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Draw the structure of dimesitylmethane, designate on its NMR spectrum all the hydrogens that are equivalent, and predict the relative intensities of all the peaks corresponding to these sets of equivalent hydrogens. The two types of methyls differ from each other by 0.15 ppm.
An average home in Colorado requires 20. GJ of heat per month. How many grams of natural gas (methane) must be burned to supply this energy. CH4(g) + 2O2(g) ? CO2(g) + 2H2O(l) ?H°rxn= -890.4 kJ/mol
what minimum mass of succimer in rm mg is needed to bind all of the lead in a patients bloodstream? assume that patient
Is copper complex of tetraphenylporphyrin(TPP) more polar or less polar than tetraphenylporphyrin(TPP) itself?
Calculate the cell potential, , for this galvanic cell and ΔG for the cell reaction at these conditions.
What will be the molarity of a compound (1 litre) with a molecular weight of 169 and purity as 41%.
What will the new volume of the gas be if the temperature is increased to 150C and the pressure decreased to 0.95 atm?
A syringe containing 1.55ml of oxygen gas is cooled from 95.3C to 0.0C. What is the final volume of oxygen gas
determine the PH of each of the following a) 10mL of .2M Acetic acid and 1.00mL of .1M sodium hydroxide, and 9.0 mL of distilled water? B) 10 mL of sodium acetate and 1.0mL of .1M HCL and 9.0 mL of distilled water?
Arrange these aqueous solutions, each 10% by mass in solute, in order of increasing freezing point and boiling point. Explain your reasoning.
An excess sample of solid Ag2SO3 is added to 100 mL of water. After equilibrium is achieved between the solid and its aqueous ions the silver ion concentration is found
briefly describe how the atomic radii and ionization energies of group 1a1 elements compare with those of group 8a18.
A compund with a formula mass of 42.08 amu is found to be 85.64% carbon and 14.36% hydrogen by mass. find its molecular formula. I did this problem and got c2h for the epirical formula then for the molecular formula i got c4h2 but im not sure that..
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