Physics, 20.12.2019 21:31 uniqueray33
100 g of liquid nitrogen at its boiling point of 77 k is stirred into a beaker containing 500 g of 15°c water.
if the nitrogen leaves the solution as soon as it turns to gas, how much water freezes?
the heat of vaporization of nitrogen is 48 cal/g and that of water is 80 cal/g.
a. noneb. 29 gc. 68 gd. 109 g
Answers: 2
Physics, 22.06.2019 06:30
Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
Answers: 1
Physics, 22.06.2019 09:30
(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 3
Physics, 22.06.2019 15:10
What does si stand for,when referring to a system of measurement
Answers: 1
100 g of liquid nitrogen at its boiling point of 77 k is stirred into a beaker containing 500 g of 1...
Mathematics, 23.09.2019 01:00
Mathematics, 23.09.2019 01:00
Mathematics, 23.09.2019 01:00
Computers and Technology, 23.09.2019 01:00
Health, 23.09.2019 01:00
Biology, 23.09.2019 01:00
Biology, 23.09.2019 01:00
Mathematics, 23.09.2019 01:00
Health, 23.09.2019 01:00
Mathematics, 23.09.2019 01:00
Chemistry, 23.09.2019 01:00