The equilibrium-constant of the reaction no2(g)+no3(g)⇌n2o5(g) is k=2.1×10−20. what can be said about this reaction? a. at equilibrium the concentration of products and reactants is about the same. b. at equilibrium the concentration of products is much greater than the concentration of reactants. c. at equilibrium the concentration of reactants is much greater than that of products. d. there are no reactants left over once the reaction reaches equilibrium.

Which of the following electromagnetic waves can create ions?

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added