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12345 [234]
3 years ago
14

What is measured by the heat of reaction?

Chemistry
1 answer:
bixtya [17]3 years ago
6 0

Answer:

The heat of reaction is basically the energy that is being released and or absorbed when chemicals are transformed in a type of chemical reaction. However, the heat of reaction or also called reaction enthalpy is mostly or typically expressed as a molar enthalpy in kJ/mol and or as just a specific enthalpy in kJ/kg or kJ/L.

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What is silicons reactivity level
egoroff_w [7]

Answer:

this is your answer

Explanation:

Silicon, like carbon, is relatively inactive at ordinary temperatures; but when heated it reacts vigorously with the halogens (fluorine, chlorine, bromine, and iodine) to form halides and with certain metals to form silicides.

hope it helps

good day (≧▽≦)

5 0
2 years ago
Read 2 more answers
2Li + H2SO4=Li2SO4 + H2 How many liters of hydrogen gas, H2 at STP can be produced from 3.0 moles of Li? The molar volume of a g
Gemiola [76]

Answer:

volume of H_2=33.6 litre

Explanation:

Firstly balance the given chemical equation,

2Li + H_2SO_4=Li_2SO_4 + H_2

From the given balance equation it is clearly that,

2 mole of Li gives  1 mole of H2 gas

2 mole Li⇔1 mole H_2

1 mole Li⇔0.5 mole H_2

3 mole Li⇔1.5 mole H_2

hence

3 mole of Li will give 1.5 mole H2 gas

therefore volume of gas produced from 3 mole Li at STP = 1.5\times22.4 \frac{L}{mol}

volume of H2=33.6 litre

7 0
3 years ago
Which components of the atom have a positive charge?
Sveta_85 [38]

Answer:

protons have a positive, neutrons have no charge and electrons have a negative chage

Explanation:

4 0
3 years ago
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Molecules are packed tigghtly together
Tju [1.3M]
Yes molecules are tightly together. Hope this helps
4 0
3 years ago
How many electron are in the outer shell of an neutral atom of 14 atomic number
Anon25 [30]
I think there is 4 electrons in the outer shell of 14 atomic number. If I'm wrong, know that I'm not very good.
5 0
3 years ago
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