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what is the molality of ethanol in a solution made by dissolving 14.6g of ethanol, C2H5OH, in 53.6 g of water?
Calculate the mass of water formed by the complete reaction of 935 g of propane (C3H8) with excess oxygen. (Write a balanced equation)
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.066 moles of sulfuric acid is mixed with water to make 192 mililiter of solution, what is the molarity of H+?
The rate constant for a certain chemical reaction is 0.00250 M1 s1 at 25.0C and 0.0125 M1s1 at 50.0C. What is the activation energy for the reaction, expressed in kJ mol?
The compound aluminum chloride is widely used to control chemical reactions in industry. It is made by the following reaction: Al2O3(s) + 3C(s) + 3Cl2(g)→ 2AlCl3(s) + 3CO(g)
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
A sample of laughing gas occupies 500.0Ml at a standard temperature and pressure . what volume will the gas occupy at 95.0oC and 525 torr.
How much heat is absorbed when 5.53 mol of NH4NO3 solid is dissolved in water? (Heat of soluton = 25.7 kJ/mol)
Calculate how the amount of AgCl(s )will change when the equilibrium is disturbed by Adding AgNO 3
Calculate the amount of heat required to completely sublime 14.0 g of solid dry ice (Co2) at its sublimation temperature
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
Calculate the molar solubility of bismuth sulfide, Bi2S3 (Ksp = 1.6 x 10-72) in (a) pure water, and (b) 0.05 M cadmium sulfide, CdS
Consider the combustion of ammonia: 4 NH3(g) + 3 O2(g) 2 N2(g) + 6 H2O(g). If N2 is produced at the rate of 0.63 mol/s, what is the rate of consumption of NH3?
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