In a chemical reaction, potential energy is ____________________.

stored in the bonds of molecules

A catalyst speeds up a chemical reaction by ______________________.

lowering Ea, providing an alternate reaction pathway

Isotopes are atoms with the _______________________________.

same number of protons but different mass numbers

Balance the equation of cellular respiration: C6H12O6 + O2 → H2O + CO2 + Energy

C6H12O6 + 6O2 → 6H2O + 6CO2 + 36 Net ATP

How many electrons, neutrons, and protons are in an atom of 52Cr?

24 electrons, 24 protons, 28 neutrons

An atom is ___________________________.

the basic building block of matter

Limiting reactant is ______________________________.

a reactant that is completely used up in a reaction, a reactant that runs out first

studbud

Semester 1 Chemistry Honors - Midterm Review (Part 1)

20 termsStudBud Administration56 plays

This pop quiz can help you prepare for your upcoming Chem exam. The problems you are about to see are either from the Chemistry Olympiad Exam, SAT Subject Test, Barron's AP Chemistry (easy ones), or completely new questions made up by the creator of this Quiz (which is me!).

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
True/False: Oxidation is the gain of electrons and reduction is the loss of electrons.
True
False
2
Which of the following molecule is a strong electrolyte when dissolved in water?
HBr
HC2H3O2
CH3COOH
PCl5
3
In a chemical reaction, potential energy is ____________________.
not involved in the reaction
destroyed in the process
gained through equilibrium
stored in the bonds of molecules
4
A catalyst speeds up a chemical reaction by ______________________.
shifting the equilibrium
lowering Ea
increasing the surface area
providing an alternate reaction pathway
5
Isotopes are atoms with the _______________________________.
same number of protons but different numbers of electrons
same number of protons but different mass numbers
same number of electrons but different number of protons
same number of neutrons but different numbers of protons
6
Pb²⁺(aq) + 2I⁻(aq) → PbI₂(s) is an example of ______________. (**I is iodine, not 1)
Synthesis
Redox
Redox and synthesis
Precipitation
7
Which of the following is NOT one of the driving forces of chemical reactions?
Transfer of positrons
Formation of water
Formation of gas
Formation of precipitate
8
What's Mr. Avogadro's #?
6.02 × 1024
6.02 × 1023
3.141592658
A crazy number that's not found in chemistry.
9
Less than 1/1000 of the mass of any atom is contributed by
the electrons
the neutrons
the protons
protons and neutrons
10
Which characteristic is most useful for determining that a substance is a metal?
Hardness
Melting point
X-ray pattern
Conductivity
11
Balance the equation of cellular respiration: C₆H₁₂O₆ + O₂ → H₂O + CO₂ + Energy
C6H12O6 + 6O2 → 4H2O + 6CO2 + 32 Net ATP
2C6H12O6 + 12O2 → 12H2O + 12CO2 + 38 Net ATP
C6H12O6 + 6O2 → 6H2O + 6CO2 + 36 Net ATP
C6H12O6 + 2O2 → 6H2O + 6CO2 + 2 Net ATP
12
How many electrons, neutrons, and protons are in an atom of ⁵²Cr?
24 electrons, 24 protons, 28 neutrons
27 electrons, 27 protons, 24 neutrons
24 electrons, 24 protons, 24 neutrons
24 electrons, 28 protons, 24 neutrons
13
Reaction of silver ion with chloride ion in water solution.
Single-replacement
Precipitation
Redox
Acid-base
14
52900.0 has ____ significant figures.
6
5
3
None of the above.
15
Anion is ___________ charged while cation is ___________ charged.
neutrally, positively
negatively, positively
positively, negatively
positively, negatively
16
CaCO₃(s) → CaO(s) + CO₂(s) is an example of _____________.
Decompostion
Redox
Precipitation
Both redox and decomposition
17
An atom is ___________________________.
a substance that's made up of two or more different elements
the same thing as a mixture
the basic building block of matter
the basic building block of all living things
18
The First Law of Thermodynamics states that ______________________________.
Energy cannot be created nor destroyed.
The energy of the universe is constant.
All of the above.
Energy can change forms.
19
Limiting reactant is ______________________________.
a reactant that is completely used up in a reaction
a reactant that runs out first
a reactant that never runs out
a reactant that runs out last
20
The correct name for Fe(NO₃)₃ is _________________.
iron(III) sulfate
ferrous nitroxide
iron(III) nitrate
iron(II) nitrate

