Which phrase change is an endothermic change? (1 point)
a) condensation
b) vaporization...
Chemistry, 23.01.2020 11:31 bowmanari2154
Which phrase change is an endothermic change? (1 point)
a) condensation
b) vaporization
c) deposition
d) freezing
Answers: 3
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Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2
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An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
Answers: 1
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Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
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