Answers: 3
Chemistry, 22.06.2019 00:00
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
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 20:40
Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
IN THE CHAPTER METALS AND NON- METALS THERE WAS A STRANGE QUESTION I FOUND, PLEASE ANSWER TO IT: why...
Mathematics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
History, 10.09.2020 01:01
Physics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
Physics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
English, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
Mathematics, 10.09.2020 01:01
Arts, 10.09.2020 01:01
Arts, 10.09.2020 01:01
English, 10.09.2020 01:01
Biology, 10.09.2020 01:01
English, 10.09.2020 01:01
English, 10.09.2020 01:01