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fomenos
3 years ago
15

What happens during nuclear reaction that does not happen during a chemical reaction?

Chemistry
1 answer:
jarptica [38.1K]3 years ago
5 0

A chemical reaction does not create or destroy matter, it simply moves electrons from one atom to another, but does not change the nucleus of the atoms. ... The total mass of the matter can change during a nuclear reaction, the mass loss can convert into energy, which is called the nuclear power.

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Liquid molecules also have a strong attraction to one another
cupoosta [38]

Answer:

yes that is true.Because they are ions.oppositely chared ions attract each other

7 0
4 years ago
For a particular isomer of C8H18, the combustion reaction produces 5113.3 kJ of heat per mole of C8H18(g) consumed, under standa
mart [117]

Answer: The standard enthalpy of formation of this isomer of C_8H_{18}(g) is -210.9 kJ

Explanation:

The given balanced chemical reaction is,

C_8H_{18}(g)+\frac{25}{2}O_2(g)\rightarrow 8CO_2(g)+9H_2O(g)

First we have to calculate the enthalpy of formation of  C_8H_{18}.

\Delta H^o=H_f_{product}-H_f_{reactant}

\Delta H^o=[n_{CO_2}\times \Delta H_f^0_{(CO_2)}+n_{H_2O}\times \Delta H_f^0_{(H_2O)}]-[n_{O_2}\times \Delta H_f^0_{(O_2)+n_{C_8H_{18}}\times \Delta H_f^0_{(C_8H_{18})}]

where,

We are given:

\Delta H^o_f_{(CO_2(g))}=-393.5kJ/mol\\\Delta H^o_f_{(H_2O(g))}=-241.8kJ/mol\\\Delta H^o_f_{(O_2(g)))}=0kJ/mol

Putting values in above equation, we get:

-511.3kJ/mol=[(8\times -393.5)+(9\times -241.8)]-[(\frac{25}{2}\times 0)+(1\times \Delta H_f^0_{(C_8H_{18})}

\Delta H_f^0_{(C_8H_{18})}=-210.9kJ

7 0
4 years ago
Read 2 more answers
Methane is the chemical that is most abundant in natural gas.<br> a. True<br> b. False
aliya0001 [1]
<span>a. True. Methane is the chemical that is most abundant in natural gas. </span>

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4 years ago
What is the name for Si3S
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Explanation:

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3 years ago
6th grade science help me please (:
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Answer:

d

Explanation:

evaporation is the process by which liquid mollecules are converted to gaseous mollecules

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4 years ago
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