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5/8: Energy and Enthalpy
By Austin Blackford
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43 questions
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Question 1
1.
Question 2
2.
reactant
product
Question 3
3.
endothermic
exothermic
Question 4
4.
positive
negative
Question 5
5.
bond breaking
bond transformation
bond making
bond synergy
Question 6
6.
endothermic
exothermic
Question 7
7.
endothermic
exothermic
Question 8
8.
energy is first gained and eventually lost
energy is never gained, but it can be lost
energy can be gained, but not lost
energy is never gained or lost it just changes forms
Question 9
9.
exothermic
endothermic
Question 10
10.
exothermic
endothermic
Question 11
11.
exothermic
endothermic
Question 12
12.
exothermic
endothermic
Question 13
13.
burning violates this law because energy is lost as heat
the energy held in the chemical bonds of paper is changed into the energy of heat
it violated the law because there was no ice for that burn
the energy held in the chemical bonds of paper is greater than that lost as heat
Question 14
14.
positive
negative
Question 15
15.
positive
negative
Question 16
16.
potential energy
kinetic energy
Question 17
17.
potential energy
kinetic energy
Question 18
18.
positive
negative
neutral
Question 19
19.
positive
negative
neutral
Question 20
20.
positive
negative
neutral
Question 21
21.
1
0
-1
Question 22
22.
1
0
-1
Question 23
23.
1
0
-1
Question 24
24.
nucleus
orbitals
both nucleus and the orbitals
Question 25
25.
nucleus
orbitals
both nucleus and the orbitals
Question 26
26.
nucleus
orbitals
both nucleus and the orbitals
Question 27
27.
nucleus
orbitals
both nucleus and the orbitals
Question 28
28.
nucleus
orbitals
both nucleus and the orbitals
Question 29
29.
number of neutrons
number of electrons
Question 30
30.
number of neutrons
number of electrons
Question 31
31.
2
4
6
8
Question 32
32.
Question 33
33.
outermost orbital
innermost orbital
an average between orbitals 2 and 4
both innermost and outermost orbitals
Question 34
34.
16 - oxygen
8 - nitrogen
Question 35
35.
same number of neutrons, but different number of electrons
same number of neutrons, but different number of protons
same number of protons, but different number of neutrons
same number of electrons, but different number of protons
Question 36
36.
2
4
6
8
Question 37
37.
different number of neutrons and protons
different number of protons and electrons
different number of electrons and neutrons
Question 38
38.
cation - more protons than electrons
anion - more protons than electrons
cation - more electrons than protons
anion - more electrons than protons
Question 39
39.
26.1
27.1
28.1
29.1
Question 40
40.
when the number of electrons is greater than the number of protons
when the number of protons is greater than the number of electrons
when it absorbs energy
when it gives off energy
Question 41
41.
it gives off energy in the form of light
it absorbs energy in the form of light
a alpha particle is released
a beta particle is released
Question 42
42.
every atom in a period has the same emission spectrum
every atom in a group has the same emission spectrum
every atoms has its' own unique emission spectrum
Question 43
43.
the time it takes for half of an atoms protons to be converted into neutrons
the time it takes for half of an atoms neutrons to be converted into protons
the time it takes for half of a radioactive substance to decay
the time it takes for half of an atoms electrons to be converted into neutrons
the energy held in the chemical bonds of paper is less than that lost as heat
number of electrons plus protons
number of protons
number of electrons plus neutrons
number of neutrons plus protons
number of electrons plus protons
number of protons
number of electrons plus neutrons
number of neutrons plus protons
H
Li
He
C
N
O
Ca
8 - oxygen
16 - nitrogen
8 - carbon
16 - carbon
same number of electrons, but different number of neutrons
10
30.1
a gamma ray is released
