Friday
December 6, 2013

# Posts by Jenni

Total # Posts: 78

Chem 1
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

Chem 1
0.266 x 0.400/0.075= 1.42 L

Chem 1
consider 400 mL of a0.266 M LiNO3 solution. To what volume must it be diluted to make a 0.075 M LiNO3 solution.

Chem 1
8x10 -2

Chem 1
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?

math
3x-5y=24 3x+5y=6

Physics
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.

physics
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?

Chemistry
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?

Math
Boring

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