Friday
April 18, 2014

Posts by Meena


Total # Posts: 20

Science
You are given 10 µL of a DNA stock solution that has 1.0 µg target DNA/µL. The target DNA molecule is 2.9 kb in length. Describe a set of serial dilutions that would yield a standard curve with the following concentrations: 2 x10^7 copies/µL, 2x10^6 cop...

physics
two points of charge values Q and q are placed of x and x/2 respectively from third charge of value 4q, all charges being in the same straight line. calculate the magnitude and nature of charge Q such that the net force experienced by the charge q is zero?

English ASAP
Can you please explain exactly the meaning. What does this poem mean and how does it relates to people decision. I need to write an essay about it. Whatever we do, whether we light strangers’ cigarettes—it may turn out to be a detective wanting to know who is free wi...

English Please help ASAP
What does this poem mean and how does it relates to people decision. I need to write an essay about it. Whatever we do, whether we light strangers’ cigarettes—it may turn out to be a detective wanting to know who is free with a light on a lonely street nights— o...

chemisrty
how to prepare 40% of Nitric acid from 70% of the Nitric acid solution

chemistry
how to prepare 24 μL of 5% H3BO3

science
how to prepare 24 μL of 5% H3BO3

physics
a rubber ball of mass 50g falls from a height of 10 cm and rebounds to a height of 50 cm .determine the change in the linear momentum and average force between the ball and the ground taking time of contact as 0.1 sec

Statistics
Test a claim p=0.5 with the significance level of 0.05 and n=49 calculate beta when the true probability porportion is 0.7.

maths
a)-5/12-(-7/12) -5/12+7/12 2/12 1/6 b) -5/12-0 -5/12 c) -5/9-7/9 -12/9 -4/3

statistics
in a batch of 15 students failed in a test. the marks of 10 who have passed were 9,6,7,8,8,9,6,5,4,7.find the median of all 15 students.

speech
it is not the trophy won but the race run that matters-SPORTSMANSHIP

history
we are doing this debate. i am on the history team. why is history more important than math, art (lit included), social sciences, natural sciences. and what are those subjects' flaws

Religion
Thanks

Religion
& when is The Hail Mary usually used?

Religion
I`m not catholic so I need some help. I need a quick catholic prayer. A well known one thats kinda short, I need to include it in my essay. If you could help me out that would be great.

Chemistry
how would i calculate the H+?

Chemistry
Calculate the percent dissociation of acetic acid (Ka = 1.8 x 10-5) in a solution containing 0.00973 M CH3COOH and 0.0124 M K(CH3COO). Report your answer to 2 significant figures. Thanks!

Chemistry
nope, the equation given is all aqueous.

Chemistry
3Ca(CH3COO)2(aq) + 2H3PO4(aq) ¨ Ca3(PO4)2(aq) + 6CH3COOH (aq) reduce in net ionic form... how do you know what to separate? for example, how would i know to separate Ca and PO4 or to keep it together??

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