1. The vapor pressure necessary to boil water on Mars is 0.75 atm. At 275 K, water has a vapor pressure of 0.15 atm. What temperature must be achieved to get the liquid to boil? Assume the volume of the container is not a factor. LAW:
2. How many liters of air at Standard Conditions of 1.0 atm are required to inflate a tire 1.5 cubic meters (m3) to a pressure of 2.5 atm? LAW:

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

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 statement describes james chadwick’s discovery.