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Chloroform, formerly used as an anaesthetic and now believed to be a carcinogen, has a heat of vaporizationΔHvaporization = 31.4 kJ mol-1.The change,CHCl3(l) CHCl3(g)hasΔSº = 94.2 J mol-1K-1.At what temperature do we expect CHCl3to boil (i.e., at what temperature will liquid and vapor be in equilibrium at 1 atm pressure)?
It needs a minimum of 216.4 kJ/mol to remove an electron from a potassium metal surface. If UV light at 227 nm strikes this surface, explain what is the maximum speed (in m/s) of the ejected electrons
when selecting the appropriate wavelength and bandwidth for a spectrophotometric analysis the bandwidth should be as
Later in the day, 30% of the glycogen is released and runs through glycolysis and the TCA cycle and 40% of gthe glycogen is released to be used in the hexosemonophosphate shunt pathway to create five carbon sugars
What is the formula for the compound formed between iodine with a valency of (VII) and fluorine
Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atoms and the charge.
Write an equation for the hydrogenation of glyceryl trilinolenate, a fat formed from glycerol and three linolenic acid molecules.
Depict the best possible Lewis structure of methyl cyanide. b) Forecast the geometry and hybridization of each carbon atom. c) Explain the bonding in this molecule in terms of sigma (s) and/or pi (p) bonds and the orbitals
Problem- Calculate the energy emitted due to an electron transition from n=5 to n=3. Is energy required or lost? Once you calculate the energy, calculate the frequency and wavelength (in nanometers). Where on the electromagnetic spectrum does the ..
How many milliliters of 3.4 M NH4Cl must be added to 250 mL of 0.23 M NH3 to obtain a buffer solution having pH=9.40
Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 3.40A of current is drawn from the battery for 4.50 hours?
Will a precipitate form when 20.0mL of Pb(NO3)2(aq) with a concentration of 2.50x10-4 mol/L is reacted with 45.0mL of CaCl2(aq) with a concentration of 1.25x10-3 mol/L
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
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