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Problem- A student performed the experiment described in this chapter. A 2.50mL aliquot of 3.33% wt/wt solution of hydrogen peroxide (MM= 34.016 g/mol) with density 1.15g/mL. The water temperature was 24.0°C after the reaction and the barometric pressure in the lab was 30.12in. of Hg.
Calculate the pressure of the O2 gas collected in atm.
Solve the above problem in detail no word count
Draw a Lewis structure for one important resonance form of HNO3(HONO2). Include all one pair electrons.
water has a mass per mole of 18.0 gmol and each water molecule h2o has 10 electrons. a how many electrons are there in
The following label was found on a bottle of liquid hydrocarbons in the laboratory of Dr. Ima Turkey following his disappearance under mysterious circumstances. Although the name defines a structure unambiguously
What is the molar enthalpy of solid sodium hydroxide reacts with an aqueous solution of hydrochloric acid, forming water amd an aqueous solution of sodium chloride?
An open container holds 0.550 kg of ice at - 15.0 degree celsius. The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 800 J/min for 500 min .
What is the formula and molarity of the salt produced by the reaction of 17 mL of 0.33 M H2SO4 and 44 mL of 0.23 M Sr(OH)2
Calculate the pH of a buffer solution made by adding .83 g of sodium acetate trihydrate [(NaC2H3O2)-3 H20] to 50 ml of .100 M acetic acid
The patient's stomach contained no ingested food or drinks, thus presume that no buffers were present. Explain what was the pH of the gastric juice
Water gas a mixture of h2 and co2 is a duel made by reacting steam with red hot coke ( a by product of coal distillation):
What is the rate of reaction when the initial concentrations of NO and O2 are 0.030 M and 0.025 M, respectively? 2 NO(g) + O2(g) --> 2 NO2(g)
Calculate the pH of 1.00 L of the buffer 1.01M CH3COONa/1.01M Ch3COOH before and after the addition of the following species. (Assume there is no change in volume). (a) pH of starting buffer:
why helpful.source site should show IGC,ILC, Trouble shooting and column packing
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