CHM 104 Final PT questions
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A student mixes 4.0 g of KNO3 with 5.0 mL of water at room temperature and
observes, of the KNO3 has dissolved which statement concerning this solution is
TRUE? - answer The solubility of KNO3 in water has been exceeded
What is the molarity of a solution if 300.0mL of it contains 16.8 g of KNO3? -
answer 0.554 M
Which diagram represents a mixture? - answer Dark and light grey, not bonded
Gas pressure is a result of which of the following? - answer Collisions. of gas
particles with the walls of the container
Which has the greatest mass, one atom carbon, one atom of hydrogen, or one
atom of lithium? - answer one atom of carbon
What is the name of Fe+ in the stock system? - answer iron(II) ion
, Which of the following best represents autoionization? - answer 2H20(I) H3)+(aq)
+OH-(aq)
Which statement about compounds is FALSE? - answer Covalent compounds are
composed metals and nonmetals
Which of the following statements concerning acids and bases is FALSE? - answer
Addition of a base to water increases the hydronium ion concentration of the
solution
What type of membrane allow solvent molecules to pass through but does not
allow solute molecules to pass through? - answer semipermeable
What process is responsible for the formation of dew on the grass early in the
morning? - answer condensation
What is the formula of the ionic compound formed when ions of calcium and
nitrogen combine - answer Ca3N2
What is the mass of 4.00 moles of helium, the gas commonly used to fill party
balloons and lighter than air ships? - answer 16.0g
How many moles of KCI are present in 50.0 mL of a 0.552 M solution? - answer
0.0276 mol
What is the name of the ion NH4+? - answer ammonium
with 100% correct answers
already gradedA+( Pass
Guaranteed)
A student mixes 4.0 g of KNO3 with 5.0 mL of water at room temperature and
observes, of the KNO3 has dissolved which statement concerning this solution is
TRUE? - answer The solubility of KNO3 in water has been exceeded
What is the molarity of a solution if 300.0mL of it contains 16.8 g of KNO3? -
answer 0.554 M
Which diagram represents a mixture? - answer Dark and light grey, not bonded
Gas pressure is a result of which of the following? - answer Collisions. of gas
particles with the walls of the container
Which has the greatest mass, one atom carbon, one atom of hydrogen, or one
atom of lithium? - answer one atom of carbon
What is the name of Fe+ in the stock system? - answer iron(II) ion
, Which of the following best represents autoionization? - answer 2H20(I) H3)+(aq)
+OH-(aq)
Which statement about compounds is FALSE? - answer Covalent compounds are
composed metals and nonmetals
Which of the following statements concerning acids and bases is FALSE? - answer
Addition of a base to water increases the hydronium ion concentration of the
solution
What type of membrane allow solvent molecules to pass through but does not
allow solute molecules to pass through? - answer semipermeable
What process is responsible for the formation of dew on the grass early in the
morning? - answer condensation
What is the formula of the ionic compound formed when ions of calcium and
nitrogen combine - answer Ca3N2
What is the mass of 4.00 moles of helium, the gas commonly used to fill party
balloons and lighter than air ships? - answer 16.0g
How many moles of KCI are present in 50.0 mL of a 0.552 M solution? - answer
0.0276 mol
What is the name of the ion NH4+? - answer ammonium
