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The reaction: 2C2H6(g) + 7O2(g)-----> 4CO2(g) + 6H2O(g) is exothermic. predict under what conditions of temperature (low, high, all or none) the reaction is expected to be spontaneous? Explain
A compound is found to be 26.95% sulfur, 13.43% oxygen, and 59.61% chlorine by mass. What is the simplest formula of the compound?
The combustion of ethanol, C2H6O (MW = 46.0 g/mol), produces CO2 (MW = 44.0 g/mol) and water (18.0 g/mol). In a lab experiment, the reaction occurs using 4.60 g of ethanol in a 1.00 L container at body temperature (310 K) and 0.970 atm according t..
0.01M HCl reacts with 3.18 g Na2CO3. Here 50 mL of HCl is required for the reaction. Calculate the volume of CO2 produced at 273 K and 1 atm.
Explain why the H-H distances determined for coordinated dihydrogen by X-ray diffraction are always significantly shorter than
nitrobenzenediazonium chloride occurs mainly para to the -N(CH3)2 group of N,N-dimethylaniline but ortho
A 12 L tank contains helium gas pressurized to 160 atmosphere. What size tank would be needed to contain this same amount of helium at 1 atmosphere
A 496-mL sample of a gas at 263 oC is cooled at constant pressure until its volume becomes 241 mL. What is the new temperature in oC?
A solution of ethanol (C2H6O) in water is sometimes used as s disinfectant. 1.00 L of this solution contains 553 g or ethanol and 335 g of water. What is the mole fraction of ethanol in this solution.
what is the pressure of dry H2 in mmHg. and in atm. Assuming the ideal gas behavior, how many moles of H2 gas were collected
Ammonia, NH3, can be synthesized by the following reaction: 2 NO (g) + 5 H2(g) -> 2 NH3(g) + 2 H2O(g) Starting with 86.3 g NO and 25.6 g H2, find the theoretical yield of ammonia in grams
Calculate the mass of nitrogen dissolved at room temperature in an 96.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
Describe the preparation of 1L solution of 0.02M Tris buffer, PH 7.8. 3. What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer,PH 5.0?
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