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Use the Rydberg equation to calculate the wavelength in nanometers of the spectral line of hydrogen for which n2 = 4 and n1 = 2.
Report your answer to four (4) significant figures.
For each pair of compounds below, indicate the more reactive in the type of mechanism specified. Briefly state why. Explain the smallest molecular dipole moment
What was the mass percent of dissolved solids in the sea water? b.) The actual solution chloride content in the sea water was 2.69%
A .500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 3.69x10^-3M. Find the dissociation constant for this acid.
C12H22O11(aq) + 3 O2(g) 2 H3C6H5O7(aq) + 3 H2O(l) Determine the mass of citric acid produced when 4.60 mol C12H22O11 is used.
While in Europe, if you drive 111 per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 34.0 ?
container it was heated to 800K, and at equilibrium the pressure of CO ws found to be .497 atm. Calculate the equilibrium constant Kp for the reaction.
Suppose that 0.35 mol of hydrogen gas and 0.35 mol of clorine gas are placed in a 1L reaction vessel at a certain temperature, and the following reaction comes to equilibrium
In which state is the average distance between molecules the greatest?, Explain the difference in densities at the two temps in terms of the kinetic molecular theory.
How many milliliters of 0.200 M NaOH will be required to titrate 19.6 mL of 0.479 M H2SO4
how many moles of glucose C6H12O6 can be burned biologically when 10.0 mole of oxygen is available
The molar mass of corn oil is 890g/mole. How many moles and how many grams of sodium hydroxide are required to react with the 15mL (13.7g) of corn oil? Show your calculations.
A sample weighing 25g starts at 99 degrees celsius. It is put in a calorimeter containing 100g water. The water temperature begins at 20 degrees and both water and sample reach equilibrium at 32 degrees. What is the specific heat of the sample?
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