MULTIPLE CHOICE HELP 1-3 3RD QUARTER EXAMIINAIONDGENERAL CHEMISTRY 2 ( STEM GRADE 12)Fay M.LafableCode # Gl Name: ClyneI. Modified True or FalseDirections: Write CHEMISTRY if the statement is correct, if otherwise, change the underlined words to makeSection: St. Therese Calcutta Score:the statement correct.1. At room temperature, water is colorless, ductile, and tasteless liquid.2. The 3d postulate of KMT states that the amount of kinetic energy in a substanceis related to its temperature.Increased temperature means greater speed.3. The 5th postulate of KMT states that The amount of space between particlesisrelated to the substance's state of matter.4. When cooled, liquid slightly expands.5. The water molecules in ice have more defined hexagonal arrangement.SOLVENT 6. In a solution, solute dissolves solvent.SOLUTE 7. Solvent is less than solute.CONCENTRATED8. A solution that contains a large proportion of solute relative tothe solvent is calleddiluted.MOLARITY 9.The concentration of the solution is best described by mole fraction or molar mass.CHEMISTRY 10. Larger molarity values means more concentrated solution.11. Molarity is the concentration of a solution expressed in moles of solute perkilogram of solvent.12. Thermochemistry is a branch of thermodynamics which deals with theinterconversion of energy between two forms: heat and power.13. The First Law of Thermodynamics states that energy can be created or destroyed.14. When a system absorbs heat it is called exothermic.15. Heat is the transfer of thermal energy between two bodies that are at differenttemperatures and is not equal to thermal energy.' II. Multiple ChoiceDirections: Choose the letter that corresponds to the correct answer. Write your answer on the spaceprovided.1. What happens to water molecules when cooled?A. The water molecules become excited.B. The water molecules slide past each other.C. The water molecules become fixed in position.D. The forces between molecules break.2. Why is liquid difficult to compress? BecauseA. The particles of liquid move more freely compare to solid that slide past one anotherB. Liquid has definite volume but no definite shapeC. A & BD. B only3. Unlike liquid, why does solid do not flow?A. Because solid is heavier compare to liquidB. Because of the arrangement of the particles that are very close to each otherC. Because solid has definite shape and volumeD. Because solid slightly expands when heated4. Which statement is true about water?A. It exhibits hydrogen bondingB. It dissolves nonpolar compoundsC. Its solid phase is denser than its liquid phaseD. A, B& C5. Which is the weakest type of intermolecular force?B. hydrogen bonding6. Changes in enthalpy of an exothermic reaction isA. dipole-dipoleC. ion-dipole D. London dipersion forceA. PositiveC. negativeB. ConstantD. neutralis exothermic?

Question

MULTIPLE CHOICE HELP 1-3 3RD QUARTER EXAMIINAIONDGENERAL CHEMISTRY 2 ( STEM GRADE 12)Fay M.LafableCode # Gl Name: ClyneI. Modified True or FalseDirections: Write CHEMISTRY if the statement is correct, if otherwise, change the underlined words to makeSection: St. Therese Calcutta Score:the statement correct.1. At room temperature, water is colorless, ductile, and tasteless liquid.2. The 3d postulate of KMT states that the amount of kinetic energy in a substanceis related to its temperature.Increased temperature means greater speed.3. The 5th postulate of KMT states that The amount of space between particlesisrelated to the substance's state of matter.4. When cooled, liquid slightly expands.5. The water molecules in ice have more defined hexagonal arrangement.SOLVENT 6. In a solution, solute dissolves solvent.SOLUTE 7. Solvent is less than solute.CONCENTRATED8. A solution that contains a large proportion of solute relative tothe solvent is calleddiluted.MOLARITY 9.The concentration of the solution is best described by mole fraction or molar mass.CHEMISTRY 10. Larger molarity values means more concentrated solution.11. Molarity is the concentration of a solution expressed in moles of solute perkilogram of solvent.12. Thermochemistry is a branch of thermodynamics which deals with theinterconversion of energy between two forms: heat and power.13. The First Law of Thermodynamics states that energy can be created or destroyed.14. When a system absorbs heat it is called exothermic.15. Heat is the transfer of thermal energy between two bodies that are at differenttemperatures and is not equal to thermal energy.' II. Multiple ChoiceDirections: Choose the letter that corresponds to the correct answer. Write your answer on the spaceprovided.1. What happens to water molecules when cooled?A. The water molecules become excited.B. The water molecules slide past each other.C. The water molecules become fixed in position.D. The forces between molecules break.2. Why is liquid difficult to compress? BecauseA. The particles of liquid move more freely compare to solid that slide past one anotherB. Liquid has definite volume but no definite shapeC. A & BD. B only3. Unlike liquid, why does solid do not flow?A. Because solid is heavier compare to liquidB. Because of the arrangement of the particles that are very close to each otherC. Because solid has definite shape and volumeD. Because solid slightly expands when heated4. Which statement is true about water?A. It exhibits hydrogen bondingB. It dissolves nonpolar compoundsC. Its solid phase is denser than its liquid phaseD. A, B& C5. Which is the weakest type of intermolecular force?B. hydrogen bonding6. Changes in enthalpy of an exothermic reaction isA. dipole-dipoleC. ion-dipole D. London dipersion forceA. PositiveC. negativeB. ConstantD. neutralis exothermic?

Accepted Answer

1. What happens to water molecules when cooled?
Answer: due to cooled the water molecules move…