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1.Combustion of a hydrocarbon in air produces carbon dioxide and water. How many kilograms of CO2 are produced when a 0.15 m^3 sample of C8H18(l) whose density is 0.69 g/ml is combusted in the air?
2.If 70.0 g of H2S and 125.0 grams of O2 are present in a reaction mixture how many grams of each reactant will be left unreacted upon completion of the reaction 2H2S+ 3O2 -> 2SO2 + 2H2O
3.3.00 g of TiCl3 was produced from 3.513 g of TiCl4 and an excess of Ti according to the reaction; 3TiCl4 + Ti -> 4 TiCl3 What is the percent yield of TiCl3
4.Aluminum and sulfur react at elevated temperatures to form aluminum sulfide as shown by the equation:
2Al +3S -> Al2S3
In a certain experiment, 125 g of Al2S3 was produced from 75.0 g of Al and 300.0 g of S. What is the percent yield of Al2S3?
a cylinder of compressed gas is labeied composition mole 4.5 h2s 3.0 co2 20 co remaainder n2. the pressure gauge
Suppose you titrated a sample of acetic acid (monoprotic acid) with a 0.125 M solution of NaOH. Given the data in the table below, what is the concentration of the acetic acid solution?
a 3.0 l sample of sih4 gas at 356 mm hg pressure and 25degc is allowed to react with o2 gas. what volume of o2 gas in
Why not privatize local fire departments who would sell their services directly to customers? What problems and advantages would result from such a system?
What mass remains after 86.8 hours have passed? Since the decomposition is a radioactive decay reaction, it is first order.
Problem- Suppose sodium hydroxide was added to a 0.0057 M solution of zinc nitrate wuch that the pH of the solution is 12.89. What is the equilibrium concentration of Zn^2+
Aluminum has a specific heat of 0.880 J/g-deg. How many joules are needed to heat 155g of Al from 20.0oC to 75.0oC
the enthalpy of formation of compound x is -612 kjmol and the sole product of its combustion has a enthalpy of
Nitrogen forms several gaseous oxides. One of them has a density of 0.869 g L-1 measured at 764 mmHg and 150°C. Write the formula of the compound.
then dried the flask and added some pieces of titanium to it. the stoppered flask plus the titanium weighed 64.763g. then filled the flask w/water, leaving the titanium pieces in the flask, and found a mass of 67.561g for the flask plus titanium a..
List the species in order of increasing bond energy and in order of increasing bond length. S22-, S2-, S2, S2+, S22+
a1.15 g sample of dry ice is added to a 765 ml flask containing nitrogen gas at a temperature of 25.0 c and a pressure
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