Chemistry, 09.12.2019 22:31 santos200154
Given the reactions, x ( s ) + 1 2 o 2 ( g ) ⟶ xo ( s ) δ h = − 890.5 kj xco 3 ( s ) ⟶ xo ( s ) + co 2 ( g ) δ h = + 221.1 kj what is δ h for this reaction? x ( s ) + 1 2 o 2 ( g ) + co 2 ( g ) ⟶ xco 3 ( s )
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
Chemistry, 23.06.2019 04:00, Bassoonist
How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
Answers: 1
Given the reactions, x ( s ) + 1 2 o 2 ( g ) ⟶ xo ( s ) δ h = − 890.5 kj xco 3 ( s ) ⟶ xo ( s ) + co...
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