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What hybridization would you expect for the indicated (bold) atom in each of the following molecules?
a) H2C= O (carbon)
b) BH3 (boron)
c) CH3SH (sulfur)
d) H2C=NH (Nitrogen)
Assume that a reaction takes place at 296 K and 306 K. What must the activation energy be for the rate constant to double as described.
Calculate the energy and wavelength associated with an a particle that has fallen through a potential difference of 4.0 V.
The normal boiling point of liquid bromine is 58.8oC, and its molar enthalpy of vaporization is Delta Hvap = 29.6 kJ/mol. (a) When Br2(l) boils at its normal boiling point, does its entropy increase or decrease?
A 1.0 ounce piece of chocolate contains 15 of caffeine, and a 6.0 ounce cup of regular coffee contains 105 of caffeine.How much chocolate would you have to consume to get as much caffeine as you would from 5.0 cups of coffee?
If 25.00 mL of 0.687 M Fe(NO3)2 are added to a flask containing 0.289 g of aluminum metal, what compounds will be present in the flask once the reaction is complete? (Ignore water, etc.)
A sample of nitrogen has a volume of 605 mL at a pressure of 84.77 kPa. Assuming that the temperature is constant, at what pressure will the gas has a volume of 0.766 L
What is its volume is 2.58 cubic micrometers. a)What is its volume in cubic millimeters (mm^3)?
Calculate the concentration of H2SO4 if 25.00 mL of the acid is titrated with 41.70 mL of 3.000 M KOH to produce K2SO4 and water
Find the number of automobiles whose total mass is the same as 1.0 mol blueberries if The mass of an average blueberry is 0.77g and the mass of an automobile is 2000 kg ?
A mixture of C3H8 and C2H2 has a mass of 2.0 . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.5
Calculate the energy per photon of electromagnetic radiation, for a photon having a frequency of 5.16 X 10^19 Hz (h = 6.626x10^-34 J s):
Under standard conditions one of the steps of glycolosis does not occur spontaneously. Can the reaction take place in the cytoplasm of a cell where the concentrations
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