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zheka24 [161]
2 years ago
12

HELPPP PLEASEEEEEE DUE TODAY :(

Chemistry
1 answer:
-Dominant- [34]2 years ago
3 0
JJJJJJJJJJJJJJJ:))))))))))))))
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Help plsss
PtichkaEL [24]
I think number 47 on the map would be New Mexico i hope i helped out
3 0
2 years ago
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2.0 kg of carbon is heated from 25°C to 55°C, and absorbs 42600 joules of heat in the process.
Marrrta [24]

Answer: c = 710 J/kg°C or 0.71 J/g°C

Explanation: Heat is expressed in the formula Q = mc∆T. Derive to find the specific heat c. So the formula will become c = Q / m∆T

c = Q / m∆T

= 42600 J / 2 kg ( 55°C - 25°C )

= 710 J /kg°C

Or can be expressed by converting kg to g.

c = 0.71 J /g°C

6 0
3 years ago
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A neutral atom has an atomic number of 20 and a mass number of 42. How many electrons does the atom have?
Bingel [31]

If we have a neutral atom, then it has the same number protons and neutrons.

The number protons and neutrons for neutral atom shows atomic number.

"A neutral atom has an atomic number of 20" means that atom has 20 protons (that give charge "+ 20" ) and 20 electrons (that give charge "-20").

Answer is 20 electrons.


6 0
3 years ago
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2. The three sub-atomic particles that make up the atom are
AlladinOne [14]

Answer:

Protons

Neutrons

Electrons

Explanation:

5 0
2 years ago
Which of the following is an example of a consumer?
PIT_PIT [208]

Answer:

D. Rabbit

Explanation:

The rabbit is the consumer because he/she (im not judging) will have to consume other plants or small insects to get his/her (again not judging) energy

5 0
3 years ago
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