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AnnyKZ [126]
3 years ago
10

EASY 8TH GRADE SCIENCE

Chemistry
2 answers:
mixer [17]3 years ago
6 0
Generally chemists measure substance in moles because it is very difficult to count the number of molecules<span />
Korvikt [17]3 years ago
6 0

the answer is Mole. if this helps

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What is the kinetic energy in kJ of 1 mole of water molecules (mass=18) if the average velocity is 590 m/s (1300 mph)
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Answer:

= 3132.9 Joules

Explanation:

  • Kinetic energy is the energy possessed by a body when in motion.
  • Kinetic energy is calculated by the formula; K.E = 1/2 mV², where m is the mass of the body or object, and V is the velocity.
  • Therefore kinetic energy depends on the mass and the velocity of the body or the object in motion.

In this case;

Kinetic energy = 0.5 × 0.018 kg × 590²

                        <u>= 3132.9 Joules</u>

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brainly.com/question/14008526

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