system
At standard temperature, a gas has a volume of 371 mL. The temperature is then increased to 131C, and the pressure is held constant. What is the new volume?
Calculate the CO3- concentration of a 5.45 x 10-4 M H2CO3 (carbonic acid) solution. Ka1 and Ka2 of carbonic acid are 4.3 x 10-7 and 4.8 x 10-11 respectively.
When 5.19g of NaCl is dissolved in 85.0 mL of water at 22.2 degrees Celsius, the temperature of water drops by 6.6 degrees Celsius. Calculate the heat of solution of NaCl.
One Step is a product sold as a cleaner/sanitizer and has the formula 2Na2CO3?3H2O2. If 15.175 g of this compound is dissolved in water and diluted to exactly 1 gallon as directed
The pH of 0.325g of aspirin (Molar mass 180.2) tablet in 0.5L water is 3.03, What is the pKa for weak, monoprotic acid aspirin? do not disregard x
One can approximate boiling point at reduced pressure using a pressure-temperature nomograph. What would you expect the observed boiling pint to be at 50 torr(mm) for a liquid that has a boiling point
Calculate the solubility-product constant for PbCrO4. Ksp = (c) The Ksp of Tl2S at 25 oC is 6.00e-22. What is the molar solubility of Tl2S? solubility = mol/L
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