Chemistry, 13.04.2022 14:00 stefkellum58
The value of DH° for the reaction below is -6535 kJ. How many kJ of heat are released in the combustion of 16.0g of C6H6(l)?
2C6H6(l) + 15O2(g) à 12CO2(g) + 6H2O(l)
Question 5 options:
1.34x103
5.23x104
2.68x103
673
-6535
Answers: 2
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
Answers: 1
Chemistry, 22.06.2019 14:50
Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape
Answers: 1
The value of DH° for the reaction below is -6535 kJ. How many kJ of heat are released in the combust...
Biology, 17.12.2019 20:31
Mathematics, 17.12.2019 20:31
Mathematics, 17.12.2019 20:31
Physics, 17.12.2019 20:31
Mathematics, 17.12.2019 20:31
Mathematics, 17.12.2019 20:31