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aliya0001 [1]
3 years ago
15

Choose all the answers that apply.

Chemistry
2 answers:
SVEN [57.7K]3 years ago
7 0
The dependent variable is the height the balls bounce.
The size of the balls is a control.
<span>The independent variable is the type of material the balls are made from.</span>
timofeeve [1]3 years ago
5 0

Todd drops three balls made of different materials to see how high they will bounce. He drops each ball from a height of ten feet. All the balls are the same size.

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Two sealed flasks each have a volume of 2.0 liters. Flask A contains N, O gas and Flask B contains H, gas both at 1
barxatty [35]

Answer:

Each gas have same number of molecules.

Explanation:

According to Avogadro law,

Equal volume of all the gases at same temperature and pressure have equal number of molecules.

Mathematical expression:

V ∝ n

V = Kn

V/n = K

k = constant

V = volume of gas

n = number of moles of gas

when volume change is changed from v1 to v2 and number of moles from n1 to n2 this law can be written as,

V1 / n1 = V2 /n2

This state that by increasing the number of moles of gas volume also goes to increase.

4 0
3 years ago
When electrons are filling energy levels, the lowest energy sublevels are occupied first. This is ____________.
Nimfa-mama [501]

When electrons are filling energy levels, the lowest energy sublevels are occupied first. This is Hund's rule.

Hund's rules state that:

Every orbital in a sublevel has to be singularly occupied before any other orbital is able to be doubly occupied.

All of the electrons in single occupied orbitals have to have the same spin to maximize the total spin.

4 0
3 years ago
Read 2 more answers
Thermal energy lab report
Aleonysh [2.5K]
Uhh add a picture so I can help
4 0
4 years ago
How are natural polymers and synthetic polymers similar?
Anna [14]

Answer: C) Both are made up of monomers that are linked by covalent bonds

Explanation: Polymers are large molecules which are formed by combination of small repeating units called as monomers.

Natural polymers are found in nature such as cellulose whereas synthetic polymers are synthesized in laboratories such as Nylon 6,6.

All the polymers, whether natural or synthetic are made up of monomers and are joined by covalent bonds.


4 0
3 years ago
Massive stars have lower absolute brightness true or false
Juliette [100K]
<span>The answer should be false, because mass should not have to do with how bright a star is </span>
6 0
3 years ago
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