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Find the formula of a compound using stoichiometry and ideal gas equation.
A quantity of 0.225 g of a metal M ( molar mass = 27.0 g/mol ) liberated 0.303 L of molecular hydrogen (measured at 17 degrees C and 741 mmHg) from an excess of hydrochloric acid. Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.
Describe each reaction and provide the name of all the chemical formula involved for each number.
Use of fossil fuels - Should we be burning the raw materials for medicine and polymers? Where will we be in 50 years on this issue?
Find the theoretical, percent yield and percent error of the reaction - Calculate the percent error of this reaction.
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
Write the electronic configuration in sublevels for the following atoms
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Find the volume of oxygen gas required to react completely with iron and Calculate the volume of oxygen gas at STP that is required to completely react with 61.0 g of iron.
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
Find the new volume of the gas sample - What is the new volume of the gas sample
Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.
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