Predicting Products* Classify the type of reaction in the space in front of the number (S, D, SR, DR, C). Write the
names of the products in the spaces provided at the end.
1. magnesium + nitrogen -
2. aluminum + oxygen
3. zinc + hydrogen chloride -
4. magnesium chloride + fluorine –
5. sodium phosphate + magnesium hydroxide -
6. calcium chloride + potassium sulfate -
7. propane + oxygen
8. methane + oxygen

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н, о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol