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If the flask has a volume of 0.150 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium?
Given the reaction 2C2H2(g) + 5O2(g) ->4CO2(g) + 2H2O(g) , how much oxygen gas is needed for the complete combustion of 167 g of acetylene (C2H2)? Answer in units of g
what the oxidation state P in PO4^-2? what the oxidation state O in PO4^-2?
A disinfectant solution is made by dissolving 4.50 g of hydrogen peroxide (H2O2) in 143.2 g of water. Calculate the mass percentage of hydrogen peroxide in the solution. What is the concentration of hydrogen peroxide in parts per million? What is ..
A 36.4 L volume of methane gas is heated from 25 degrees celcius to 88 degrees celcius at constant pressure. What is the final volume of the gas?
A fixed quantity of gas at 24 C exhibits a pressure of 745 torr and occupies a volume of 4.40 L. Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is held constant.
The amount of heat needed to raise the temperature of 25 g of a substance by 15°C is 915 J. What is the specific heat of the substance?
Since cereal sample may have other materials other than Fe that absorbs light. Using cereal sample as the blank can eliminate these absorption so that the transmittance was solely due to Fe.
The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K
How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.
Hypochlorite Oxidation of Cyclohexanol to Cyclohexanone, Basically in this experiment, we took some cyclohexanol and reacted it with hypochlorite to form cycohexanone.
Determine hydroxyl and hydrogen ion concentration in this solution. (if Ka for ammonium ion = 5.0 x 10^-10.)
Methane and hydrogen sulfide form when 36g H2 texts with carbon disulfide. Calculate the percent yield if the actual yield of CH4 is 69.8g.
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