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It takes 12 hours for half of the He in a container to leak out. If the same container is refilled with Ne, how long will it take for half of the Ne to leak out?
Determine the pressure, in torr and atm, of 3.94 mol carbon monoxide gas in a 4.25 Litre tank at temperature 31 degrees Celsius.
Consider a galvanic (voltaic) cell that has the generic metals X and Y as electrodes. If X is more reactive than Y (that is, X more readily reacts to form a cation than Y does),
List five food product would give a positive iodine-starch test for carbohydrate mention somthing beside potato
For each species listed, indicate the hybrid orbital set (sp2, sp3d, etc) employed by the central atom
calculate the volume of carbon dioxide, measured at 273 k and 1.01 x 10 5 Pa, which would be produced when 1.25 g of calcium carbonate reacts completely with the hydrochloric acid.
What is molarity of NaOH solution if 26.0ml of 0.380 M H2So4 solution is required to neutralize a 25.0ml sample of the NaOH solution
If a 1000 kilogram sample of rock is 0.021% gold by mass. How much zinc is needed to react with the gold extracted from the rock?
The following plot shows experimental data from a reaction. What is the third half life of the reactions if the slope of the plot if 0.0023 1/M*s and the y-intercept is 0.45 1/M ?
He finds that the total pressure at equilibrium is 40% greater than it was originally. What is Kc for this reaction?
A gas sample has an original volume of 680 ml when collected at 720mm and 28C. what will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 55C?
Calculate the pH of a solution that is 0.253M in nitrous acid (HNO_2) and 0.111M in potassium nitrite (KNO_2). Acid dissociation constant
N2 +3 H2 - 2NH3 Suppose that at a particular moment during the reaction, molecular hydrogen is racting at the rate of 0.074M/s. what is the rate of formation of ammonia
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