Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 16:00
Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .
Answers: 2
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 22.06.2019 22:00
What mass of glucose is produced when 54g of water react with carbon dioxide
Answers: 1
You know the right answer?
Which element is a halogen and has a larger average atomic mass than arsenic (as)? selenium (se) io...
Questions
Mathematics, 25.11.2021 09:30
English, 25.11.2021 09:30
Mathematics, 25.11.2021 09:30
Computers and Technology, 25.11.2021 09:30
Geography, 25.11.2021 09:30
Health, 25.11.2021 09:30
Social Studies, 25.11.2021 09:30
Mathematics, 25.11.2021 09:30
Health, 25.11.2021 09:30
Computers and Technology, 25.11.2021 09:30
