Answers: 1
Chemistry, 23.06.2019 01:00, zitterkoph
Which of the following is a physical change? a. burning a piece of wood b. sawing a piece of wood in half c. rust forming on an iron fence d. a copper roof changing color from orange to green
Answers: 1
Chemistry, 23.06.2019 11:00, alejachico2
Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 1 s. what is your acceleration?
Answers: 1
Chemistry, 23.06.2019 21:20, minecraftsam2018
Yasmin's teacher asks her to make a supersaturated saline solution. her teacher tells her that the solubility of the salt is 360 g/l at room temperature (25 °c). how can yasmin make a supersaturated saline solution? she can add 380 g of salt to 1 l of hot water (75 °c) and stir until all the salt dissolves. then, she can carefully cool the solution to room temperature (25 °c). she can add 360 g of salt to 1 l of room temperature water (25 °c) and stir the solution until all the salt dissolves. she can add 380 g of salt to 1 l of cold water (5 °c) and stir the solution until most of the salt dissolves. then, she can carefully heat the solution to room temperature (25 °c). she can add 380 g of salt to 1 l of room temperature water (25 °c) and let the solution sit for 24 hours, so the salt dissolves.
Answers: 2
The majority of energy used in industrialized countries is produced using renewable resources.
Social Studies, 03.03.2021 01:40
Mathematics, 03.03.2021 01:40
Mathematics, 03.03.2021 01:40
English, 03.03.2021 01:40
Mathematics, 03.03.2021 01:40