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What mass of oxygen gas is required in order to release 6670 kJ of heat to the surroundings by the following reaction? CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g) ?H = -890.3 kJ
Suppose you measured the pressure with a barometer which was not vertical. You measured the pressure to be 752mmHg and then noticed the barometer
Calculate the final temperature of the solution assuming no heat is lost to the surroundings, the final mixture has a mass of 100.0 g and the solution has a specific heat capacity of 4.18 J °C-1 g-1
Describe Newman projection. Experiments have shown that for 1,2-dichloroethane, ClCH2CH2Cl, in carbon tetrachloride solution at 25C, 70% of the molecules are in the anti and 30% are in the gauche conformation
A student collects 22.4 mL of a gas by the process of water displacement at a temperature of 0 °C. If the barometric pressure is 764.6 torr and the vapor pressure of water at 0 °C is 4.6 mmHg,
If 4.00 mL of vinegar needs 41.5 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.80 qt sample of this vinegar?
A piece of metal of mass 27 g at 99?C is placed in a calorimeter containing 45.1 g of water at 21?C. The final temperature of the mixture is 38.7?C.
In the combustion reaction of 149 g of propane with excess oxygen, what volume of carbon dioxide if produced at STP?
If you want to feed everyone, but still have equal numbers of buns and hot dogs, what is the minimum number of packages of buns and hot dogs you need, respectively?
energy in amount of 433 J is added to a 80 g sample of water at temperature of 27 degrees Celsius. What will be the fianl temperature for the water?
what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane (for example) while Considering that octane molecules are hydrocarbon chains?
Assuming the earth is a perfect sphere with a radius of 6371 km and an atmosphere that extends from the surface to an altitude of 20 km determine the number of metric tons of the elements/compounds+
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
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