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A sample of diatomic gas has a density of 0.002061 g/mL at 1.8 atm pressure and 25.0 °C. Identify the gas.
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
Assuming that N2 obeys the Van der Waal's equation, determine the Boyle temperature of 1 mol of N2 and determine the percent error in the answer knowing that the experimental value of the Boyle temperature
the anharmonicity constant is 117.90 cm^-1. Calculate the frequency at which the Q branch for the first overtone will be found.?
Calculate the mass of vapour present in a room of volume 250 meter cube that contains air at a temperature of 23 degree centigrade on a day when the relative humidity is 53%.
Helium is collected over water at 25°C and 1.00 atm total pressure. What total volume of gas must be collected to obtain 0.563 g of helium? (At 25°C the vapor pressure of water is 23.8 torr.)
Copper dissolves in nitric acid, producing copper (ll) nitrate. After reaction with sodium hydroxide and heating, copper nitrate changes to copper (ll) oxide. Calculate the percent yield of this process if 1.075 g of copper produced 1.075 g of cop..
How is hydrogen bond differnt from an ionic or covalent bond?
A compound is 40.0%C, 6.70%H, and 53.3%O by mass. Assume that we have a 100.g sample of this compound. What are the subscripts in the empirical formula of this compound?
The actual flow rate of blood into the lungs is roughly 5 L/min. Identify the assumptions made in the calculation of part (b) that are likely causes of the discrepancy between the calculated and actual blood flows.
A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0 mL volumetric flask and diluting to the calibration mark
Calculate the final temperature of 33 ml of ethanol initially at 20 degrees Celsius upon absorption of 541 J of heat. (density of ethanol =0.789 g/ml)?
Calculate the equilibrium concentration of Ag+ under these conditions.Ksp for Ag2CO3 is 8.1 x 10-12. Ag2CO3(s, excess)2Ag+(aq) + CO3-2(aq)
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