Questions and answers by

david

Questions (508)

methanoic acid react with potassium dichromate to form what?A colorless solution and CO2 is formed as known
1. 1 answer
2. 574 views
Find the first and third quartiles, Q1 and Q3, of the following set of numbers.14, 4, 13, 18, 8, 15, 8, 3, 11, 8
1. 0 answers
2. 482 views
-1/2- (-5/8)=
1. 2 answers
2. 301 views
-9 to the 2nd power - (-6) to the 2nd power
1. 2 answers
2. 477 views
what is a monomerwhat is a polymer what is the structure of a protein
1. 4 answers
2. 864 views
i need to find eveidence of 3 things that jesus did and 3 things jesus didn`t do.thanks!
1. 1 answer
2. 538 views
The first step of the synthesis is described by the reaction below. When 1.200 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of
1. 1 answer
2. 580 views
calculate the equilibrium constant for the reactionas written at 940K.NH4Cl->NH3+HCl delta H= NH4Cl -1779, NH3 -46, HCl -92
1. 0 answers
2. 1,588 views
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
1. 1 answer
2. 972 views
The correct interpretation of the equation below is:?Fe3+(aq) + SCN¨C(aq)¡ú FeSCN2+(aq) A. The reaction is incomplete because
1. 2 answers
2. 1,739 views
the concentration of OH ions in a household ammonia cleaning solution is0.0035M. Calculate the concentration of H ions.would it
1. 1 answer
2. 583 views
If a solution is diluted, say by adding 100ml of solvent, does the number of moles of solute change? Does the concentration
1. 2 answers
2. 604 views
how would i do something like this?Calculate the concentration of borate ion for each titration. Use the borate ion
1. 1 answer
2. 668 views
1)Does the solubility of borax in water increase or decrease as temperature increases?2)Is the solvation of borax in water an
1. 2 answers
2. 1,941 views
Which of the following is NOT true of colligative properties? Colligative properties are...A. dependent on the mass of solute
1. 2 answers
2. 635 views
When 18 g of ethylene glycol C2H6O2 is dissolved in 150 g of pure water, the freezing point of the solution is_C . (The freezing
1. 2 answers
2. 791 views
Solid borax dissolves in water according to the equation:Na2B4O7 10H2O(s) 2Na+ (aq) + B4O5(OH)42–(aq) + 8H2O(l) The sign of
1. 11 answers
2. 810 views
This cube has five cubes along each edge. The faces are covered, but the cube is hollow inside. Can it be divided into two
1. 1 answer
2. 549 views
This cube has five cubes along each edge. The faces are covered, but the cube is hollow inside. Can it be divided into two
1. 0 answers
2. 467 views
2Al+3Cl2=2AlCl3calculate the amount(number) of excess reagen units remaining when 4.03x10^23 Al atoms and 6.42x10^23 Cl2
1. 1 answer
2. 1,237 views
does any one know the french meaning of la nouvelle .
1. 2 answers
2. 373 views
i need to translate countries written in french into english .does anyone know if there are any good sites that will help me.
1. 3 answers
2. 683 views
I tried to answer this but i don't know if i am even close. I included my work .Thanks.The island's travelling sales monkey is
1. 1 answer
2. 428 views
The island's travelling sales monkey is selling gold watches that washed up on the beach. The islanders use green stones, pink
1. 1 answer
2. 461 views
Days on Planet Red are 13 hours long. The animals on Planet Red have regular eating and sleeping habits. The silver snake sleeps
1. 3 answers
2. 551 views
how does a magnet attract a paperclip ?
1. 1 answer
2. 533 views
haylee is geting a job for moing lanws her dad lowns her 190 dollars to by a lawn mower. when she startes she is in depth 190
1. 1 answer
2. 549 views
How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2?
1. 1 answer
2. 1,390 views
Are there more than 3 cities which will be visited by a team from a bordering state? Question 1 week 10 November 11, 2007
1. 2 answers
2. 411 views
Are there more than 3 cities which will be visited by a team from a bordering state? Question 1 week 10 November 11, 2007
1. 6 answers
2. 519 views
how to become en expert?
1. 0 answers
2. 366 views
3/7x+5=8.I tried to cross-mulitplied and I got 3x+35=8. I divided -27 by 3 and I got -9. Is this right?
1. 1 answer
2. 432 views
A particle moves with constant speed of 3m/sec along path y=3x^2What is the acceleration of the particle at x=1.5m? I know that
1. 0 answers
2. 547 views
A particle moves with constant speed of 3m/sec along path y=3x^2What is the acceleration of the particle at x=1.5m?
