Chemistry, 19.09.2019 19:30 DASASDAEDWEDA
Determine the empirical formula of each of the following compounds if a sample contains (a) 0.104 mol k, 0.052 mol c, and 0.156 mol o; (b) 5.28 g sn and 3.37 g f; (c) 87.5% n and 12.5% h by mass.
Answers: 2
Chemistry, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
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Chemistry, 22.06.2019 08:30
Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol
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Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Determine the empirical formula of each of the following compounds if a sample contains (a) 0.104 mo...
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