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Questions and Answers
What is the volume of 1 mole of any gas at STP?
What is the volume of 1 mole of any gas at STP?
- 11.2 L
- 44.8 L
- 24.4 L
- 22.4 L (correct)
What is the relationship between the rate of diffusion of two gases and their molecular masses?
What is the relationship between the rate of diffusion of two gases and their molecular masses?
- Inversely proportional to the cube of their molecular masses
- Inversely proportional to the square root of their molecular masses (correct)
- Directly proportional to the square root of their molecular masses
- Directly proportional to the square of their molecular masses
What is the ratio of the mass of a fixed volume of vapour to the mass of the same volume of hydrogen under the same conditions called?
What is the ratio of the mass of a fixed volume of vapour to the mass of the same volume of hydrogen under the same conditions called?
- Vapour pressure
- Vapour density (correct)
- Relative atomic mass
- Molar volume
What is the expression for the mass of 11.2 L of any gas at STP?
What is the expression for the mass of 11.2 L of any gas at STP?
Why do the laws of definite proportions and multiple proportions not hold good for nonstoichiometric compounds?
Why do the laws of definite proportions and multiple proportions not hold good for nonstoichiometric compounds?
What is the volume of 1 mole of H2O in its gaseous state?
What is the volume of 1 mole of H2O in its gaseous state?
What is the minimum molecular mass of a macromolecular substance calculated from?
What is the minimum molecular mass of a macromolecular substance calculated from?
What is the equivalent mass of a substance that reacts with 1 mole of H2SO4?
What is the equivalent mass of a substance that reacts with 1 mole of H2SO4?
What is the primary reason why the equivalent concept is preferred in volumetric reactions?
What is the primary reason why the equivalent concept is preferred in volumetric reactions?
In problems involving mass-volume relationships, what is the primary unit of measurement for gases?
In problems involving mass-volume relationships, what is the primary unit of measurement for gases?
Why is the mole concept convenient to apply in gravimetric analysis?
Why is the mole concept convenient to apply in gravimetric analysis?
What is the primary reason why volumes of gases need to be converted into N.T.P.?
What is the primary reason why volumes of gases need to be converted into N.T.P.?
What is the equivalent mass of a metal that displaces 22400 ml of hydrogen at STP from an acid?
What is the equivalent mass of a metal that displaces 22400 ml of hydrogen at STP from an acid?
In the oxide formation method, what is the mass of the element that combines with 8 grams of oxygen?
In the oxide formation method, what is the mass of the element that combines with 8 grams of oxygen?
What is the basis of the Victor Meyer method for determining the molecular mass of a volatile liquid or solid?
What is the basis of the Victor Meyer method for determining the molecular mass of a volatile liquid or solid?
What is the term given to the mass of a metal that displaces 11200 ml of hydrogen at NTP from an acid, alkali, or alcohol?
What is the term given to the mass of a metal that displaces 11200 ml of hydrogen at NTP from an acid, alkali, or alcohol?
What is the formula to calculate the average atomic mass of an element?
What is the formula to calculate the average atomic mass of an element?
What is the formula to calculate the equivalent mass of an acid or base?
What is the formula to calculate the equivalent mass of an acid or base?
What is the formula to calculate the gram equivalent mass?
What is the formula to calculate the gram equivalent mass?
In the electrolytic method, what is the quantity of substance that reacts at an electrode when 1 faraday of electricity is passed?
In the electrolytic method, what is the quantity of substance that reacts at an electrode when 1 faraday of electricity is passed?
What is the purpose of finding the simplest ratio in calculating the empirical formula?
What is the purpose of finding the simplest ratio in calculating the empirical formula?
What is the equivalent mass of a substance that combines with 8.0 parts by mass of oxygen?
What is the equivalent mass of a substance that combines with 8.0 parts by mass of oxygen?
What is the gram equivalent mass (GEM) of a substance?
What is the gram equivalent mass (GEM) of a substance?
What is the expression for the equivalent mass of a metal using the chloride formation method?
What is the expression for the equivalent mass of a metal using the chloride formation method?
What is the expression for the equivalent mass of a metal using the metal displacement method?
What is the expression for the equivalent mass of a metal using the metal displacement method?
What is the equivalent mass of a metal that displaces 5600 ml of oxygen at STP?
What is the equivalent mass of a metal that displaces 5600 ml of oxygen at STP?
What is the gram equivalent mass of a substance if its equivalent mass is 20 and it reacts with 35.5 g of chlorine?
What is the gram equivalent mass of a substance if its equivalent mass is 20 and it reacts with 35.5 g of chlorine?
In the chloride formation method, what is the equivalent mass of a metal that reacts with 35.5 g of chlorine?
In the chloride formation method, what is the equivalent mass of a metal that reacts with 35.5 g of chlorine?
What is the expression for the equivalent mass of an acid using the neutralisation method?
What is the expression for the equivalent mass of an acid using the neutralisation method?
What is the equivalent mass of a metal that displaces 11200 ml of hydrogen at STP from an acid?
What is the equivalent mass of a metal that displaces 11200 ml of hydrogen at STP from an acid?
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