Answer: He spends 29.17 hours per week
Explanation:
1 class = 50mins
7 classes = 7 x 50mins = 350mins
For 5 days in a week, we have
5 x 350mins = 1750mins
Converting to hours, we have
1750 /60 = 29.17 hours
Answer:
Explanation:
Examples of applied chemistry include creation of the variety of laundry detergents on the market and development of oil refineries.
A ammonia as it has the least molar mass
The statue will weather faster because of more surface area.