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vampirchik [111]
3 years ago
14

Complete the passage to Distinguish between mechanical and electromagnetic waves.

Chemistry
1 answer:
wariber [46]3 years ago
4 0

Answer:

waves that move through matter only are called mechanical waves.

waves that move through space only are called electromagnetic waves.

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Determine the change in volume that takes place when a 2.00 L sample of N2 gas is heated from 250 C to 500 C.
Effectus [21]

Answer:

V₂ = 2.96 L

Explanation:

Given data:

Initial volume = 2.00 L

Initial temperature =  250°C

Final volume = ?

Final temperature = 500°C

Solution:

First of all we will convert the temperature into kelvin.

250+273 = 523 k

500+273= 773 k

According to Charles's law,

V∝ T

V = KT

V₁/T₁ = V₂/T₂

V₂ = T₂V₁/T₁

V₂ = 2 L × 773 K / 523 k

V₂ =  1546 L.K / 523 k

V₂ = 2.96 L

4 0
4 years ago
What is the name of the fluid outside the thlyakoids in chloroplasts?
Aleonysh [2.5K]
The stroma is the fluid outside of the thylakoid membrane, within the chloroplast.
4 0
3 years ago
A 225 g sample of french fries supplies 460 kilocalories of energy. 65% of those calories come from fat, which supplies 9 kiloca
brilliants [131]
The french fries gives 460 kilocalories and <span>65% of those calories come from fat. Then, calorie that comes from fat would be: 65% * 460 kcal= 299 kcal

Fat gives </span>energy about 9kcal/gram. Then, the total mass of fat in the french fries would be: 299 kcal/ (9kcal/g)= 33.22 grams
3 0
4 years ago
Read 2 more answers
WHICH OF THE FOLLOWING WOULD NOT BE AN EXAMPLE OF AN OBJECT ACCELERATING?
Marrrta [24]
A would be the correct answer hopefully this helps
5 0
3 years ago
Which of the following is NOT evidence for a chemical reaction?
miss Akunina [59]

Answer:

c

Explanation:

color chance - evidence

gas formation - is evidence

melting - is not (because its only a change in state, eg. ice--> melts into water) melting is an example of physical chance

odor - is evidence

4 0
2 years ago
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