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Write an overall, balanced equation for the reaction of Na2SO3 with CH3CO2H, and name the reactants and products.
Calculate the pressure that CCl4 gas will exert at 40 degrees celsius if 1.00 mol occupies 28.0 L, assuming that: A. CCl4 obeys the ideal-gas equation
Calculate the pH in the solution formed by adding 10.0 mL of 0.100 M HCl to 20.0 mL of 0.100 M NH3
Starting with 3.30 moles of HBr in a 12.0 L reaction vessel, calculate the concentration of H2, Br2, and HBr at equil.
A 97 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
A solution contains a mixture of Cl- and Br- ions. Can both be positively identified? Briefly explain. Write appropriate equations to support your answer.
What is the rate law for the reaction? Please show step by step solution.
What is the formula that relates the temperature change obsereved in a substance with the energy released or abosrbed? when you measure a temperature rise during a chemical reaction, is the reaction endothermic or exothermic?
How can one tell from a reaction diagram whether a reaction is exothermic or endothermic?
When 50.0 mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH for each of the following: Ka of formic acid = 1.8 x 10^-4 Be sure to account for volume changes at each step.
A steel cylinder holds 150.0 mol argon gas at 25 degrees C and a pressure of 9.53Mpa. After some argon has been used, the pressure is 2.00Mpa at 19 degrees C. What mass of argon remains in the cylinder.
You will need two series of standard solutions to calibrate your ion-selective electrodes - one series for sodium and one for calcium.
What wavelength, of light would be necessary to ionize an electron at the n = 3 state in a He+ cation
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