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Rufina [12.5K]
4 years ago
6

To cook food, a microwave oven converts electrical energy into ________ energy. A) electromagnetic B) heat C) mechanical D) nucl

ear
Chemistry
1 answer:
Mariana [72]4 years ago
7 0

Answer: Option (B) is the correct answer.

Explanation:

When we heat food in a microwave then the electrical energy of microwave produces microwaves which are also part of electromagnetic spectrum.

These microwaves are absorbed by food and as a result microwaves change into heat energy. Therefore, food becomes hot.

Thus, we can conclude that to cook food, a microwave oven converts electrical energy into heat energy.

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Carbon Dioxide + Water --> Glucose + Oxygen + Energy(ATP) 
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Reactants: Carbon Dioxide + Water
Products: Glucose, Oxygen, and Energy
8 0
3 years ago
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How much heat, in joules, is required to warm a metal disc from 19 °C to 33 °C? The
zalisa [80]

Answer:

Q = 96.6 j

Explanation:

Given data:

Heat required = ?

Initial temperature = 19°C

Final temperature = 33°C

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Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

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ΔT = 14°C

Q = 3.0 g×2.3 J/g.°C × 14°C

Q = 96.6 j

3 0
3 years ago
Does you have more momentun when you are running 3 km/hr or when you are walking 1 km/hr? Explain your answer
Alexus [3.1K]
3 km/h

formula for momentum = mass x velocity
4 0
3 years ago
Who were Watson and crick and what important contribution to DNA science did they make?
Leto [7]
 Watson and Crick first contribution to DNA science was they proposed the theory of the structure of DNA. Watson  and Crick's model DNA In the shape of a double helix.  they determined the structure of DNA, it is a double helix. DNA molecule that helped scientist better understand the structure of DNA. 
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3 years ago
Natural Phenomena that cause climate change<br> (Need at least 2)
Tom [10]

Answer:

1. The Earth's orbit around the Sun is an ellipse, but it does change shape. ...

The tilt in the axis of the Earth is called its obliquity

Explanation:

2.Volcanic eruptions pump out clouds of dust and ash, which block out some sunlight.

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