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The ratio of carbon to hydrogen to nitrogen in nicotine is 5 to 7 to 1. What is the molecular formula of nicotine if its gram molecular mass is 162 g?
How many total moles of oxygen gas can be generated through this decomposition? B. If this oxygen is formed within the bottle described in question 1, what change in pressure would be predicted?
What is the ionization state of aniline (protonated, deprotonated, or a mix) at pH 1, 4.6, and 14?
during the late 1800s hard rock miners replaced candles with carbide lamps for work in mine shafts. the lamps worked by
it the activation energy for the 2cl from cl2 is 243.4 kj what is the activation energy for the reverse reaction cl to
RNA Splicing: What is the minimum number of transesterification reactions needed to splice an intron from an mRNA transcript
Calculate the heat that must be supplied to 0.104g of Ne(g) at 0.250 atm to raise its temperature from 22.0 degree Celsius to 60.0 degree Celsius at
How many grams of ethylene glycol (automobile antifreeze, C2H6O2) dissolved in 3.55kg of water is needed to lower the freezing point
A mixture of 70 mole% butane and 30 mole % hyrdrogen is burned with excess air. Fractional conversion of 85% of the butane and 90% of the hydrogen are achieved
The Group 5A elements can form molecules or ions with three, five or six covalent bonds. Predict the molecular structure and hybridization of the following substances: NH3, AsCl5 and PF6-. Why doesn't NF5 or NCl6- form
calculate the maximum number of moles, liters and grams of H2S that can form when 187 g lead sulfide reacts with 140. g water at 29.0 °C and 0.75 atm of pressure.
In a first order decomposition in which the rate constant is 0.03 sec-1, how much of the compound (in mol/L) is left after 26 sec, if there was 2.00 mol/L at the start
The Keq of a biochemical reaction is 19.0. Calculate the standard free energy change associated with this reaction. (R=1.987, T=298, Lnx=2.303 log10X).
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