Which one of the following electron transitions would result in the loss of energy from a hydrogen atom? a. n=1 to n=3 b. n=5 to n=3 c. n=4 to n=6 d. n=1 to n=5
0.266 x 0.400/0.075= 1.42 L
consider 400 mL of a0.266 M LiNO3 solution. To what volume must it be diluted to make a 0.075 M LiNO3 solution.
Consider the following reaction. Assume that there is excess C3H7SH present. If we start with 0.5 moles O2, how many mols of SO2 can form?
This problem is about the work-energy theorem. What is the final speed of the particle? Express your answer in terms of K_f and M.
when a 0.05kg bullet is fired into a block that is suspended by a long cord so that it can swing as a pendulum. if the block is displaced so that its centre of gravity rises by 0.10m,what was the speed of the bullet?
Consider the following reaction: 2NaCl(aq) + H2O(l) -> Cl2(g) + H2(g) + 2NaOH(aq) A 10.0g sample of sodium chloride was placed in 10.0 g of water. If 3.85 g of Cl2 was obtained, what was the percent yield of Cl2?