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horrorfan [7]
3 years ago
14

What is the momentum of a 0.01 kg toy car moving at 5.0 m/s?

Chemistry
1 answer:
snow_tiger [21]3 years ago
8 0

Answer: 0.05 kgm/s

Explanation:

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7. Although carbon's three isotopes are carbon-12, carbon-13, and carbon-14, its
Naddik [55]

Answer:

B

Explanation:

carbon 12 is most useful to humans

4 0
2 years ago
How many chlorine atoms are found in 8.3 moles of chlorine?
erik [133]

Answer:

5*10²⁴ chlorine atoms are found in 8.3 moles of chlorine.

Explanation:

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023*10²³ particles per mole. Avogadro's number represents a quantity without an associated physical dimension, so it is considered a pure number that allows describing a physical characteristic without an explicit dimension or unit of expression. Avogadro's number applies to any substance.

Then you can apply the following rule of three: if 1 mole of the compound contains 6.023 * 10²³ atoms, 8.3 moles of the compound how many atoms does it have?

amount of atoms=\frac{8.3 moles*6.023*10^{23}atoms }{1 mole}

amount of atoms≅ 5*10²⁴ atoms

<u><em>5*10²⁴ chlorine atoms are found in 8.3 moles of chlorine.</em></u>

4 0
2 years ago
Hydrocarbons separated by fractional distillation of petroleum can be cracked to make
lana66690 [7]

Answer:

c.hg cannot be cracked for fractional distillation as there is only one of each

Explanation:

8 0
3 years ago
'Suppose you take 0.0332 kg of ammonium carbonate and dissolve it using 0.0395 kg of water. What would be the mass percent conce
VMariaS [17]

The solution is 45.7 % (NH₄)₂CO₃ by mass.

Mass of solution = 0.0332 kg + 0.0395 kg = 0.0727 kg

% (NH₄)₂CO₃ = Mass of (NH₄)₂CO₃/Total mass × 100 % = 0.0332 kg/0.0727 kg × 100 % = 45.7 %


8 0
3 years ago
"You are asked to classify an exocrine gland found in the skin based solely on the chemical analysis of its product, which turns
Mice21 [21]

Answer:

sweat glands

Explanation:

sweat glands are the only ones that can produce dermcidin, Nacl, urea and ammonia.  

5 0
3 years ago
Read 2 more answers
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