Which material properties improve most (as compared to the unreinforced matrix) when forming the following types of composites: ceramic matrix composites (2 pt) 3 metal matrix composites (2 pts) answer polymer matrix composites

For the following reaction, 5.65 grams of oxygen gas are mixed with excess hydrochloric acid . assume that the percent yield of water is 86.4 %. hydrochloric acid(aq) + oxygen(g) water(l) + chlorine(g) what is the ideal yield of water ? grams what is the actual yield of water ? grams

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Which other elements contain the same number of outer electrons as sodium