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Butane burns and as a result, 2 molecules of butane react with 13 molecules of oxygen to produce 8 molecules of carbon dioxide and 10 molecules of water. Basically, 15 molecules are converted into 18 molecules.
This reaction gives off a great deal of heat, meaning that the reactants are higher in energy than the products. What drives this reaction?
a) energy only
b) disorder only
c) both disorder and energy
d) neither disorder nor energy
Problem- If I want to react benzaldehyde with ch3ch2cn using eto- then etoh as reagents, what product could I expect? I'm assuming that no condensation is taking place since I'm not putting heat into the system.
Two different proteins X and Y are dissolved in aqueous solution at 37 C. The proteins bind in a 1:1 ratio to form XY. A solution that is initially 1.00 mM in each protein is allowed to reach equilibrium. At equilibrium, 0.18 mM of free X and 0.18..
A 10.00-mL sample of 0.1000 M KH2PO4 was titrated with 0.1000 M HCl Ka for phosphoric acid (H3PO4): Ka1= 7.50x10-3 ; Ka2=6.20x10-8 ; Ka3= 4.20x10-10 Calculate the pH after addition of 10.00 mL of HCl to the KH2PO4 solution
Account for the fact that H3C-Cl (dipole moment 1.94D) and H3C-F (dipole moment 1.82D) have almost identical dipole moments, even though fluorine is considerably more electronegative than chlorine.
what went wrong in a column chromatography of a 5050 mixture of acetylferrocene ferrocene if the recovery percentage
the following changes in a DNA molecule may have no effect on the protein for which the DNA codes
What is the smallest energy photon that can be absorbed by a hydrogen atom in its sixth excited state? (in eV)
Calculate the pH of a solution that has an ammonium chloride concentration of .05 M and a sodium acetate concentration of .045 M
Allicin is the compound responsible for the characteristic smell of garlic. An analysis of the compound gives the following percent composition by mass: C: 44.4%; H: 6.21%; S:39.5%; O: 9.86%. Explain what is its empirical formula
Question- Victoria heated the original solution to 100 degrees Celsius, which cause some of the water to in the test tube to evaporate. a) Would this cause the calculated solubility of the solution to be too high, too low or no effect. Explain
To what temperature must he heat the coin so that its volume of 1.08 cm3 displaces an equivalent volume of water on the surface of the ice? Assume the temperature of the ice is 0.000 ºC.
a proposed mechanism for a reaction isc4h9br --gt c4h9 br-slowc4h9 h2o --gt c4h9oh2 fastc4h9oh2 h2o --gt c4h9oh h3o
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