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Write Chemical Equation for the following (if heat or catalyst needed- specify)
a. H2C=CH2(g) + H2(g) -->
b. H2(g) +Cl2(g) --> 2
c. Al(s) + 3 HCl(aq) -->
d. WO3(s) +3 H2(g) -->
e) CaH2(s) + H2O(l) -->
Write a series of nuclear equations to represent the bombardment of Al-27 with a neutron to form a product that then undergoes an alpha decay followed by a beta decay
Compare the percent ionization of the base in (a) with the percent ionization of the base in (b).
Classify each of the following solutions as acidic, basic, or neutral. Explain how you reached this conclusion.
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.490M NaC2H3O2 ? For MnS, Kspa=3x10^7
An aqueous solution is made by adding 50mL of 4.0 M NaCN to 30mL of 5.0 M HCN. Compute the pH of the solution.
If it takes 0.0458 L of oxygen gas kept in a cylinder under pressure to fill an evacuated 6.96 L reaction vessel in which the pressure is 0.980 atm, what was the initial pressure of the gas in the cylinder
What is ?, the electromotive efficiency to three significant figures?? Open the hint panel below for the definition of electromotive efficiency. (d) What is the pH of an unknown that gives a reading of 19.6 mV with this electrode at 30°C?
The poison strychnine is a weakly basic compound with Kb = 1.8e-6. What is the pH of a 0.058M solution of strychnine
At 50 C, the solubility of silver chloride, AgCl is 5.2 x 10^-4 g/100mL. Calculate the Ksp at this temperature.
What is the molarity of a solution of 12.0 g of NH4Br in enough H2O to make 240 mL of solution?Answer in units of M.
An aqueous solution of glycerol, C3H8O3, is 4.8 molal and has a density of 1.120 g/mL. Calculate the molarity of the glycerol solution
A compound containing only C, H, and O, was extracted from the bark of the sassafras tree. the combustion of 88.5 mg produced 241 mg of CO2 and 49.2 mg of H2O. the molar mass of the compound was 162 g/mol.
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