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AB + CD --> AD + CB
Is this reaction endothermic or exothermic and why? (...
Answers: 2
Chemistry, 22.06.2019 22:00, shaylasimonds587
The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
Answers: 2
Chemistry, 23.06.2019 11:20, Chapo3760
Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
Answers: 2
Mathematics, 30.06.2019 10:30
Mathematics, 30.06.2019 10:30
Biology, 30.06.2019 10:30
Mathematics, 30.06.2019 10:30
Mathematics, 30.06.2019 10:30