Module 4, 5, 8

Question 1

Dutch chemist who was awarded the first Nobel prize in Chemistry in 1901 for his work on solutions

Answer 1

Jacobus van’t Hoff

Question 2

establishes the relationship between the number of moles of solute dissolved and the moles of particles in a solution

Answer 2

van’t Hoff Factor

Question 3

It may treated as single particle where the solution becomes more dilute, the effect of ion pairing is more negligible, because ions are far from each other

Answer 3

Ion Pairing

Question 4

A mixture of two soluble liquids forms an ideal solution, which means that each liquid comprising the mixture obeys this law

Answer 4

Raoult’s Law

Question 5

Capacity to do work or to supply heat

Answer 5

Energy

Question 6

Energy is a state function that depends on the _______ state of the system

Answer 6

Present

Question 7

This referred to the study of the energy changes during a chemical reaction and/or a change in phase

Answer 7

Thermochemistry

Question 8

This type of energy is the energy at rest and due to the position or composition of an object

Answer 8

Potential Energy

Question 9

This type of energy is energy in motion where it is dependent on the mass and velocity of an object

Answer 9

Kinetic Energy

Question 10

The principle of energy is neither created nor loss is in accordance with what law

Answer 10

Law of conservation of energy

Question 11

This could be a reactant, a product, or a reaction vessel including its components

Answer 11

System

Question 12

This refers to the system’s immediate environment or the things found outside of the system

Answer 12

Surrounding

Question 13

A system and its surrounding make up the ________

Answer 13

Universe

Question 14

Defined as the energy that is either released or absorbed due to differences in temperature conditions

Answer 14

Heat

Question 15

A process of reaction involving the release of heat

Answer 15

Exothermic Process

Question 16

A process that involve the absorption of heat

Answer 16

Endothermic Process

Question 17

Endothermic process favors an ______ in temperature

Answer 17

Increase

Question 18

Exothermic process favors an ______ in temperature

Answer 18

Decrease

Question 19

Unit used to express energy

Answer 19

Calorie (Cal)

Question 20

Study of energy and its transformations

Answer 20

Thermodynamics

Question 21

This law of thermodynamics states that the energy of the universe is constant

Answer 21

First Law of Thermodynamics

Question 22

First Law of thermodynamics also referred to as the

Answer 22

Law of Conservation of Energy

Question 23

In thermodynamics, it is the total energy from the summation of potential and kinetic energies

Answer 23

Internal energy

Question 24

Refers to the property of the solutions that depends on the number of solute particles present

Answer 24

Colligative Properties

Question 25

The presence of nonelectrolyte solute in a given solution causes the _______ of the solution to decrease

Answer 25

vapor pressure

Question 26

Established the relationship of the mole fraction with vapor pressure

Answer 26

Francois Raoult

Question 27

This law states that the vapor pressure of a nonelectrolyte solution is directly proportional to the mole fraction of the solvent in a solution

Answer 27

Raoult’s Law

Question 28

Exist in the absence of significant (nonidentical) solute-solute, solute-solvent, and solvent-solvent interactions

Answer 28

Ideal solutions

Question 29

The temperature at which its vapor pressure is 1.01x10^5 Pa

Answer 29

Normal Boiling Point of a Liquid

Question 30

What is the increase in the boiling temperature

Answer 30

Boiling Point Elevation

Question 31

What is the decrease of freezing temperature

Answer 31

Freezing Point Depression

Question 32

Tendency of solvent molecules to pass through a semipermeable membrane into a more concentrated region

Answer 32

Osmosis

Question 33

Pressure exerted by the additional height of solution

Answer 33

Hydrostatic Pressure

Question 34

This provides balance to control the flow of solvent molecules across the semipermeable membrane

Answer 34

Osmotic Pressure

Question 35

Technique used to measure the osmotic pressure of the solution containing a known amount of solute

Answer 35

Osmometry

Question 36

This is the process wherein the temperature of both the system and the surroundings remain constant

Answer 36

Isothermal Process

Question 37

Scientific way of determining the quantity of heat by measuring the changes in the temperature of a system

Answer 37

Calorimetry

Question 38

Used to measure the amount of heat involved in a chemical reaction or other processes

Answer 38

Calorimeter

Question 39

It is the what capacity that is expressed as per gram of the substance

Answer 39

Specific heat capacity

Question 40

Pertains to the heat capacity expressed per mole of the substance

Answer 40

Molar heat capacity

Question 41

The chemical reactions of change in heat neutralization with an indicated change in entalphy is called a

Answer 41

Thermochemical Equation

Question 42

Used to measure the energy change in reactionsat constant volume

Answer 42

Bomb Calorimeter

Question 43

this principal is the net chemical equation for a given reaction is generally obtained by getting the summation of all the individual actions from one or more series of steps to generate the product

Answer 43

Hess’s Law

Question 44

it is defined as the change in the enthalpy that accompanies the formation of one mole of a compound from its elements with all substances in their standard phase

Answer 44

Standard entalphy of formation