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Calculate the speed to which a stationary H atom would be accelerated if it absorbed each of the photons used. Calculate the energy per photon and the energy per mole of photons for radiation of wavelength (a) 600 nm
What is the concentration of a solution made by diluting 75 mL of 6.0 M HCl to a final volume
How many moles of nonane (C9H20) and oxygen are required to produce 13.5 moles of carbon dioxide and 15 moles of water by complete combustion
Determine the percent yield (with respect to CO2 and CH4) of the reaction if 1.25g of CO2 was formed by reacting 2.50g of CH4(g) with excess O2 in the reaction: CH4(G) +O2(g) ---->CO2(g) +H2O(g).
Suppose the mass spectrum of a hypothetical monatomic element X contains a signal at mass number 13 and another of identical height at mass number 15.
Create an outline of a procedure to use to create a kinetic plot of concentration vs time for the bleaching of a food dye. The outline must contain no more than 10 steps. Make sure to include the glassware and amounts of solutions you expect to us..
In the Olympics and other major athletic competitions, a GC-MS is used to screen athletes for their use of banned substances such as steroids.
Home ice cream makers use ice to cool a concentrated NaCl solution below the normal freezing point of water. What molal concentration of salt is needed to lower the freezing point to -3.97 C?
Combining aqueous solutions of BaI2 and Na2SO4 affords a precipitate of BaSO4. Which ion(s) is/are the spectator ions in the reaction
A 520.0 mL of a buffer solution that is 0.175 M in HC2H3O2 and 0.165 M in NaC2H3O2, Calculate the inital pH and the final pH after adding 0.020 mol of HCl
If a 0.568m soloution had a 3.75 C difference in its freezing point from the pure solvent, what is the freezing point depression constant Kfp for the solvent
a 37.4-l volume of methane gas is heated from 22 degrees c to 78 degrees c at constant pressure. what is the final
calculate the enthalpy change for an isobraic change of steam from 0.8 MPa and 250 C to saturated liquid
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