Semester 1 Chemistry Honors - Midterm Review (Part 1) Flashcards | StudBud

Semester 1 Chemistry Honors - Midterm Review (Part 1)

20 termsStudBud Administration56 plays

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
True/False: Oxidation is the gain of electrons and reduction is the loss of electrons.
True
False
2
Which of the following molecule is a strong electrolyte when dissolved in water?
HBr
HC2H3O2
CH3COOH
PCl5
3
In a chemical reaction, potential energy is ____________________.
not involved in the reaction
destroyed in the process
gained through equilibrium
stored in the bonds of molecules
4
A catalyst speeds up a chemical reaction by ______________________.
shifting the equilibrium
lowering Ea
increasing the surface area
providing an alternate reaction pathway
5
Isotopes are atoms with the _______________________________.
same number of protons but different numbers of electrons
same number of protons but different mass numbers
same number of electrons but different number of protons
same number of neutrons but different numbers of protons
6
Pb²⁺(aq) + 2I⁻(aq) → PbI₂(s) is an example of ______________. (**I is iodine, not 1)
Synthesis
Redox
Redox and synthesis
Precipitation
7
Which of the following is NOT one of the driving forces of chemical reactions?
Transfer of positrons
Formation of water
Formation of gas
Formation of precipitate
8
What's Mr. Avogadro's #?
6.02 × 1024
6.02 × 1023
3.141592658
A crazy number that's not found in chemistry.
9
Less than 1/1000 of the mass of any atom is contributed by
the electrons
the neutrons
the protons
protons and neutrons
10
Which characteristic is most useful for determining that a substance is a metal?
Hardness
Melting point
X-ray pattern
Conductivity
11
Balance the equation of cellular respiration: C₆H₁₂O₆ + O₂ → H₂O + CO₂ + Energy
C6H12O6 + 6O2 → 4H2O + 6CO2 + 32 Net ATP
2C6H12O6 + 12O2 → 12H2O + 12CO2 + 38 Net ATP
C6H12O6 + 6O2 → 6H2O + 6CO2 + 36 Net ATP
C6H12O6 + 2O2 → 6H2O + 6CO2 + 2 Net ATP
12
How many electrons, neutrons, and protons are in an atom of ⁵²Cr?
24 electrons, 24 protons, 28 neutrons
27 electrons, 27 protons, 24 neutrons
24 electrons, 24 protons, 24 neutrons
24 electrons, 28 protons, 24 neutrons
13
Reaction of silver ion with chloride ion in water solution.
Single-replacement
Precipitation
Redox
Acid-base
14
52900.0 has ____ significant figures.
6
5
3
None of the above.
15
Anion is ___________ charged while cation is ___________ charged.
neutrally, positively
negatively, positively
positively, negatively
positively, negatively
16
CaCO₃(s) → CaO(s) + CO₂(s) is an example of _____________.
Decompostion
Redox
Precipitation
Both redox and decomposition
17
An atom is ___________________________.
a substance that's made up of two or more different elements
the same thing as a mixture
the basic building block of matter
the basic building block of all living things
18
The First Law of Thermodynamics states that ______________________________.
Energy cannot be created nor destroyed.
The energy of the universe is constant.
All of the above.
Energy can change forms.
19
Limiting reactant is ______________________________.
a reactant that is completely used up in a reaction
a reactant that runs out first
a reactant that never runs out
a reactant that runs out last
20
The correct name for Fe(NO₃)₃ is _________________.
iron(III) sulfate
ferrous nitroxide
iron(III) nitrate
iron(II) nitrate