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The reaction between an antacid and a hydrochloric acid is given. Sodium hydrogen carbonate + hydrochloric acid gives salt (NaCl), water, and CO2 (gas). What's the volume of CO2 generated from 7.5 grams of sodium hydrogen carbonate and excess hydrochloric acid at standard temperature and pressure? Note: Plug moles of what's generated into ideal gas equation. Don't forgot to change temp into Kelvins.
What is the density in g/L of a gas mixture that contains 27% F2 and 73% He by volume at 714 mm Hg and 27.5 C.
A block of dry ice of dimensions 25 cm x 25 cm x 25 cm is left to sublime in a closed chamber of dimensions 4.00 m x 5.00 m x 3.00 m. The partial pressure of carbon dioxide in this chamber at 25 C will be
Ammonia (NH3) can be commercially manufactured using a variety of different processes. Feedstocks for these various processes range from wood, peat, coal, natural gas or oil. What different processes can be used to manufacture ammonia NH3
calculate the molar change in chemical potential of an ideal gas that expands 10 times of its original vol. at 100k
A student mixed 50.0 mL of 0.50 M H2SO4 (aq) at 18.5 degrees C with 100 mL of 0.50 M NaOH (aq) at the same temperature. After the reaction was completed, the temperature rose to 22.0 degrees C. What was the heat of reaction? (Assuming the densitie..
Calculate the heat of formation of propane given the heat of formation of H2O (liquid) is -285.3 kJ/mol and the heat of formation of CO2 is -393.5 kJ/mol.
separate Pyridine Pka of conjugate acid:5.30 and phenol pka :10 using reverse phase HPLC, you and your lab partner are both eligible for the same promotion
Calculate the temperature in K for a blackbody radiation with ?max = 700 nm. ( the wavelenght corresponding to the maximum in the planck distribution at the temperature T)
Why is the number of microseconds in a week NOT considered an exact number? Aren't there 10^6 microseconds in a second, 3600 seconds in an hour, 24 hours in a day, and 7 days in a week?
Based on the sign of E°cell, classify these reactions as spontaneous or nonspontaneous as written. Assume standard conditions. Al3+(aq) + 3Na(s) ---->Al(s) +3Na+(aq) 3Fe2+(aq)+2Cr(s)---->3Fe(s)+2Cr3+(aq) Zn2+(aq) + Sn(s)---->Zn(s) + Sn2+(aq)
Calculate kp given that the initial pressures of nitrogen are 95 atm and 80 atm, respectively, and the equilibrium pressure of nitrogen oxide is 6.0 atm. I know the answer is 5.1x10^-3. I am trying to find how is that number possible.
A solution of hydroiodic acid is 0.057 M HI. What is the hydronium-ion concentraion at 25 degrees C?
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