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hodyreva [135]
2 years ago
13

Which electron transition is accompanied by

Chemistry
1 answer:
Step2247 [10]2 years ago
4 0
The answer is 3 I hope this helps
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Complete combustion of 2.0 metric tons of coal to gaseous carbon dioxide releases 6.6X10¹⁰ J of heat. Convert this energy to
Jobisdone [24]

6.6 × 10^{10} J = 6.2 × 10^{7} British thermal units

First of all, we should know that 1 British thermal unit = 1055 Joules.

From question, heat = 6.6 × 10^{10} J

1 BTU = 1055 J

6.6 × 10^{10} J = \frac{1}{1055} ×  6.6 × 10^{10} British thermal units

                   = 6.2 × 10^{7} British thermal units

1000 Joules = 1 kilojoule

A kilojoule is a unit of measure of energy, in the equal way that kilometers degree distance. meals energy used to be measured in energy  and some international locations still use those gadgets.

The power we get from foods and drinks is measured in kilojoules. that is the metric time period for calorie. Kilojoules and energy constitute the equal aspect. One calorie is ready four kilojoules.

Calorie a unit for measuring warmth same to the quantity of warmth required to elevate the temperature of one gram of water one diploma Celsius.

Learn more about kilojoules here :- brainly.com/question/490326

#SPJ4

4 0
1 year ago
11) Predict the products of this reaction.
balu736 [363]

Answer:

6FCRXCTV

Explanation:

  1. ED5RF6GT7HY8JU9KI0LO-;PJH7YNG6GD
7 0
2 years ago
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Please help, 15 points
oee [108]

1rst is D, second is A

Explanation:

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3 years ago
Is Al2O3 an acid or a base?
kirza4 [7]
 Al_2O_3 is aluminium oxide (also called aloxide, aloxite and alundum). It is neither acid nor base. It has amphoteric nature meaning it can act as an acid with bases and as a base with acids. It neutralises them to salts. 
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What is a example of a population​
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how much people there are example a small town have 500 people living in that town

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