Answer: for the table
First row: 2
Second row: 3
Third row: 3
4. The temperature went up, by 8 degrees
5. Endothermic reaction, because it absorbs heat from the environment
6.
Exothermic
Addition of sodium to water
Burning/combustion
Endothermic
Cracking of alkanes
Photosynthesis
Explanation:
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Answer: D. Circulatory System
Explanation: The circulatory system transports gases (oxygen, carbon dioxide), nutrients, and wastes found in the blood throughout the body.
Answer:
296K
Explanation:
To go from Celsius to Kelvin, just add 273!
Answer:
Explanation:
<u>Given Data:</u>
Mass = m = 1500 kg
Speed = v = 30 m/s
<u>Required:</u>
Kinetic Energy = K.E. = ?
<u>Formula:</u>
<u>Solution:</u>
K.E. = 1/2 (1500)(30)²
K.E. = (750)(900)
K.E. = 675,000 Joules
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<h3>~AnonymousHelper1807</h3>