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Destiny and Rachel's quiz
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1
Unit 5: Convert .230 L to mL
230 mL
2300 mL
23 mL
.00023 mL
2
Unit 8: which unit is correct for the heat of reaction?
kJ
J/(g*C)
kJ/C
kJ/mol
3
Unit 5: What is a product?
designated on the left of the equation
substances that are formed by a chemical reaction
money
substances that form a chemical reaction
4
Unit 4: Which pair of elements do you expect to be most similar?
argon and bromine
titanium and gallium
nitrogen and oxygen
lithium and sodium
5
Unit 4: What is the molecular formula of glucose?
C6H12O6
C3H2O2
C8H9O10
C7H10O7
6
Unit 7: define solute
a substance that is separated by solvent particles
homogeneous mixture forms from solute dissolved in a solvent
substance that attaches to solute parts and tears them apart
7
Unit 1 : What is NOT proper lab safety?
Hair down the face
Standing up
Cleaning all equipment
Goggles
8
Unit 8: what is true about the total amount of energy in the universe?
remains constant
changes daily
varies monthly
it varies yearly
9
Unit 2: define anion
a positively charged ion
a negatively charged ion
the movement caused within a fluid by the tendency of hotte
energy possessed by a body
10
Unit 4: Which element is not a transition metal?
Cr
Cs
Ti
Co
11
Unit 6: a sealed syringe is plugged in cold water which direction will the syringe piston slide
in
cannot be determined
no movement
out
12
Unit 7: Which of the following is a property of an acid?
non electrolytes
strong color
nonreactive
sour taste
13
Unit 8: the statement that the total amount of energy in the world remains constant is called
law of conservation of energy
theory of relativity
nuclear theory
Boyles law
14
Unit 4: Define binary compound
a compound that consist of 3 elements
a compound that consist of 2 elements
element
15
Unit 5: Convert 970. mm Hg to kPa
975
150
9700
129
16
Unit 6: what happens to the pressure of a gas in a container if temperature of gas is decreased
cannot be predicted
pressure increases
pressure does not change
pressure decreases
17
Unit 6: if a balloon is squeezed what happens to the pressure inside of the balloon?
depends on type of gas
stays the same
it decreases
it increase
18
Unit 2: Discovery of the electron changed which of the following postulates of Dalton's theory?
atoms are only rearranged in chemical reactions
atoms can not be broken down into smaller particles
all atoms of the same element have the same mass
Atoms combined in simple whole number ratios
19
Unit 3: What is a nonmetal?
hard, shiny, malleable element
an element with high electronegativity and ionization energy
an element with large radius
electrical semiconductor
20
Unit 7: define molarity
moles of solute over liters of solution
moles of solute over kilograms of solvent
21
Unit 8: what is exothermic
reaction the releases stored energy into surrounding area
reaction that absorbs and stores energy in surrounding area
22
Unit 5: What SI unit is used to measure the number of representative particles in a substance?
kelvin
mole
ampere
kilogram
23
Unit 6: what is not a state of matter
corn
plasma
liquid
solid
24
Unit 2: What is the charge and mass in amu of a proton?
-1 and +1 amu
-1 and 0 amu
0 and 1 amu
+1 and 1 amu
25
Unit 6: define specific heat
energy required to heat 1 kilogram of a substance by 1 C
HEAT from sun
heat in a specific area
energy required to heat 1 gram of a substance by 1 kelvin
26
Unit 3: How many valence electrons are in 1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
5
?
5
2
13
7
27
Unit 3: As the frequency of electromagnetic radiation increases what happens to its energy?
the energy decreases
frequency and energy are independent of each other
the energy increases
the energy remains constant
28
Unit 8: the amount of heat it takes to raise the temperature of 1 kg of material 1 degree C is
temperature
thermal energy
heat energy
specific heat
29
Unit 3: which of the following orbital designations are INCORRECT?
3f
2d
7f
6p
30
Unit 2: What do we call atoms of the same element with different mass numbers?
a particles
nuclei
isomers
isotopes
31
Unit 1: Define exothermic
strength required for sustained physical or mental activity
accompanied by the release of heat
accompanied by or requiring the absorption of heat.
the quality of being hot; high temperature
32
Unit 5: which is single replacement
A + BC = AC + B
A + B = AB
AB = A + B
AB + CD = CB + AD
33
Unit 3: Which of these transitions within an atom would yield a photon of greatest frequency?
n=6 to n=1
n=4 to n=2
n= 4 to n=1
n=6 to n=2
34
Unit 2: J.J Thompson was credited with the discovery of which of the following?
positively charged electrons
neutral particles
negatively charged electrons
positively charged protons
35
Unit 7: With solutions of strong acids and strong bases the word strong refers to...
molarity
solubility
normality
degree of ionization
36
Unit 4: Which element would displaces the other with iron and sodium in a solution?
iron displaces sodium
sodium displaces iron
37
Unit 1: What is physical change?
Change in texture, shape, state
Grows leg
Bubbles/ Gas
Change in temperature, odor, color
38
Unit 1: How many sig figs in .001950
5
4
6
3
39
Unit 7: what is the formula for phosphoric acid?
H2PO3
H3PO4
HPO4
HPO2
40
Unit 1: What is this equipment?
Thermometer
Beaker
Erlenmeyer flask
graduated Cylinder
