Chemistry, 26.10.2020 17:00 davidb1113
Oh no! Billy forgot that his calorimeter should have 2 coffee cups to contain all the heat. If Billy dropped a 25.0 g piece of solid iron (Cs= 0.449 J/g°C) at 398 K in a coffee cup containing 25.0 mL of water at 298K and because of his mistake, 21% of the heat that should be transferredfrom the iron to the wateris lost to the atmosphere, calculate the final temperature of the iron water mixture?
Answers: 3
Chemistry, 21.06.2019 19:00
Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct
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Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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Chemistry, 22.06.2019 16:30
4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
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Chemistry, 23.06.2019 03:30
Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic
Answers: 1
Oh no! Billy forgot that his calorimeter should have 2 coffee cups to contain all the heat. If Billy...
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