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A sample of atomic hydrogen (not diatomic, ignore fine structure) contains slightly more than 1 mole of atoms such that exactly 1 mole of them are in the ground state. At what temperature should we expect to find exactly 1 atom in the n = 3 state?
Calculate the pH of a solution made by adding 51 g of sodium acetate, NaCH3COO, to 18 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution. Hint given in feedback.
What can you conclude from these results? -- Need 4 of them because I'm lost. Also, how can I estimate the useful range of a pH meter?
what is the percent yield of the enzyme recovered in the purified fraction. what is the degree of purification (fold purification
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
Time is second in a trial are 0,300,600,900,1200,1500,1800. Explain what total time average for mAmp is. And MilliAmp current is 27.2, 29.9, 30.7, 31.1, 31.4, 31.5, and 31.6. Define what is total for time average for mAmp
Calculate the kinetic energy of an electron ejected by a photon with wavelength 1.91 x10^2 nm from a metal with a binding energy of
Titration of the newly freed EDTA required 18.0 mL of 0.0210 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution?
Working with partition function and entropy what is the ratio of the number of particles in the J= 14 to the J=4 level at a temperature of 1900 K?
The temperature of a 150 gram drinking hlass decreased from 25 to 14 * C as 200 grams of water were added
calculate the formal charge on the indicated atom in each of the following molecules or ions. some molecules may have
Assume that the relative yield of the products in your experiment will be proportional only to the numbers of hydrogens that give each product when substituted for by chlorine.
Problem- Water is added to 1.3 g of sodium fluoride to give a 0.13 M solution of sodium fluoride. What is the final volume of the solution. In mL illustrate two decimal places in your answer
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