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Calculate the freezing point and boiling point of each aqueous solution, assuming complete dissociation of the solute.
a. 0.100 m K2S
b. 21.5 g of CuCl2 in 4.50 x102 g water
c. 5.5% NaNO3 by mass (in water)
Which base 10 (Dienes) blocks represent the sum of 1034 and 675
2H2(g) + O2(g) -> 2H2O(I)
Рахмет, +
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N2(g,10 atm) -> N2(g,1atm)
N2(g,10 atm) -> N2(g,1atm)
Directions: Predict whether the entropy change of the system in each of the
following is positive or negative.
In the context of choosing a "whole", explain when a "fifth" is not always equal to a "fifth". Give an example. (2)
15. Use the number line to round 73 562 to the nearest multiple of 1 000.
During baking, Maillard reaction cause the crust of the bread to turn golden brown and the typical freshly baked bread flavour to develop. Discuss the chemistry of the reaction (12 Marks) and the implications (10 Marks) if glucose oxidase had to be added in the bread formulation.
Discuss the relationship between the melting point of a fat and the composition and conformation of its fatty acids. Use examples of specific fatty acids to support the discussion. (9 Marks)
3.2 Name and briefly discuss the technological functions of two synthetic emulsifiers that are used in baked products such as bread (8 Marks)
#339914 on Dec 2023