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FinnZ [79.3K]
4 years ago
8

The diagram shows a balloon that was rubbed with a piece of cloth what is the change

Chemistry
1 answer:
Ede4ka [16]4 years ago
4 0

Answer: the electric charge

Explanation:

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C. A paramecium is a single-celled organism that lives in ponds. It travels at a rate of 2,000 micrometers per second. What is t
ruslelena [56]

Answer:

7.2 meters per hour

Explanation:

It is given that,

The speed of a paramecium is 2,000 micrometers per second.

We need to find the speed of the paramecium in meters per hour.

We know that,

1\ \mu m=10^{-6}\ m

and

1 hour = 3600 seconds

v=2000\ \dfrac{\mu m}{s}\\\\=2000\times \dfrac{10^{-6}\ m}{(\dfrac{1}{3600})\ s}\\\\=7.2\ \text{meters/hour}

Hence, the speed of the paramecium is 7.2 meters per hour.

4 0
3 years ago
"An acid is a substance that forms hydrogen ions when dissolved in water." this is an example of-
ValentinkaMS [17]
Hmm. This is very unspecific but it could either be indicating the pH of the solution or just saying it is an aqeous solution.
5 0
3 years ago
Read 2 more answers
A gas with a volume of 8 L at a temperature of 473K is switched to a new container with a temperature of 350K. If the pressure r
Digiron [165]

Answer:

The new  volume is 5.92 L,  which is approximately 6 L

Explanation:

As the gas temperature increases, the molecules move faster and take less time to reach the walls of the container. This means that the number of crashes per unit of time will be greater. That is, there will be an increase (for an instant) in the pressure inside the container and the volume will increase.

So Charles's Law is one of the gas laws that relates the volume and temperature of a certain amount of gas at constant pressure and says that:

  • If the temperature increases the volume increases
  • If the temperature decreases the volume decreases

Mathematically this is expressed by:

\frac{V}{T}=k

When you want to study two different states, an initial and a final one of a gas, this law is expressed by:

\frac{V1}{T1} =\frac{V2}{T2}

In this case:

  • V1: 8 L
  • T1: 473 K
  • V2: ?
  • T2: 350 K

Replacing:

\frac{8 L}{473K} =\frac{V2}{350K}

Solving:

V2=350K*\frac{8L}{473K}

V2=5.92 L

<u><em>The new  volume is 5.92 L,  which is approximately 6 L</em></u>

5 0
3 years ago
The ability of organisms to function within a specific range of temperatures, salinities, or rainfall amounts?
balandron [24]

Answer:

The range of variation under which a species can function and reproduce is called its tolerance range.

Explanation:

PLZZZ MARK ME BRAINLIESTTTTT

3 0
3 years ago
Assertion: Atomic mass of aluminium is 27 Reason: An atom of aluminium is 27 times heavier than 1 / 12th of the mass of the C –
Korvikt [17]

Answer:

i is the correct answer.

Explanation:

the RAM of aluminum is indeed 27. And since the RAM of substances are measured in terms of the C-12 isotope then R indeed explains why the RAM Al is 27.

5 0
3 years ago
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