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Ket [755]
3 years ago
7

What is an energy transformation?

Chemistry
1 answer:
Dafna11 [192]3 years ago
4 0
Energy is invisible yet it's all around us and throughout the universe. Energy can never be made or destroyed, but its form can be converted and changed.
While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.
Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. In physics, energy is a quantity that provides the capacity to perform work or provides heat.
When energy is transformed from one form to another, or moved from one place to another, or from one system to another there is energy loss. This means that when energy is converted to a different form, some of the input energy is turned into a highly disordered form of energy, like heat. This consent is known as “hidden energy”.
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Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. Th
Vlada [557]

Answer:

the mass required to inflate a 72 L bag is 191.491 g

Explanation:

reaction:

  • 2 NaN3 ↔ 2 Na + 3 N2

conditions:

  • V = 72.0 L
  • STP: P = 1 atm  ∧ T = 298 K

gas law:

  • PV = RTn
  • R = 0.082 atm * L / K * mol

⇒ n = PV / RT

⇒ n = ((1 atm) * ( 72.0 L)) / (0.082 atm*L / K*mol) * (298 K)

⇒ n = 2.946 mol

⇒ m = n * Mw = ( 2.946 mol ) * ( 64.99 g/mol)

⇒ m = 191.491 g

7 0
3 years ago
Amphetamine was developed initially as a substitute for a closely-related chemical derived from the Chinese herb ma huang. That
Zepler [3.9K]

Amphetamine was developed initially as a substitute for a closely-related chemical derived from the Chinese herb ma huang. That chemical is Ephedrine.

<h3>What is Ephedrine?</h3>

Ephedrine is a stimulant medication that can be considered an amine chemical compound and substituted amphetamine.

Ephedrine is used in sports to stimulate the central nervous system (C_NS) and as energy supplier.  

Ep_hedrine use is prohibited and chronic usage of this substance may have problems the health.

Learn more about Ephedrine here:

brainly.com/question/1122074

4 0
2 years ago
I need help with unit conversion​
saw5 [17]

Answer:

what is it?

Explanation:

you haven't said?

3 0
3 years ago
What diffuses more quickly: tetracarbon decahydride (C4H10) or iodine (12)? By how much?
ValentinkaMS [17]

Answer: Butane will effuse more quickly because it has a smaller molar mass

Explanation:

Molar mass of C4H10 = 58.123 g/mole

Molar mass of I2 = 253.808 g/mole

5 0
3 years ago
Which statement is true about elements?
ipn [44]

I believe the answer is a

7 0
3 years ago
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