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Genrish500 [490]
3 years ago
13

Why are the atomic masses for most elements not whole numbers?

Chemistry
1 answer:
katovenus [111]3 years ago
3 0
Isotopes are always expressed in decimals. 
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Water, air, buildings, food, and everything visible and invisible have mass and takes up space. What is the word used to describ
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Answer:

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Which process would produce a similar pathway? condensation dehydration decomposition melting
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It is A) Condensation
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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

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4 0
1 year ago
1 i i r 1 X 1 I A mm mm nu. Inchon-Mvim u m an
Setler [38]
The answer is that the pilot was tired of life and committed suicide with hundreds of passengers.
8 0
3 years ago
Which term is described as a long, narrow depression in the ocean floor?
ahrayia [7]
The term which is described as a long, narrow depression in the ocean floor would be ocean trench. They <span>are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor. Hope this answers the question.</span>
8 0
3 years ago
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