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The first order rate constant for the decomposition of N2O5 to NO2 and O2 at 70 degree celsius is 6.82 x 10^-3 s-1. Suppose we start with 0.300 mol of N2O5(g) in a .500L container. What is the half-life of N2O5 at 70 degrees celsius?
Find the volume of a gas inside a cylinder - What will be the resulting volume of this gas?
Furthermore, you conducted the experiment using Styrofoam coffee cups because of their effective insulation capabilities. Therefore, you were able to accurately measure the molar enthalpy change of the acid-base reaction.
Determine the mass of the hydrate and the mass of the sulfate after removing the water. 2. Calculate the number of moles of water and the number of the moles of the anhydrous sulfate
What is the concentration for each substance at equilibrium for the following gaseous reaction if the initial concentration of ethene,
assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the total heat capacity of the calorimeter.
1 calorie = heat required to raise temp. Of 1.00 g of H2O by 1.0 oC. Which has the larger heat capacity? How much energy is transferred due to T difference?
how do you calcalculate a cube of an unknown metal measures 1.61mm on one side. the mass of the cube is 36mg. which of the following is most likely the unknown metal rhodium, cooper, niobium, vanadium, or zirconium and explain why please.
A sample of chloroform is found to contain 10.5 g of carbon, 93.1 g of chlorine, and 0.88 g of hydrogen. If a second sample of chloroform is found to contain 20.8 g of carbon, what is the total mass of chloroform in the second sample?
If you drop 25 g warm nails initial temp 65.4 into coffee cup calorimeter that contains 100.0 g water at 20 degrees Celsius, what will the temperature be.
How much CH4, in grams, is needed to produce 50.0 grams of CHCl3?
A mixture of gas contains 46.3 % methane, 37.2% ethane and 16.5% propane(by mass). A 477g sample of the gass is burned with exces oxygen
A 75.0-mL volume of 0.200 NH3 is titrated with 0.500 M HNO3 . Calculate the pH after the addition of 19.0 mL of HNO3
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