Chemistry, 24.03.2020 20:39, decoreyjpaipxv
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl ( aq ) HCl(aq) , as described by the chemical equation MnO 2 ( s ) + 4 HCl ( aq ) ⟶ MnCl 2 ( aq ) + 2 H 2 O ( l ) + Cl 2 ( g ) MnO2(s)+4HCl(aq)⟶MnCl2(aq)+2H2O(l)+ Cl2(g) How much MnO 2 ( s ) MnO2(s) should be added to excess HCl ( aq ) HCl(aq) to obtain 385 mL Cl 2 ( g ) 385 mL Cl2(g) at 25 °C and 765 Torr 765 Torr ?
Answers: 2
Chemistry, 21.06.2019 21:30, gatorr2010
An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.
Answers: 3
Chemistry, 23.06.2019 01:00, stefaniethibodeaux
Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric ac...
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