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Identify the unknown gas.
What is the mass of the solid NH4Cl formed when 73.0 g of NH3 are mixed with an equal mass of HCI? What is the volume of the gas remaining, measured at 14.0 degrees C and 752 mmHg? What gas is it?
To determine the molecular formula of a compound.
A certain anesthetic contains 64.9 percent C, 13.5 percent H, and 21.6 percent O by mass. At 120 degrees C and 750 mmHg, 1.00L of the gaseous compound weighs 2.30g. What is the molecular formula of the compound?
Questions on H-NMR spectrum of isopentyl acetate - What would the effect on yield be of allowing the crushed Dry Ice to be exposed to the atmosphere for long periods of time before being used?
What will be the resultant pressure when the stopcock is opened?
To find the % by mass of a compound in a given sample - Determine the percent by mass of calcium carbonate in the sample. State any assumptions.
Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
Solving this question helps the student to understand how to find the limiting reactant and how much product is produced and What mass of product may be produced?
Design a qualitative analysis scheme
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
Gas stoichiometry and Percentage of calcium carbonate in the sample
Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.
Estimate the ratios of the basic and acidic forms of the histidine side chain
Find the temperature and the pressure of a gas inside the cylinder - what was the initial pressure of the gas in the cylinder?
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