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Explain why the rates of diffusion of nitrogen gas and carbon monoxide are almost identical at the same temperature.
what is the percent h2so4 for a solution consisting of 4.62 equivalencies of h2so4 mixed
You need to produce a buffer solution that has a pH of 5.10. You already have a solution that contains 10 mmol (millimoles) of acetic acid.
a cylinder measuring 3.4 cm wide and 4.0 cm high is filled with gas. The piston is pushed down with a steady force measured to be 275 kpa
A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?
Write the rate expression for the reaction C) Calculate k for the reaction D) When [S2O8 2-] = 0.105 M and [I-] = 0.0875 M, what is the rate of the reaction at the temperature of the experiment?
A canister is filled with 310 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the canister is empty. How much energy in calories was absorbed?
What mass of H2 forms if 12 grams of Zn reacts with 7 grams of HCl?
Show how many µL of protein sample you will take and add with the desired volume of DTT and Laemmli buffer to make the right concentration of sample.
When 28.6 kg of Fe2O3 react with 17.2 kg of CO and 6.3 kg of Fe are recovered, what is the percent yield for the reaction?
The half-life of tritium (31H) is 12.3 years. If 55.0 mg of tritium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 49.2 years?
Calculate the pH of a buffer solution formed by adding 28.75 grams of sodium lactate (NaC3H5O3) to 450.0 mL of 0.550 M lactic acid (HC3H5O3) solution
a 175.0g sample of a compound contains 56.15g C, 9.43g H, 74.81g O, 13.11g N, and 21.49g Na. What is the compound's empirical formula?
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