thatkiddrew4063
21.03.2020 •
Chemistry
For the reversible, one-step reaction A+B<>C+D, the forward rate constant is 52.4 /mol*h and the rate constant for the reverse reaction is 32.1 L/mol*h. The activation energy was found to be 35.2 kJ/mol for the forward reaction and 44.0 kJ.mol for the reverse reaction.
a) What is the equilibrium constant for the reaction?
b) is the reaction exothermic or endothermic?
c) What will be the effect of raising the temperature on the rate constants and the equilibrium constant?
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Ответ:
Answer : The correct answer is 46 g/L
According to nutritional information given on juice the sugar content is 4.6 g per 100mL . ( Image attached )
Step1 : Convert mL to L
Given : Volume of juice = 100 mL
100 mL x
= 0.1 L
Step 2 : To find concentration of sugar in juice
Concentration =
Given : Grams of sugar present = 4.6 g
Volume of juice = 100mL = 0.1 L
Concentration = 4.6 g / 0.1 L = 46 g/L