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Question- Calculate the concentrations of NH+4 and NH3 and the pH in a solution prepared by mixing 21.8g of NaOH and 0.515L of 1.5 M NH4Cl. Assume that the volume remains constant.
Answer showing how to make each solution will get rated
The johns family has a water tank that can deliver 10,000 cu ft of CO2 qt 20 degrees celcius with a pressure of 1ATM If the johns tank volume was cut in half and the pressure increasses
if the initial [H2] = 0.200M, [I2] = 0.200M and Keq = 55.6 at 250°C calculate the equilibrium concentrations of all molecules.
a 27.7 ml sample of CO2 was collected over water at 25.0 degrees celcius and 1.00 atm.(the vapor pressure of water at 25.0 degrees celcius is 23.8 torr) What will the volume be at the same temperature and pressure after removing the water vapor?
what quantity of heat would be involved if 75.00g of mercury (Ar(Hg)=200.59,Ar(O)-16.00) was burned in oxygen.
Formation of molecules in a reaction, Using the reaction of hydrogen chloride (hydrochloric acid) and calcium hydroxide to produce water and calcium chloride answer the following
a balloon has a volume of 1.20 L at 24 degrees C. the balloon is heated to 48 degrees C. calculate the new volume of the balloon.
what is the lewis dot structure of ClO3- add formal charges to the atoms remember that the formal charges will add up to the ion charge
A chemistry student needs to weigh out exactly 1.19 mol of Mg(HCO3)2 to perform a laboratory experiment. How many grams should he weigh out?
Approximate the dose from gamma radiation to a prostate gland about 5cm in diameter occurs from the implant of a Tc99m source at the center of the gland that has an initial count rate of 100,000 Bq.
task is to convert o-xylene into o-diaminobenzene. Which sequence of reagents constitutes the best method
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0atm and a mole fraction for nitrogen of 0.78.
Draw the structures of the products of the neutralization reaction between methylamine and pyridinium ion.
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