Exothermic and Endothermic Processes Quiz
Authored by Ms. Punyang
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12th Grade
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11 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Do all chemical processes always release energy? Are there reactions that absorb energy?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How can we differentiate heat and temperature?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How can we measure heat?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
How do we quantify the amount of heat absorbed or evolved in a reaction?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Calculate the heat change involved when 2000.0 g of water is heated from 20.0 oC to 99.7 oC in an electric kettle. The specific heat of water is 4.18 J/(g∙°C).
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
A student uses 225 mL of hot water in a lab procedure. Calculate the amount of heat required to raise the temperature of 225 mL of water from 20.0 oC to 100.0 oC. The specific heat of water is 4.18 J/(g∙°C). (Assume 1g=1ml)
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
A block of aluminum weighing 140 g is cooled from 98.4 °C to 62.2 °C with the release of 1080 joules of heat. From this data, calculate the specific heat of aluminum.
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