Observe the following reaction: 2 s (s) + 3 o2 (g) → 2 so3 (g) what volume of sulfur trioxide would be produced by reaction of 2. 56 l of oxygen with excess sulfur at stp?.

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?