1. 1 answer
2. 1,437 views
how do i solve square root of 72x to the 3rd power?????
1. 1 answer
2. 560 views
Develop a set of pro forma financials (income statement and balance sheet only) for the next fiscal year-end using the
1. 1 answer
2. 1,175 views
how can you simplify this??log10(10^.5) log10 as in log base 10 By definition: Log_10[10^(x)] = x ok, but it is 10 to the 1/2
1. 0 answers
2. 544 views
a force of 10 pounds is required to stretch a spring of 4 inches beyond it's natural length. assuming hooke's law applies, how
1. 1 answer
2. 2,274 views
how do you calculate the instantaneous rate of change. is that the derivative.also: if f is the antiderivate of (x^2)/(1+x^5
1. 0 answers
2. 663 views
is average rate of change and average value the same or will you get a different answer for eachthis is calculus so it's the
1. 0 answers
2. 1,257 views
what is the sum of geometric infinite series 3/2+ 9/16+ 27/128+ 81/1024=....i know the formula is S=a/(1-r) my teacher, he
1. 4 answers
2. 7,251 views
what is the derivative of x/tan(x) and find f'(pi/4)f'(x)=(tanx-x*sec(x)^2)/(tanx)^2 That's the quotient rule for derivatives or
1. 1 answer
2. 1,049 views
what is the integral of x/(1+x^2)^2 dx This is a question of a past AP exam of calculus BCi know i have to use the substitution
1. 0 answers
2. 535 views
confused about this one.2 samples of water of equal volume are put into dishes and kept at room temp for several days. the water
1. 0 answers
2. 1,246 views
i have to get my cavity removed and i was wondering if you can tell what they do.Will the dentist give you me injection? Will it
1. 0 answers
2. 626 views
a scuba diver breathing normal air descends 100m of depth, where the total pressure is 11 atm. What is the partial pressure of
1. 1 answer
2. 2,359 views
when a gas is collected over water, is the gas pure?No. It has water vapor in it.
1. 0 answers
2. 434 views
find a first degree polynomial function p(1) whose value and slope agree with the value and slope of f at x=c. i think you use
1. 0 answers
2. 894 views
I was wondering if someone could help me find who were the popular women singers in the 1920s, 1930s, 1940s, and 1950s.You know
1. 0 answers
2. 872 views
how do you check an answer if4(j-7)=12 4j-28=12 -16=4j j=4 is this rite?how do you check if rite? It is wrong. When you add 28
1. 0 answers
2. 623 views
Consider the following reaction:2 CH3OH + 3O2 to form 2 CO2 + 4 H20 Each of the following molecular diagrams represents an
1. 1 answer
2. 2,014 views
what is socratic method? i heared a lot of different stuff!!IDEAS PLZ Thank you for using the Jiskha Homework Help Forum. This
1. 0 answers
2. 718 views
not sure i did right3(f+2)+9=13+5f 3f+6+9 = 13+5f +9 3F+15 = 12+5F GOT MIXED UP SOMWERE HELP 3f +6 +9 = 13 + 5f 3f + 15 = 13 +
1. 0 answers
2. 1,430 views
i'm in intro to technology class and i have to find the definition of the command "hostname" you use on the computer and i
1. 0 answers
2. 700 views
I submitted this question earlier... can anyone help me pls.This question is about the polymer made by polymerizing this
1. 0 answers
2. 640 views
This question is about the polymer made by polymerizing this compound:CH2=CH-CH-OH | CH Please identify the monomer unit - there
1. 0 answers
2. 593 views
It is interesting to see how these three Internet sources all cover the same story, but with different methods and techniques to
1. 0 answers
2. 541 views
this is my second paragraph essay for media bias essayM.S.N.B.C news articles are known for being conservative. Some of those
1. 0 answers
2. 633 views
This is my introduction for my media bias essay. The sources i used is from the internet of B.B.C, F.O.X, M.S.N.B.C news. Do i
1. 0 answers
2. 692 views
This is my introduction to my essay for media bias in television news.The primary source of political information in America is
1. 18 answers
2. 1,375 views
i have to find definitions and describe 208 words in my statistics class and for one of them it says:describe the deviation from
1. 0 answers
2. 637 views
This is from CNNBush did get support from some Republicans. "The president consulted with the best military minds ... and came
1. 0 answers
2. 554 views
hi i have to do a project where i have to find media bias between two articles for government. and i was wondering if it is okay
1. 0 answers
2. 586 views
When a computerized generator is used to generate random digits, the proability that any particular digit in the set {0,1,2, . .
