Which substance is a polymer found in nature?
carpet
cotton
paint
nylon...
Answers: 3
Chemistry, 22.06.2019 22:30
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
Chemistry, 23.06.2019 00:30
What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced
Answers: 1
Chemistry, 23.06.2019 09:20
1) a. water molecule breaks up into hydrogen and oxygen on passing electricity. does this involve breaking intermolecular or intramolecular forces of attraction. explain b. on boiling water changes to water vapor. does this involve breaking intermolecular or intramolecular forces of attraction. explain methanol evaporates faster than water. contrast the intermolecular forces and the vapor pressures of methanol and water?
Answers: 2
Chemistry, 23.06.2019 09:30
Need , hurry pls create a superhero out of the element iron, what are its powers and his sidekick ( an element that works well with iron). how was the superhero made and who discovered him
Answers: 3
Mathematics, 09.10.2019 03:30
Biology, 09.10.2019 03:30
English, 09.10.2019 03:30
English, 09.10.2019 03:30
Biology, 09.10.2019 03:30
English, 09.10.2019 03:30
Mathematics, 09.10.2019 03:30
Biology, 09.10.2019 03:30