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What are your weight in new tons and your mass in kilograms. (In Europe, you would "weigh" yourself in kilograms or "kilos.") Astronauts walking on the Moon are seen "bounding" rather than walking normally. Why is this?
a student prepares benzoic acid by hydrolying 6.47g of methyle benzoate (FW 136.15g/mol) using excess sodium hydroxide. If the student recovers 3.71g
How many BTUs are required to change 5 pounds of water at 70° F to 5 pounds of steam at 250° F? The heat capacity of steam is 0.45. The heat capacity of water is 1
calculate the expectation values of p and p^2 for a particle in the state n=1 in a square well potential
A cube of aluminum metal has a mass of 55.6 at 25 degrees Celsius. If the density of aluminum is 2.79 g/cm^3, what is the length of the side in inches?
What is the volume in mL of 0.762 M HCl(aq) needed to reach halfway to the equivalence (stoichiometric) point in the titration of 41.9 mL of 0.457 M N2H4(aq) (Kb = 1.7 x 10-6).
Which of the following substances is more likely to dissolve in liquid CS2. a). Sodium Iodide b). Lithium Iodide c). Iodine d). Potassium iodide
Compute percent C16H34 that reacted to form CO(g) in the process. If experiment carried out at constant V, how much heat would have been released?
How do chemists envision reactions taking place in terms of the collision model for reactions?
If the specific heat of the solution is 4.18 J/g(g*degreesC), calculate delta H for the reaction, as written. Ba(s) + 2H2O(l) = Ba(OH)2 (aq) + H2 (g) Delta H=?
Synthesize p-nitrophenol from 1,4-dinitrobenzene. Also, please explain how you would go about reacting only one group on a disubstituted benzene ring with two of the same groups.
A copper cathode with an initial mass of 10.77 g is placed in a solution of CuSO4. After current has passed through the electrode for 15.0 minutes the cathode has a mass of 12.89 grams. Determine the amount charge (in Coulombs) that has passed thr..
Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
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