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Substance A has a greater molar mass then substance B. Both are nonelectrolytes. If 50 g of substance A are dissolved in 250 g of water in one beaker, and 50 g of substance B are dissolved in 250 g of water in another beaker, which solution will have the higher boiling point?
If the spectrophotometer that was used was miscalibrated so that each absorbance reading was too high by 0.100 units
A gas sample containing 1.47 mol at 25°C exerts a pressure of 401 torr. Some gas is added to the same container, and the temperature is increased to 50.°C. If the pressure increases to 800. torr,
Calculate the standard enthalphy change for the following reaction.
Name the product of reaction, Give and name the products when 3-t-butyl 2,4-dimethyl 1-hexene reacts iwth the following assume the proper catalysts are present
To whats volume in liters must 105 mL of hydrochloric acid containing 47.5g of HCl be diluted to make a 1.05M solution ?
calculate the molar solubility of silver iodide in 3.0 M NH3. overall formation constant for Ag(NH3)2" is 1.7 x 10^7
Compound A, C9H12, undergoes nitration to give 3 products. The 1H NMR spectrum of A shows a complex three-proton multiplet at 6.92-6.99 ? and a nine-proton singlet at 2.34 ?
A sample of nitrogen gas had a volume of 500.ml, a pressure in its closed container of 740 torr, and a temperature of 25 degrees celsius. What was the new volume of the gas when the temperature was changed to 50 degrees celsius and the new pressur..
In the Balmer-Rydberg equation, what value of is used to determine the wavelengths of the Balmer series?
How many moles of potassium carbonate will be produced if 400.0 g of potassium hydrogen carbonate are heated?
A tank of hydrogen has a volume of 22.9 L and holds 14.0 mol at 12.0 C, what is the pressure of the gas in atm
What is the molarity of a solution of 14.0 g NH4Br in enough H20 to make 150 ML of solution.
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