4
a piece of potato of initial mass 25 g was placed in water. after 15 minutes its final mass...
Chemistry, 10.10.2019 00:00 sandlobster3129
4
a piece of potato of initial mass 25 g was placed in water. after 15 minutes its final mass was 50 g.
calculate the percentage gain in mass of the potato.
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
Chemistry, 22.06.2019 14:00
Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *
Answers: 2
Chemistry, 22.06.2019 19:30
What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2
Answers: 3
Chemistry, 22.06.2019 21:40
A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?
Answers: 3
You know the right answer?
Questions
Mathematics, 25.03.2020 05:20
History, 25.03.2020 05:20
Mathematics, 25.03.2020 05:21
History, 25.03.2020 05:21
