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1. The Foundations of Chemistry

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The Foundations of Chemistry
Dodong Aleta
Quiz by Dodong Aleta, updated more than 1 year ago
Dodong Aleta
Created by Dodong Aleta over 9 years ago
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Resource summary

Question 1

Question
It is the science that describes matter - its properties, the changes it undergoes, and the energy changes accompanying those processes.
Answer
  • Chemastry
  • Chemestry
  • Chemistry
  • Chemostry

Question 2

Question
It is anything that has mass and occupies space.
Answer
  • Energy
  • Inertia
  • Matter
  • Chemical Engineering

Question 3

Question
It is defined as the capacity to do work or to transfer heat.
Answer
  • Energy
  • Inertia
  • Matter
  • Chemical Engineering

Question 4

Question
It is the energy possessed by an object by virtue of its motion.
Answer
  • Internal energy
  • Kinetic energy
  • Potential energy
  • Mr. Pure Energy, Gary V.

Question 5

Question
It is the energy possessed by an object because of its position, condition, or composition.
Answer
  • Internal Energy
  • Kinetic Energy
  • Potential Energy
  • Mr. Pure Energy, Gary V.

Question 6

Question
There is no observable change in the quantity of matter during a chemical reaction or during a physical change.
Answer
  • The Law of Conservation of Matter
  • The Law of Conservation of Energy
  • The Law of Conservation of Matter and Energy
  • The Law of Definite Proportions

Question 7

Question
Energy cannot be created or destroyed in a chemical reaction or in a physical change. It can only be converted from one form to another.
Answer
  • The Law of Conservation of Matter
  • The Law of Conservation of Energy
  • The Law of Conservation of Matter and Energy
  • The Law of Definite Proportions

Question 8

Question
The combined amount of matter and energy available in the entire universe is fixed.
Answer
  • The Law of Conservation of Matter
  • The Law of Conservation of Energy
  • The Law of Conservation of Matter and Energy
  • The Law of Definite Proportions

Question 9

Question
A compound may also be defined as a pure substance consisting of two or more different elements in a fixed ratio. This observation is called __.
Answer
  • The Law of Conservation of Matter
  • The Law of Conservation of Energy
  • The Law of Conservation of Matter and Energy
  • The Law of Definite Proportions

Question 10

Question
He suggested that all matter is composed of tiny, discrete, indivisible particles that he called atoms.
Answer
  • John Dalton
  • Democritus
  • Niels Bohr
  • Albert Einstein

Question 11

Question
He tried to explain why matter behaves in such systematic ways as those expressed in the Law of Conservation of Mass, and the Law of Definite Proportions.
Answer
  • John Dalton
  • Democritus
  • Niels Bohr
  • Albert Einstein

Question 12

Question
1 amu =
Answer

Question 13

Question
It is the number of protons in the nucleus of an atom (symbol Z).
Answer
  • Atomic Number
  • Mass Number
  • Atomic Mass
  • Nucleon Number

Question 14

Question
These are properties that depend on the amount of material examined.
Answer
  • Intensive Properties
  • Extensive Properties
  • Both Intensive and Extensive Properties
  • None of the above

Question 15

Question
These are properties that do not depend on the amount of material examined.
Answer
  • Intensive Properties
  • Extensive Properties
  • Both Intensive and Extensive Properties
  • None of the above

Question 16

Question
All chemical properties are __.
Answer
  • intensive properties
  • extensive properties
  • both intensive and extensive properties
  • None of the above

Question 17

Question
It is a combination of two or more pure substances in which each substance retains its own composition and properties.
Answer
  • Compound
  • Mixture
  • Tincture
  • Carbuter

Question 18

Question
The most easily recognized mixture in which different proportions of the sample have recognizably different properties is called a __.
Answer
  • homogeneous mixture
  • heterogeneous mixture
  • compound
  • element

Question 19

Question
A/An __ is a substance that can be decomposed by chemical means into simpler substances, always in the same ratio by mass. Meanwhile, a/an __ is a substance that cannot be decomposed into simpler substances by chemical changes.
Answer
  • compound element
  • element compound
  • solution element
  • solution compound

Question 20

Question
IUPAC stands for __.
Answer
  • Intergovernmental Union of Pure and Applied Chemistry
  • Intergovernmental Union for Pure and Applied Chemistry
  • International Union of Pure and Applied Chemistry
  • International Union for Pure and Applied Chemistry

Question 21

Question
Which of the following common prefixes used in the SI and Metric systems is incorrect?
Answer

Question 22

Question
It relates to how closely a measured value agrees with the correct value.
Answer
  • Accuracy
  • Precision
  • Significant Figures
  • None of the above

Question 23

Question
It refers to how closely individual measurements agree with one another.
Answer
  • Accuracy
  • Precision
  • Significant Figures
  • None of the above

Question 24

Question
The __ of a substance (for solids and liquids) is the ratio of its density to the density of water, both at the same temperature.
Answer
  • Apparent Specific Gravity
  • Specific Gravity
  • Specific Density
  • Specific Volume

Question 25

Question
He was a Swedish astronomer who developed the Celcius temperature scale, formerly known as the centigrade temperature scale.
Answer
  • Anders Celcius
  • Andrew Celcius
  • Anderson Celcius
  • Adrian Celcius

Question 26

Question
He was a german instrument maker who developed the Fahrenheit temperature scale.
Answer
  • Garry Fahrenheit
  • Gerard Fahrenheit
  • Gabriel Fahrenheit
  • Gordon Fahrenheit

Question 27

Question
It is the amount of heat required to raise the temperature of one gram of a substance by one degree Celcius with no change in phase.
Answer
  • Heat Capacity
  • Specific Heat
  • Specific Energy
  • Enthalpy

Question 28

Question
It is the amount of heat required to raise its temperature by one degree Celcius.
Answer
  • Heat Capacity
  • Specific Heat
  • Specific Energy
  • Enthalpy

Question 29

Question
When two objects at different temperatures are brought into contact, heat flows from high temperature to low, until the two are at the same temperature. The two objects are then in __.
Answer
  • balance
  • kinetic equilibrium
  • steady state
  • thermal equilibrium
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