Chemistry, 15.10.2020 05:01 taloneyes3535
Grade
An aqueous solution of blue copper(II) ions can react with chloride ions to form a yellow
7-9
copper compound. The ionic equation for this reaction is: Cu2+ + 4C [CuCl]
-.1 The forward reaction is endothermic. What two things can you say about the enthalpy change for
the reverse reaction?
Answers: 2
Chemistry, 21.06.2019 13:20
Amixture of gaseous sulfur dioxide and oxygen are added to a reaction vessel and heated to 1000 k where they react to form so3(g). if the vessel contains 0.669 atm so2(g), 0.395 atm o2(g), and 0.0851 atm so3(g) after the system has reached equilibrium, what is the equilibrium constant kp for the reaction: 2 so2(g) o2(g) ⇌ 2 so3(g)
Answers: 3
Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
Grade
An aqueous solution of blue copper(II) ions can react with chloride ions to form a yellow
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