Chemistry, 28.12.2020 01:00 smartie80

Hi, please help. I have a Chemistry exam coming up. Any apps or advice to help me study??

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 16:40, ricardoamora54

Who is better, messi or cristiano, i need this for a chemistry class. asap

Answers: 1

continue

Chemistry, 21.06.2019 22:30, 20heldmadison

Hot air balloons float in the air because of the difference in density between cold and hot air. in this problem, you will estimate the minimum temperature the gas inside the balloon needs to be, for it to take off. to do this, use the following variables and make these assumptions: the combined weight of the pilot basket together with that of the balloon fabric and other equipment is w. the volume of the hot air inside the balloon when it is inflated is v. the absolute temperature of the hot air at the bottom of the balloon is th (where th> tc). the absolute temperature of the cold air outside the balloon is tc and its density is ďc. the balloon is open at the bottom, so that the pressure inside and outside the balloon is the same. as always, treat air as an ideal gas. use g for the magnitude of the acceleration due to gravity.

Answers: 1

continue

Chemistry, 22.06.2019 00:00, chameleonsarelife

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Answers: 3

continue

Chemistry, 22.06.2019 10:10, veronica022