Questions and answers by

amy

Questions (540)

please this is the last problem i have to do and i just can't get it thanks for anyhelpWhich of the ordered pairs is a solution
1. 1 answer
2. 383 views
In social studies we are doing the thirteen colonies I need to know more about the first newspapers I need websites with some
1. 1 answer
2. 609 views
how do you add ph values of neutrals and bases in chemistry?
1. 1 answer
2. 329 views
during an average lifetime a woman loses 40 pounds of skin. Life expectancy for a woman is 79.2 years. How many pounds of dead
1. 1 answer
2. 906 views
The average speed of a nitrogen molecule in air is proportional to the square root of the temperature in kelvins. If the average
1. 0 answers
2. 1,069 views
In cleaning out the artery of a patient, a doctor increases the radius of the opening by a factor of two. By what factor does
1. 2 answers
2. 923 views
in what state can you find an inland location that is lower than sea level? what is the name of the location?
1. 2 answers
2. 454 views
What are the Ethics and morality of christianity?
1. 3 answers
2. 609 views
Who is the inventor of the FOIL method?some one answer me!! The history of mathematics in India is ancient. The Hindu Vedic
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2. 944 views
f(x)=x^2/4+x^3find the power series representation...so far i found ...Óx^2n+2/4^n...is dat correct?...nd then it is asking to
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2. 526 views
So I was given this question that I havetried to solve multiple times but I just can't get it. Here it is[it's a long one!]Nitro
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2. 504 views
I am still not understanding how to calculate n in Ecell=Enaughtcell-(.0592/n)logQ.Example: Au/Au^3+ and Cu/Cu^2+ If I am
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2. 519 views
I need help determining a concentration. A voltaic cell has a Hg/Hg2^2+ electrode and a Sn/Sn^2+ electrode (Enaught cell =
1. 0 answers
2. 757 views
One more problem with 1/2 reactionsPb(s) + PbO2(s) + 2H2SO4(aq)->2PbSO4(aq)+2H2O(l). How do you split them up with two Pb solids
1. 0 answers
2. 1,160 views
I need help splitting this reaction into 1/2 reactions3I2(s) + 2MnO2(s)+8 OH-(aq)<-> 6I-(aq) + 2MnO4-(aq) + 4H2O(l) Can you
1. 0 answers
2. 876 views
for the point with cartesioan coordiantes (5,-2) find polar coordinated such that r>0. express it in radians. so far i got the
1. 0 answers
2. 469 views
voltaic cells in non-standard conditions, how does concentration of solm's effect the value of Ecell. I understand that as
1. 0 answers
2. 535 views
in analyzing household bleach. I have a flask that contains 10.00 mL diluted bleach + 0.4g KI + 20 mL distilled water and 20
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2. 789 views
How many moles of NAOCl are there in 3mL of bleach solution. The density of the solution is 1.005g bleach soln/mL and it is
1. 0 answers
2. 1,161 views
I need help setting up a problem to calculate pH during the titration of 20.00ml Of 0.1000M (CH3CH2)3N (Kb= 5.2 x 10-4) with
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2. 1,062 views
what is the slope of-6,3 -2,-9help -6,3 -2,-9 I take these are coordinates. Gradient of a line is given by: (y2-y1)/(x2-x1) so
1. 0 answers
2. 480 views
find dy/dxy=ln (secx + tanx) Let u= secx + tan x dy/dx= 1/u * du/dx now, put the derivative of d secx/dx + dtanx/dx in. You may
1. 1 answer
2. 1,564 views
I understand that the pH at the half equivalence point gives is the pKa value but could someone explain why this point is the
1. 0 answers
2. 550 views
the question is, if concentrations do not change why is the equilibrium state considered dynamic? First of all I don't
1. 0 answers
2. 492 views
explain why a person will die if their heart stops beating for a few minutesPeople die when their heart stops beating because it
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2. 863 views
HII Like you to help me with my research on Attraction and repulsion of electrical charges If you would give me any links or
1. 0 answers
2. 591 views
what is the verb in the sentence 'the girl is very pretty'.Is it 'is'? Yes.
1. 0 answers
2. 565 views
i'm researching stonehenge for my 8th grade gifted class. where can i find a website that will show me how to build a replica of
1. 0 answers
2. 616 views
what kind of force field surrounds a stationary electric charge? What additional field surrounds it when it moves?"what kind of
1. 1 answer
2. 1,671 views
what is at the bottom of sparta's social group?http://www.pbs.org/empires/thegreeks/educational/lesson1.html Scroll down to
1. 0 answers
2. 699 views
implicit differentation1.y^3=4(x^2+y^2) 2.y^2-3x+2y=0 help please You consider y to be a function of x, but you don't
1. 0 answers
2. 519 views
All the instructions say is: ApplicationsThe United States is China's largest export market. Imports from China grew about 82
1. 0 answers
2. 520 views
Find the equation of the line with the given information.I know how to do this when given (x1,y1) & (x2,y2) but the given
1. 1 answer
2. 625 views
I'm hoping I did thesse right.Solve each quadratic equation. (I don't know how to do symbols on here so i'll write it out in
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2. 698 views
need help unscrambling a word or wordstarluna what is it HELP ME UNSCRAMBLE THESE LETTERS TO MAKE A WORD THAT PERTAINS TO SPACE
1. 157 answers
2. 4,604 views
can you please show me a picture on the back of a postcard? thanks.http://www.postcardsfrom.com/ There are some examples here.
1. 0 answers
2. 420 views
What processes in the transparency release carbon dioxide into the atmosphere?Please check your question. It makes no sense.
1. 0 answers
2. 995 views
I was just wondering if you could give me some tips to help eliminate invalid and unsound claims in writing.Honestly, sometimes
1. 0 answers
2. 1,203 views
Do you believe that it is easier to make an invalid claim than it is to make an unsound one? Why?Please re-post, telling us what
1. 0 answers
2. 420 views
I've gotten confunsed. Please help.Solve: 2y-a = a + 3b ____ ______, for y 3 4 Please show how to solve this. If you mean (2y
1. 0 answers
2. 779 views