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gayaneshka [121]
2 years ago
13

Much like a battery, wood contains stored energy. What energy transformations occur when wood is burned?

Chemistry
2 answers:
kotykmax [81]2 years ago
8 0

Answer:

Chemical

Explanation:

Allisa [31]2 years ago
3 0
The answer is chemical
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Answer:it will be malfunction

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tekilochka [14]

Answer:

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Explanation:

U dont have to copy and paste this put these are some ideas to use for ur answers

6 0
2 years ago
Which type of radioactive emission has a positive charge and weak penetrating power?
Wewaii [24]
1. alpha particle
alpha particles are positively charged helium nuclei with weak penetrating power
5 0
3 years ago
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vampirchik [111]

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8 0
2 years ago
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If 10.57 g of magnesium reacts completely with 6.96 g of oxygen, what is the percent by mass of oxygen in magnesium oxide? Round
Deffense [45]

Answer:

39.7 %

Explanation:

magnesium + oxygen ⟶ magnesium oxide

   10.57 g         6.96 g               17.53 g

According to the <em>Law of Conservation of Mass</em>, the mass of the product must equal the total mass of the reactants.

Mass of MgO = 10.57 + 6.96

Mass of MgO = 17.53 g

The formula for mass percent is

% by mass = Mass of component/Total mass × 100 %

In this case,

% O = mass of O/mass of MgO × 100 %

Mass of O = 6.96 g

Mass of MgO = 17.53 g

% O = 6.96/17.53 × 100

% O = 0.3970 × 100

% O = 39.7 %

5 0
3 years ago
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