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Problem- 1.Propane, C3H8, is a component of natural gas. What is the molar mass of propane?
How many grams of carbon are in 30. kg of propane?
1) What volume of hydrogen gas is required to produce 2.1 mL of hydrogen bromide gas? Molecular formula- HBr
2) A spaceship's maneuvering engine burns hydrogen and oxygen. Hydrogen is to be delivered to this engine at 1.1 atm pressure and 1500 L is required for a planned maneuver. What pressure must the holding tank be charged with if its volume is 26 L? Assume constant temperature.
3) How many moles of helium are needed to fill a balloon of volume 75 L at 22°C and 1.0 atm pressure?
Solve the questions given above in detail thus I will get good grades in exams
Compute the pH of the titration solution before any acid is added, when the titration is 1.00 mL short of the equivalence point, when the titration is at the equivalence point, and when the titration is 1.00 mL past the equivalence point.
cadmium borate solution is mixed with 147.3 mL of a 0.606 M cadmium borate solution. Assuming volumes are additive, what is the molar concentration of cadmium ion in the resulting solution?
The value that should be reported for the number of moles of gas calculated from the ideal gas equation given the following data (R = 0.08206 L•atm/mol•K, P = 76.00 cmHg, V = 1.000 L, and t = 1°C) is
The engine stops working when the temperature of the hot reservoir has been lowered to TC. Show that the amount of work done by the engine is W = C1(TH-TC) - C1TC ln (TH/TC).
a. HNO3, a strong acid, is added to shift the Ag2CO3 equilibrium to the right. explain why shift occurs b. What would have been observed if HCl had been added instead
Calculate the pH at 25 degrees C of a 0.25-M aqueous solution of oxalic acid (H2C2O4). (Ka1 and Ka2 for oxalic acid are 6.5 x 10^-2 and 6.1 x 10^-5, respectively.)
The reaction between hydrochloric acid and zinc metal produces hydrogen gas and zinc chloride. If 50g of each hydrochloric acid and zinc are mixed
What is the equilibrium constant Kc for the reaction below? Assume temperature is 25oC. (Represent the reaction below as a sum of reactions and then combine the corresponding K values to obtain Kc for the reaction below.)
Calculate the pH at the following points during the titration of 100.0 mL of 0.20 M acetic acid (Ka for acetic acid = 1.8 x 10-5) with 0.10M sodium hydroxide
Does precipitate only form when two solutions are mixed. Or could a solid and an aq solution produce a precipitate. For example: Mg (s) + CuSO4 (aq) -> MgSO4 (aq) + Cu (s)
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the weak acid H2CO3 (aq)
What is the enthalpy of this reaction. Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water. Enter your answer in kilojoules per mole of compound t..
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