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Anastasy [175]
3 years ago
5

Which law states that absolute zero cannot be reached?

Physics
1 answer:
Lera25 [3.4K]3 years ago
6 0
Assuming you mean temperature

Answer: The third law of thermodynamics
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What happened to the balloon when it was placed on the bottle with the baking soda and vinegar and why.
user100 [1]

Answer:

The ballon would be inflated. The reason is that the sodium bicarbonate in baking soda reacts with acetic acid in vinegar to produce gas.

Explanation:

The main component of baking soda is sodium bicarbonate, {\rm Na_{2}CO_{3}}.

Vinegar is mostly a solution of acetic acid {\rm CH_{3}COOH} in water.

Acids such as acetic acid react with carbonate salts. One of the products of such reactions is carbon dioxide {\rm CO_{2}}, a gas.

In this question, when the acetic acid in vinegar reacts with sodium bicarbonate in the baking soda, the following reaction would occur:

\begin{aligned}& {\rm Na_{2}CO_{3}}\, (aq) + 2\, {\rm CH_{3}COOH}\, (aq) \\ &\to 2\, {\rm CH_{3}COONa}\, (aq) + {\rm CO_{2}}\, (g)\end{aligned}.

The {\rm CO_{2}} produced would then inflate the ballon placed on the opening of the bottle.

5 0
2 years ago
Match the scenario to the type of potential energy represented.
Phantasy [73]

Explanation:

A battery sits in an iPod before the iPod is turned on      Chemical

A man at a carnival lifts a hammer high over his head

before swinging it down onto a pad.                                 Gravitational

A positively charged particle is slowly moved away

from a strong, negatively charged plate                               Electric

The string of a bow and arrow is pulled tight.                      Elastic

Energy is defined as the ability to do work. There are two main forms of energy which are:

  • Potential energy
  • Kinetic energy

Chemical energy energy is a form of potential energy produced through chemical reactions. A car battery is an electrochemical that converts chemical energy into electrical energy for use in the iPod. The battery is made up of electrodes through which electron flows in one direction and current is generated by the potential difference set up

Gravitational energy is a form of potential energy that tends to pull all bodies to the center of the earth. It is an attractive force.

Electrical energy is a form of energy produced through the flow of electric current in a body. As the positive charge moves away from the strong negative plate, an electric current is produced.

Elastic energy is a potential energy stored in elastic bodies that can be stretched and are not plastic.

Learn more;

Energy brainly.com/question/9231468

#learnwithBrainly

4 0
3 years ago
A machine with a mechanical advantage of 10 is used to produce an output force of 250 Newton’s. What input force is applied to t
finlep [7]

Answer:

que tue nesisitas

Explanation:

4 0
3 years ago
Two identical plastic cups contain the same amount of water at two different temperatures, as shown to the left. Both cups are p
Elza [17]

Answer:

the molecules will begin to move slowly and will turn to ice

Explanation:

hope this was good or not not sure if am right but yeah

6 0
3 years ago
During its swing, a pendulum on a clock has the kinetic energy of 6J and the potential energy of 5J. What formula will you use t
svlad2 [7]

Answer:

Potential energy is converted to kinetic energy, which is the energy exerted by a moving object. An active pendulum has the most kinetic energy at the lowest point of its swing when the weight is moving fastest.

Explanation:

6 0
3 years ago
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