Chemistry, 09.09.2021 16:20 nathanowens121224
cho 10,8 gam kim loại M hóa trị 3 tác dụng vs khí clo tạo thành 53,4 gam muối . Tính khối lượng KMnO4 và thể tích dung dịch HCl 2M cần dùng để điều chế được lượng Cl sử dụng cho phần phản ứng trên
Answers: 1
Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
Answers: 2
Chemistry, 21.06.2019 22:30
Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l
Answers: 3
Chemistry, 22.06.2019 05:00
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
Answers: 3
Chemistry, 22.06.2019 05:30
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
Answers: 2
cho 10,8 gam kim loại M hóa trị 3 tác dụng vs khí clo tạo thành 53,4 gam muối . Tính khối lượng KMnO...
History, 11.07.2019 10:30
Mathematics, 11.07.2019 10:30
History, 11.07.2019 10:30
Geography, 11.07.2019 10:30
Biology, 11.07.2019 10:30
Mathematics, 11.07.2019 10:30
English, 11.07.2019 10:30
Social Studies, 11.07.2019 10:30
Mathematics, 11.07.2019 10:30
Mathematics, 11.07.2019 10:30
Mathematics, 11.07.2019 10:30