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C2H4(g) + 3 O2(g)-> 2 CO2(g) + 2 H2O
What volume in liters of O2(g) is required to form 46 L of CO2(g)? Assume both gases are measured under the same conditions.
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
A chemist wants to make 5.5L of a 0.280M CaCl2 solution.What mass of CaCl2 (in g ) should the chemist use
How many possible trisubstituted derivatives C6H3X2Y can be obtained from the para disubstituted benzene C6H4X2?
Calculate the molarity of the solution. How many grams of KNO3 are needed to make 450 mL of a solution that is to contain 5.50 mg/mL of potassium ion?
calculate the heat released when 166g of water at 23 degrees celcius is converted to ice at negative 10 degrees celcius
The solution density = 1.013 g/mL and suppose that the density of pure water =1.00 g/mL. Determine the molality of this solution?
A solution containing 100g of an unknown substance and 900g of water. The solution has a Freezing Point of -3.33*C. What is the molar mass of the substance?
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
Carbon and silicon belong to the same group and are known to have similar properties. Do you think that silicon can replace the role that carbon
cubic centimeter of rubber is worn off an automobile tire with each revolution of the wheel?
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
how many grams of potassium are present in 13.6g of K2Cr2O7
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