Chemistry, 23.11.2020 01:00, claytedd9894
Please help ill give you a 100 points! Its urgent!! Q^Q
Question Choice A Choice B Choice C
1. Density is a property of matter that
describes the relationship between the
of an object and how much
space it takes up.
a. volume
[purple]
b. length
[blue]
c. mass
[yellow]
2. Which of the following is the equation
for calculating density?
a. D=M/V
[green]
b. D=V/M
[orange]
c. D=MxV
[purple]
3. What is the density of pure water? 5 g/mL
[black]
a.100 g/mL
[purple]
b.1 g/mL
[red]
4. If an object has a density that is
water, the object will float.
a. more than
[yellow]
c. less than
[orange]
c. the same as
[green]
5. Aluminum has a density of 2.7 g/cm3.
When placed in water, the aluminum
cube will .
sink
[blue]
float
[purple]
neither sink
nor float
[black]
6. A leaf has a density of 0.41 g/cm3.
When placed in water, the leaf will
.
sink
[purple]
float
[green]
neither sink
nor float
[red]
7. The density of hot water is
cold water because the molecules move
faster and spread apart.
less than
[yellow]
more than
[purple]
the same as
[blue]
8. If 45 mL of liquid has a mass of
130g, what is the density of the liquid?
2.89g/mL
[orange]
0.35g/mL
[green]
125g/mL
[purple]
9. An iron meteorite has a mass of
2300g and a density of 7.5 g/cm3. What
is the volume of the meteorite?
17,250cm3
[green]
306.7cm3
[red]
0.0033cm3
[black]
10. Gold has a density of 19.32 g/cm3.
If you cut a piece of gold in half, the
density of each piece will be .
38.64g/cm3
[purple]
9.66g/cm3
[yellow]
19.32g/cm3
[blue]
11. Which statement is true?
The smaller
something is, the
less density it has.
[yellow]
The larger the
volume, the more
the density.
[orange]
The density of a
pure substance will
stay the same
regardless of the
size of the object.
[green]
12. Which statement is false?
Turning off the
heat will cause a
hot air balloon
to sink.
[black]
Hot air balloons
rise because hot
air has less mass
than cold air.
[brown]
Hot air balloons
rise because hot
air is less dense
than cold air.
Answers: 1
Chemistry, 21.06.2019 22:00, toledanomariap43bxm
Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium
Answers: 3
Chemistry, 23.06.2019 02:40, sherlock19
How can a mixture of salt water be separated into salt and water
Answers: 1
Chemistry, 23.06.2019 08:50, carlinryan
Why are enzymes important to cells? they bring about chemical reactions. they provide structural support. they form the two layers of membranes. they store large quantities of energy.
Answers: 2
Chemistry, 23.06.2019 10:30, dreamxette3119
Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease
Answers: 2
Please help ill give you a 100 points! Its urgent!! Q^Q
Question Choice A Choice B Choice C
Mathematics, 26.06.2019 04:30
Mathematics, 26.06.2019 04:30
English, 26.06.2019 04:30