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Are BEV's or hydrogen fuel cell vehicles a more promising transportation technology for the future? Should car companies be required to produce eletric cars?
How many grams of a sugar (MW 180 g/mol) must be dissolved in 50 mL of aqueous solution to produce an osmotic pressure of 250 toor. The sugar does not dissociate.
what gas are evolved from the acidified solution of hydrolyzed albumin? write equationfor the reaction of the gas with lead II acetate?
The root-mean-square (rms) speed of a sample of molecules was found to be 1.8 x 10^3 m s at 25C. After heating, the rms speed was found to be 4.6 x 10^3 m s. What was the temperature of the sample after heating
boyles law states that when a sample of gas is compressed at a constant temperature the pressure and volume satisfy the
Consider the following generic chemical equation. 2A+4B ---> 3C. What is the limiting reactant when each of the following amounts of A and B are allowed to react? 2 mol A; 5 mol B 1.8 mol A; 4 mol B 3 mol A; 4 mol B 22 mol A; 40 mol B
A 9.75-L container holds a mixture of two gases at 45 °C. The partial pressures of gas A and gas B, respectively, are 0.186 atm and 0.820 atm. If 0.190 mol of a third gas is added with no change in volume or temperature, what will the total pr..
The reuseable booster rockets of the U.S space shuttle emmploy a mixture of aluminum and ammonium perchlorate for fuel. A possible equation for this reaction is: 3AL(s)+3NH3ClO4(s) -> AL2O3(s) + AlCl3(s)+ 3No(g)+ 6H2O(g)
In lab we are doing chemical kinetics. We started off with 0.7550 M of Oxalic acid and then added water and 0.1300 M of Permanganate. For the first trial, 5 mL of Oxalic acid was used, then 6 mL of water were added and then 1 mL of Permanganate we..
Calculate the millimoles of sodium hypochlorite used in the reaction: 2.3mL of a 5.25% solution (Clorox). Compare this value with the quantity of cyclohexanol to be used in the reaction. Would you describe the oxidant as being present in slight ex..
A collapsing star is estimated to have a mass of 1.0 x 1024 kg and a volume of 4.35m^3. Compute the density of the star in grams per milliliter.
Compound A, C14H10, absorbed only 2 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to yield compound B, C14H14. On ozonolysis, compound A gave only benzoic acid, C7H6O2. Draw the structure of compound B.
Calculate the heat capacity of a calorimeter if the combustion of 4.664 g of benzoic acid led to an increase in temperature of 7.146 degrees Celsius.
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