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describe the mechanism for the reaction of bromine to Ethene and state the type of reaction involved.
What is the percent yield of CaO in the reaction CaCO3 yield CaO + CO2 if 5.33 g of CaO are obtained when 10.0 g of CaCO3 are used?
How many different types of resonance structures can be drawn for the ion SO32.
Calculate the molecular mass of the nonionic solutes: 8.02 g of solute in 861 g of water lower the freezing point to -0.430 degrees C.
Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN. For HCN, Ka = 4.9 x 10^-10 (pka = 9.31). Use the equilibirum approach to calculate
How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NiCl2 for 80.0 minutes?
how many moles of Ba(OH)2 are present in 165ml of 0.600M Ba(OH)2.
write mechanisms for the following reactions, which are used in chemical tests and derivative preparations: (a) the reaction of butanal with 2,4 dinitrophenylhydrazine reagent.
Draw the major and minor resonance structure for the carbonate ion (CO3^-2). Include any formal charges, Indicate which are the major resonance structures and why.
The total pressure of the mixture is 1.42 atm. What is the partial pressure of O2 in the mixture? (A) 0.211 atm (B) 0.426 atm
Calculate the electrode potential of the following half cell if it was at standard conditions. Then recalculate how this changes using.
Consider a sample of helium gas at 28 C with a volume of 3.80 L at a pressure of 3.15 atm. The gas expands to a volume of 9.50 L and the gas is heated to 43 C
Write the Complete Ionic Equation for the reaction between Magnesium Nitrate and Potassium Hydroxide
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