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zalisa [80]
3 years ago
11

Write 15 ways in which energy can be transform from one place to another​

Chemistry
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

Energy can be transferred (move from one location to another) and it can change (transform) from one type to another – but the total amount of energy is always conserved, i.e. it stays the same.

Explanation:

1)Electrical energy is moved from the wall socket through the cable, and stored in the phone battery until used.

2)The Sun transforms nuclear energy into heat and light energy

3) Our bodies convert chemical energy in our food into mechanical energy for us to move

4)An electric fan transforms electrical energy into kinetic energy

5) Lightning converts electrical energy into light, heat and sound energy

6)mechanical work done by gravity increasing the child speed turns into kinetic energy of the child

7) mechanical work done against friction turns into internal energy of the slide and child

8)heating - due to temperature difference caused electrically or by chemical reaction

9)electrical work - charges moving due to a potential difference

10)radiation - energy tranferred as a wave, eg light and infrared - light radiation and infrared radiation are emitted from the sun

11)for a tumble dryer, the electrical work is transferred into useful internal (thermal) energy which helps to dry clothes - energy is dissipated by sound waves

12)When a skydiver jumps out of a plane, he begins to lose gravitational potential energy as his height decreases and he gains kinetic energy as his speed increases.

13)The light that comes from a smartphone is emitted as light radiation, and the sound waves are produced by a speaker that vibrates back and forth.

14)Fridge magnets, compasses, maglev trains which use magnetic levitation.

15)Human bodies, hot coffees, stoves or hobs. Ice particles vibrate slower, but still have energy.

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All charges in a compound must have ?
MakcuM [25]
They must have both cations and anions.

I hope this helps.
8 0
3 years ago
In a food chain, energy does NOT flow directly from - F producer to decomposer G producer to consumer H consumer to decomposer J
IgorLugansk [536]

Answer:

producer to decomposer

Explanation:

This is because in a food chain , energy flow from one trophic level to another. The producer which include plants are the source of energy which they manufacture good in the presence of light energy from sun. Energy flow directly from the producer to the primary consumer which are heterotrophs that feed on plants. Energy flow from consumer to decomposer after the consumer died and it is decayed.

8 0
3 years ago
What is the empirical formula of a compound composed of 3.25% hydrogen ( H ), 19.36% carbon ( C ), and 77.39% oxygen ( O ) by ma
Montano1993 [528]

Answer:

The answer to your question is C₂HO₃

Explanation:

Data

Hydrogen = 3.25%

Carbon = 19.36%

Oxygen = 77.39%

Process

1.- Write the percent as grams

Hydrogen = 3.25 g

Carbon = 19.36 g

Oxygen = 77.39 g

2.- Convert the grams to moles

                     1 g of H ----------------- 1 mol

                   3,25 g of H -------------  x

                     x = (3.25 x 1) / 1

                     x = 3.25 moles

                    12 g of C ---------------- 1 mol

                     19.36 g of C ----------  x

                     x = (19.36 x 1) / 12

                     x = 1.61 moles

                     16g of O --------------- 1 mol

                     77.39 g of O ---------  x

                      x = (77.39 x 1)/16

                      x = 4.83

3.- Divide by the lowest number of moles

Carbon = 3.25/1.61 = 2

Hydrogen = 1.61/1.61 = 1

Oxygen = 4.83/1.61 = 3

4.- Write the empirical formula

                        C₂HO₃

4 0
3 years ago
During _____, bonds between monomers are broken by adding water.
cricket20 [7]
During _<span>A.   hydrolysis</span>, bonds between monomers are broken by adding water.
Prefix "hydro-" means water.
"-lysis" - disintegration.
3 0
3 years ago
Please help. balance this equation
Nuetrik [128]

Answer:

k=2

ci=2

o=6

k=2

ci=2

o=6

Explanation:

4 0
2 years ago
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