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From the following interactions select the lowest and highest energy interactions. A) a +3 and a +1 charge separated by 3 m B) a -1 and a -2 charge separated by 4 m C) a -1 and a +3 charge separated by 2 m D)a -2 and a +2 charge separated by 4 m E) a +2 and a 0 charge separated by 2m
Consider the following pair of nucleophiles in CH3OH. Which, a: F- or b: N3- is the better nucleophile. Consider the following pair of nucleophiles in CH3OH. Which, a: CH3S- or b: H2O is the better nucleophile
Suppose you inserted a piece of copper into a solution of nickel chloride and observed no reaction. Then if you inserted a piece of iron into the solution of nickel chloride a nickel deposit formed on the bottom of the well in the well plate.
Suppose that 25g of gold is initially at 27 degrees Celsius. What's the final temperature of gold upon absorbing 2.35kJ of heat?
a 0.20 solution of is used to titrate 28.0 of a solution of unknown concentration. if 160ml of hcl is required what is
solid sodium reacts violently with water produing heat hydrogen gas and sodium hydroxide. how many molecules of
Uses of de-Broglie equation in electromagnetic specra - Find the mass of oxygen and decomposed potassium chlorate along with the pressure in the glass bulb.
What volume of gold would be equal in mass to a piece of copper with a volume of 140.0 mL? The density of gold is 19.3g/mL; the density of copper is 8.96 g/mL.
A voltaic cell made of a Cr electrode in a solution of 1.0 M in Cr^3+ and a gold electrode in a solution that is 1.0 M in Au^3+.
Estimate the total calories in a slice of bread that has 9.0 g of carbohydrates, 2.0 g of protein, and 1.0 g of fat. What percentage of total calories is from fat?
An aqueous solution of sodium chloride contains 4.50g of CaCl2, per liter. What is the molarity of CaCl2? When calcium chloride dissolves in water, the calcium ions
When one mole of solid NaOH is dissolved in 1L of solution, 44.5kj of heat are released. How much heat is released when 1.00g of NaOH is dissovled in 100.0mL of water?
A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates. When the supernatant solution is made basic, a liquid B sep..
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