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The atmic planes in a graphite crystal are separated by 335pm. At what angle wuld you find the first order(n=1) diffraction of 0.154nm X-rays from a Graphite crystal?
A sample of tap water produces a white precipitate when treated with silver nitrate, AgNO3. what ion is most responsible for this effect. what is the white precipitate.
At 25C, H2O2 decomposes according to the following equation. 2H2O2(aq) => 2H2O (l) + O2(g) .55V
Find the balance reaction and the corresponding E for the oxidation of Fe+2 by dissolved oxygen, O2
How many independent linear combinations are possible for four 1s orbitals? (b) Draw pictures of the linear combinations of H1s orbitals for a hypothetical linear H4 molecule.
manganeseii oxide leadiv oxide and nitric acid react to produce permanganic acid leadii nitrate and water according to
Describe all three steps of the reaction: (a) protonation of carbon 1 (b) the formation of an allylic, resonance-stabilized carbocation intermediate - explain what this is and which carbons have partial positive charge, and (c) attack of Br- to gi..
Find the standard enthalpy of formation of ethylene, C2H4(g), given the following data: heat of combustion of C2H4(g) = -1411 kJ/mol; ?H°f[CO2(g)] = -393.5 kJ/mol; ?H°f[H2O(l)] = -285.8 kJ/mol.
A voltaic cell is made by placing an iron electrode in a compartment in which the Fe2+ concentration is 4.5 x 10^-5 M and by placing a Pt electrode in the other compartment, in which the H+ concentration is 3.50 M and P(subscript H2) = 1.00 atm.
degree C is mixed with 35.2 g/mL of water (density = 1.0 g/mL) initially at 24.4 degree C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?
Based on the stereochemistry of the addition of bromine to cinnamic acid, write structure of the dibromide product(s) that you think will be formed as the result of the reaction of Z-2-pentene with bromine
calculate the solubility of zinc hydroxide znoh2 in 1.00 m naoh.nbsp ksp 3.0 times 10-16 for znoh2 kf 3.0 times 1015
The decomposition of NO2 by the following reaction at some temperature proceeds at a rate 5.40 x 10-5 mol NO2/L.s when [NO2] = 0.01144 mol/L.
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