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777dan777 [17]
2 years ago
11

How does the law of conservation apply to chemical reactions.

Chemistry
1 answer:
tigry1 [53]2 years ago
6 0

The mass of products resulting from a chemical reaction will always be equal to the mass of the reactants.

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The climate of the continental United States is generally _____________.
rodikova [14]
The answer is B. Temperate.
3 0
3 years ago
Activation energy is what kind of chemical reaction that absorbs energy
seraphim [82]

Activation energy is the energy required by reactants to undergo chemical reaction and given products

Every reactant has some internal energy (sum of all kind of energy like kinetic energy, potential energy, mechanical energy, chemical energy etc). It needs some extra energy to undergo chemical reaction which is activation energy

All kinds of reaction whether exothermic or endothermic needs activation energy

Threshold energy = internal energy + activation energy

3 0
2 years ago
How many U.S. gallons are there in a cubic mile? The total proven oil reserves of the U.S. are roughly 30 x 10°bbl. How many cub
Ira Lisetskai [31]

Answer:

1 cubic mile = 1.101 * 10^12 US gallons

1 US bbl oil = 42 US gallons = 3.8143*10^ -11 cubic miles

Explanation:

The number of the exponent of the oil reserve is not very well shown in the question so, I provide you the conversion of bbl oil into cubic mile, the only thing you have to do is multiply the number of bbls of the reserve for the conversion in cubic miles and you'll have the answer.

4 0
3 years ago
Roger has determined the point of origin of a fire at a crime scene. What should he traditionally NOT collect from
Sati [7]

When investigative officers get to a crime scene, they do not need to collect water samples.

<h3>What is a crime scene?</h3>

A crime scene is a place where an offence has been committed. It is usually cordoned off to enable investigation of the crime and the collection of samples.

When investigative officers get to a crime scene, they do not need to collect water samples.

Learn more about investigation:brainly.com/question/1191670

#SPJ1

6 0
2 years ago
How many electrons in the same atom can share the quantum number n = 2?
melisa1 [442]
With the principle quantum number being 2, the maximum number that can share this is 8. You can use the general formula 2n^2 to calculate this number (n=quantum level), or you can use the concept of quantum numbers (n, l, m, s) to justify this answer.
3 0
2 years ago
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