Chemistry, 17.12.2021 03:20 Imamdiallo18
Carbon reacts with oxygen to produce carbon dioxide (CO2 (g), Delta. Hf = â€"393. 5 kJ/mol) according to the equation below. Upper C (s) plus 2 upper O subscript 2 (g) right arrow upper C upper O subscript 2 (g). What is the enthalpy change of the reaction? Use Delta H r x n equals the sum of delta H f of all the products minus the sum of delta H f of all the reactants. â€"393. 5 kJ â€"196. 8 kJ 196. 8 kJ 393. 5 kJ.
Answers: 1
Chemistry, 21.06.2019 17:00
This line graph compares the growth of plants that were kept in the sun for different amounts of time.a) on day 7, the plants kept in the sun for 3 hours were how tall? b) on day 7, the plants kept in the sun for 6 hours were how tall? c) on day 10, the plants kept in the sun for 9 hours were how tall? d) on day 11, the plant that was grown with 1 hour of sunlight was how tall? e) based on the graph, the plant grows best in what amount of sunlight?
Answers: 1
Chemistry, 22.06.2019 03:30
The boiling point of liquids is very high what does it indicate
Answers: 1
Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
Carbon reacts with oxygen to produce carbon dioxide (CO2 (g), Delta. Hf = â€"393. 5 kJ/mol) accordin...
Mathematics, 29.04.2021 16:50
Mathematics, 29.04.2021 16:50
Mathematics, 29.04.2021 16:50
Mathematics, 29.04.2021 16:50
History, 29.04.2021 16:50
Mathematics, 29.04.2021 16:50
Mathematics, 29.04.2021 16:50
History, 29.04.2021 16:50
Mathematics, 29.04.2021 16:50