Chemistry, 20.10.2020 01:01, savannahwonder
I just need the description and uses for these four elements
Answers: 1
Chemistry, 23.06.2019 00:30, lareynademividp0a99r
Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?
Answers: 1
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
Chemistry, 23.06.2019 13:00, madelyngv97
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
I just need the description and uses for these four elements
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Physics, 28.01.2020 20:57
Physics, 28.01.2020 20:58
Mathematics, 28.01.2020 20:58