If the concentration of co2 is 2.90 g of co2 per 1.00 l of soft drink when bottled under 2.0 atm of co2 pressure, what will be the concentration of the co2 in the drink after it has been opened and left to come to equilibrium with the atmosphere which has a co2 partial pressure of 3.0 x 10-4 atm.

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.

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.