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What is the wavelength of a light ray if its frequency is 4.64 x 1014 s-1? Please put your answer in units of nanometers (nm).
linear polystyrene has phenyl groups that are attached to alternate not adjacent carbons of the polymer chain
volatile solute was dissolved in 40.0 grams of CCl4. The boiling point of the CCl4 was raised by .357 Degrees C. Kb for CCl4 is 5.02 C/m find the molar mass of the solute.
What is the solubility of lead fluoride in a solution of 0.050 M of sodium fluoride?
find out the exact significant figures for each of the values.indicate the number of significant figures in each of
At 27.7mL sample CO2(g) was collected over water at 25.0 degrees celsius and 1.00 atm. What is the pressure in torr due to CO2(g)?
A 130 mL stock solution contains 1.5 M CuF2. When 11 mL of the stock solution is diluted to 23 mL, what will the concentration of F- ions be?
A first order decomposition reaction has a half-life of 60yr. What percentage of the original amount is left after 164years. (give answer to 3 sig figs using E notation)
the definition of Lewis acid and base but when the problem like below is given i don't know what to do. Can you thoroughly explain step by step to figure out which is which?
Write the mass balance equation and charge balance equation for a solution that is 0.1 M FeCl3 and 0.2 M FeCl2
How many photons are required to heat 235 mL of coffee from 25.0 C to 62.0 C? Assume that the coffee has the same density, 0.997g/mol , and specific heat capacity, 4.184 J?g*K, as water over this temperature range.
Which of the following does not have higher exp. S (entropy) than calculated S in pure H20, Which of the following effects is explained through ion pairing
the pressure on a 625 ml sample of gas is changed from .925 atm to 1.45 atm. what is the new sample of gas?
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