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140 mL of a 45.5% (m/v) LiNO3 solution. Calculate the number of solute needed to prepare the solution.
The nitro substituent was introduced in meta position of the methyl benzoate in nitration of methyl benzoate. Why does it prefer the meta position and not ortho and para
A container of nitrogen gas has a volume of 82.0 L at a temperature of 303 K. If the container is heated to a temperature of 369 K while remaining at constant pressure, what is the new volume of the gas
Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert
A cylinder is separated into two sections Y and Z by an insulating frictionless piston and sealed at both ends. Each section has two moles of an ideal gas.
If 2.50 g of CuSO4 are dissolved in 9.5 102 mL of 0.21 M NH3, Explain what are the concentrations of Cu(NH3)42+, NH3 and Cu2+ at equilibrium
determine the mass of snow that can be completely melted.use the table below to work the following
Why is histidine very commonly found to play a catalytic role in the active sites of enzymes
A mixture of gases contains 0.77 mol N2, 0.35 mol O2, and 0.12 mol CO2. If the total pressure of the mixture is 1.48 atm, what is the partial pressure of each component. N2 atm O2 atm CO2 atm
If the trend in second ionization energy for the elements from lithium to flourine isn't a smooth one. Forecast which of these electrons has the highest second ionization energy as well as which has the lowest and explain.
Calculating new pH, a). How many mL of each of 0.10M lactic acid solution and 0.10M NaOH solution are needed to make 800mL of a buffer of pH 3.50?
A sample of gas in a balloon has an initial temperature of 22 and a volume of 1610 . If the temperature changes to 58, and there is no change of pressure or amount of gas, what is the new volume, , of the gas?
if the frequency of light emitted by potassium is 3.95 x1014 hz what is the corresponding wavelength associated with
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