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Vlad1618 [11]
3 years ago
6

What is the mass number of a carbon isotope with 10 neutrons

Chemistry
2 answers:
Korvikt [17]3 years ago
4 0

Answer:

16 because carbon atom having usual 6 neutron have a mass number of 12 and that with 7 neutron has mass number of 13

Elena-2011 [213]3 years ago
4 0
A carbon atom with 10 neutrons would have a mass number of 16.
On the periodic table, carbon has an atomic number of 6 which indicates the amount of protons in the atom. Since atomic mass is the result of adding the amount of protons and neutrons in an atom together, we get that 6+10=16 and that 16 is the atomic mass.
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Which event would be impossible to explain by using John Dalton's model of the atom
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What happens if you cross a heterozygous organism with a heterozygous organism?
maw [93]
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3 years ago
An iron bar of mass 841 g cools from 84°C to 7°C. Calculate the heat released (in kilojoules) by the metal.
Oduvanchick [21]

Answer:

28.75211 kj

Explanation:

Given data:

Mass of iron bar = 841 g

Initial temperature = 84°C

Final temperature = 7°C

Heat released = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

specific heat capacity of iron is 0.444 j/g.°C

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 7°C - 84°C

ΔT = -77°C

By putting values,

Q = 841 g × 0.444 j/g.°C × -77°C

Q = 28752.11 j

In Kj:

28752.11 j × 1 kJ / 1000 J

28.75211 kj

8 0
3 years ago
What was Ernest Rutherford's experiment?
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Answer:

C. He shot tiny alpha particles through a piece of gold foil.

Explanation:

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6 0
3 years ago
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