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A sample of gas (1.9 mol) is in a flask at 21 °C and 697 mm Hg. The flask is opened and more gas is added to the flask. The new pressure is 795 mm Hg and the temperature is now 26 °C. How many mol of gas are in the flask?
Octane is a major component of the gasoline for cats and trucks. When octane burns it produces carbon dioxide,water and energy. 43 500 kJ of energy is needed to drive a car 350 km. calculate how many grams of octane are needed to provide this ..
Use the stoichimetery of the equation and the dilute titanium 4 chloride solution for the following: How many moles of solid product can be formed?
If 0.785 mole of ammonia gas occupies 24.5 L at 0.853 atm, what is the Celcius temperature
Calculate the adiabatic flame temperature if one mole of CH4(g) is burned in two moles of O2(g) at an initial temperature of 298 K. Assume that the combustion occurs at constant pressure according to the reaction
We do not have a reliable method for determining the number of molar equivalents of bleach being added because commercial preparations vary in concentration and "oxidizing power
Assuming that the tablet contained only calcium carbonate and an inert binder calculate the mass of calcium carbonate and mass percent of calcium carbonate.
What is the the molar composition of the products when a stream of CH4 is combusted with 5% excess air if you have 1600 moles per hour of methane being fed into the reactor
give one piece of experimental evidence that more than 1 mole of particles is formed when 1 mole of a salt dissolves in
The annual production of zinc sulfide (ZnS) is 3.5 104 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal.
The Al2O3 does not react. If the sample residue weighs 2.489 g, what is the mass fraction of Fe2O3 in the original sample?
when 1 gram of nitroglycern c3h5no33 decomposes to form nitrogen gas oxygen gas gaseous carbon dioxide and liquid water
chemistry mixture of gases contains 0.200moleO2 o.4oomole N2 and 0.600mle H2 at 2.00 atm pressure what is the partial pressure of N2 in the mixture.
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