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One mole as an ideal gas at 0 degrees Celsius and 1.00 atm pressure contains 6.022*10^23 molecules and occupies a volume of 22.414 L. What is the ratio of the mass of a single molecule of the ideal gas in the example, to its (molecular velocity)^2?
The mass of a golf ball is 45.9 g. If it leaves the tee with a speed of 78.0 m/s, what is its corresponding wavelength?
How much acid of 0.5N concentration would be required to fully neutralize an 8.6g sample of sodium stearate
The daily energy requirement for an active adult human is around 2500 calories per day. A nutritional calorie is equal to 4.2 kJ of energy. If each ATP contains -30 kJ/mol under standard conditions, how many molecules of ATP does the body require ..
Consider a 0.141 L solution of the amino aspartic acid (0.825 M), which has a carboxylic acid group (pKa = 2.10), an amine group (pKa = 9.82), and a carboxylic acid side chain (pKa = 3.86). How many liters of 2.63 M NaOH would you need to add to r..
Calculate the vapor pressure of a solution containing 27.2g of glycerin in 134ml of water at 30.0 C. The vapor pressure of pure water at this temperature is 31.8torr
Interestingly, Xenon has a high affinity for oxygen, and xenon fluorides are known to undergo hydrolysis to give the hydrohalic acid and the rare gas oxide similar to the following equation: XeF6 + 3H2O -> X + 6HF
A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.329 M. The same reactant decomposes with a half-life of 213 s when its initial concentration is 0.224 M. Determine the reaction order?
At a distance of 42 ft, an ionizing radiation source delivers 3.5 rem of radiation. How close could you get to the source and still have no biological effects
draw the molecular orbital diagram for o2. assuming that the 2p molecular orbital is from the 2pz atomic orbitals and
What is the percent purity of the calcium hydroxide if the titration requires 7.81 mL of the acid to reach the endpoint?
How would you prepare a sodium phosphate at pH 7. What species would you use, what concentrations. Remember phosphoric acid has three pKas
The heat of fusion, ?Hfus, of ethanol (C2H5OH) is 4.9 kJ/mol. The heat of sublimation of ethanol, for the process C2H5OH(s) ? C2H5OH(g) , is 43.5 kJ/mol. What is the heat of vaporization of ethanol?
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