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5.88grams of barium chloride are mixed with excess potassium sulfate. The reaction yields 5.65grams of barium sulfate.
barium chloride(aq) +potassium sulfate(aq)barium sulfate(s) +potassium chloride(aq)
consider the results of an experiment in which nitrogen dioxide reacts with ozone at 2 different temperatures, 13 degrees Celsius and 29 degrees Celsius. If the activation energy is 29 kI/mol, but what factor does the rate constant increase with t..
(a) Calculate the percent ionization of 0.00190 M acetic acid (Ka = 1.8e-05). % ionization = % (b) Calculate the percent ionization of 0.00190 M acetic acid in a solution containing 0.0710 M sodium acetate. % ionization = %
Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN. For HCN, Ka = 4.9 x 10^-10 (pka = 9.31). Use the equilibirum approach to calculate
What is the pH at the equivalence point of a titration of 0.20 M formic acid with 0.20 M NaOH. (Ka for formic acid = 1.8 x 10-4) I'm not sure how to get this without the mL.
Problem- For the following reactions, identify the type (combination, combustion, decomposition, displacement, methathesis [double-displacement)] neutralization), balance the reaction, and for the redox reactions identify the oxidizing agent and r..
Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.
calculate the amount of heat needed to boil of ethanol beginning from a temperature of . round your answer to
Ammonia rapidly reacts with Hydrogen Chloride, making ammonium chloride. Calculate the number of grams of excess reactant when 3.80g of NH3 reacts with 4.20g of HCl
Elemental exonium (not a real element) consists of 2 major isotopes Abundance Mass 31% 95 amu,69%. 118 amu What is the atomic weight for exonium.
Explain How to determine this A sample of 2.0 moles of a metal reacts completely with excess oxygen to form 62.0 g of M2O. Explain what element is represented by the symbol M
here why is the -NHCOCH3 group less activating in electrophilic substitution compared to the -NH2 group
CH3OH(g)-> CO(g) + 2 H2(g) H = +90.7 kJ Calculate E when 335.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
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