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The net ionic equation for: Barium Chloride + Potassium Iodate, Barium Chloride + Lead (ii) Nitrate, Potassium Iodate + Sodium Chloride, and Potassium Iodate + Sodium Hydroxide
a 10.00-ml sample of vinegar which is an aqueous solution of acetic acid hc2h3o2 is titrated with 0.5062 m naoh and
Problem- A 17.01 g sample of Mo2O3(s) is converted completely to another molybdenum oxide by adding oxygen. The new oxide has a mass of 18.15 g. Add subscripts below to correctly identify the empirical formula of the new oxide.
air initially occupying 1 m3 at 150 kpa 20degc undergoes an internally reversible compression during which pvn
What is the empirical formula of compounds: ethyne (C2H2) and styrene (C8H8). Explain the relationship between ethyne and styrene's empirical formulas and their properties.
Calculate the number of grams of Al2o3 that could be produced if 2.5 g of aluminum and 2.5 g of oxygen are allowed to react according to the following balanced equation.
The gas above the top liquid is at an absolute pressure of Pg. Furthermore, the densities and heights of liquid 1 and liquid 2 are P1 and P2 , and L1 and L2 , respectively. In terms of these given symbols, waht is the absolute pressure at the bott..
Consider the reaction between 50.0mL of 0.200 M sodium hydroxide and 75.0mL of 0.100 M HCL. Which of the following statements is correct
an aq cacl2 solution has a vapor pressure of 81.6mmhg at 50 degrees c. the vapor pressure of pure water at this temp is
concrete etching solution can be used to clean concrete before paining it. the directions tell you to dissolve 680g of
Explain what is the pH of a 1.00 L solution which primarily has 0.051 mol acetic acid and 0.029 mol sodium acetate once 0.006mols of NaOH has been added. Ka for acetic acid is 1.8x10-5. Explain what are the new concentrations of weak acid and weak..
A 7.8g sample of C6H5NH3Cl is dissolved in water to make 450.mL of solution. What is the pH of the solution? pKb(C6H5NH2) = 9.37.
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
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