Chemistry, 20.05.2021 04:10, qwertylol12345
A piece of iron at 75.0oC is dropped into 50.0 g of water at 20.0oC. The final temperature of the water is 28.3oC. The specific heat of iron is 0.450 j/goC. Determine the mass of the piece of iron.
Answers: 1
Chemistry, 22.06.2019 10:30, kluckey3426
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
Answers: 1
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
A piece of iron at 75.0oC is dropped into 50.0 g of water at 20.0oC. The final temperature of the wa...
English, 12.10.2019 22:30
Mathematics, 12.10.2019 22:30
Arts, 12.10.2019 22:30
Biology, 12.10.2019 22:30
Chemistry, 12.10.2019 22:30