1. 0 answers
2. 770 views
in debates what are some things that help/hurt either president candidate?i think by not answering questions and when president
1. 0 answers
2. 657 views
Suppose that one of every 100 people ina certain community is infected with HIV. You want to identify an HIV-positive person ina
1. 0 answers
2. 921 views
Suppose that one of every 100 people ina certain community is infected with HIV. You want to identify an HIV-positive person ina
1. 0 answers
2. 945 views
When a computerized generator is used to generate random digits, the proability that any particular digit in the set {0,1,2, . .
1. 0 answers
2. 1,670 views
Suppose that one of every 100 people ina certain community is infected with HIV. You want to identify an HIV-positive person ina
1. 0 answers
2. 1,164 views
is light pressure more easy to localize than deep pressure or is the other way aroundWhat do you mean light pressure and deep
1. 0 answers
2. 577 views
what is the stimulus of taste?do i just say when something touches your tongue. i don't know how to explain it. for smell, i put
1. 0 answers
2. 598 views
i'm doing a project where i have pick three newsstations from the internet such as abc, nbc, cbsthen i have to pick a story from
1. 0 answers
2. 569 views
what is a campaign contribution?why do interest groups choose this as a technique to their advantage. this is what i have:
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2. 555 views
what is litigation?why do interest groups choose this as a technique to get what they want? Litigation is to take in issue to
1. 0 answers
2. 519 views
why is getting access to a ballot an obstacle to cross for minority parties in order to win elections.i looked on the internet
1. 0 answers
2. 493 views
i'm doing a free response fro U.S government and politics and I am reading a graph where i have to describe a trend.one of the
1. 0 answers
2. 455 views
y=e^xhow do i solve for x. i use the LN process right. i forgot how to do that ln(e ^ x) = x Leo, you have merely stated an
1. 0 answers
2. 439 views
find the volume of the solid formed by revolving the region bounded by y=e^x, y=0, x=o and x=1 about the y axisby using the
1. 0 answers
2. 614 views
a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8
1. 1 answer
2. 2,594 views
a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8
1. 0 answers
2. 748 views
find the area of the regin bounded by the graphs of y=-x^2=2x=3 and y=3.i don't need help solving the problem and but i am a
1. 0 answers
2. 1,166 views
find the area of the rgion bounded by the graphs of y=x^3-2x and g(x)=-xi drew the graph and half of the graph is above the
1. 2 answers
2. 929 views
hihuman physiology: what is a cerebral lobe not visible in an ordinary external inspection what is a vein in the dura mater
1. 4 answers
2. 1,711 views
does anyone know any good french translating sites where i can tarnslate long sentences with out getting giberish?i lost my
1. 2 answers
2. 599 views
d/dx integral from o to x of function cos(2*pi*x) du isfirst i do the integral and i find the derivative right. by the
1. 0 answers
2. 1,153 views
dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=?(you already posted this, but i still don't get it) dy/dx = 2y^2
1. 0 answers
2. 910 views
d/dx integral from o to x of function cos(2*pi*x) du isfirst i do the integral and i find the derivative right. by the
1. 1 answer
2. 1,452 views
what is the derivative of e^(3*ln(x^2))i keep getting 6/x * e^(3*ln(x^2)) but that's not one of the multiple choice so am i
1. 0 answers
2. 1,063 views
f(x)=x^3=12x-24f'(x)=3x^2+12=0 3x^2=-12 x^2=-4 what is x. would it be x=-2 and 2 because i have to find the interval where the
1. 0 answers
2. 674 views
what is the antiderivative of1/(x^2-2x+2)? does antiderivative mean find the derivative of the function or integrate it. is the
1. 0 answers
2. 680 views
the volume of a cylindrical tin can with a top and a bottom is to be 16*pi cubic inces. if a minimum amont of tin is to be used
1. 1 answer
2. 3,513 views
if f'(x)=cos x and g'(x)=1 for all x, and if f(0)=g(0)=0, then thelimit x--->0 fo function f(x)/g(x)= okay, so f(x)=sinx g(x)=x
1. 1 answer
2. 5,142 views
If the function f has a continuous derivative on [0,c], the the integral(o to c) of f'(x)dx=a)f(c)-f(0) b)absolute value (f(c)-
1. 1 answer
2. 6,286 views
hi where can i find more information about trustees that play a role in the congress. i already know the basic definition but i
1. 1 answer
2. 475 views
let f(x)=square root x. if the rate of change of at x=c is twice its rate of change at x=1, then c=?what???? i don't get get it.
1. 3 answers
2. 16,199 views
the basse of a solid S is the region enclosed by the graph of y=square root (ln x), the line x=e, and the x-axis. if the cross
1. 1 answer
2. 1,747 views
2e^(4x^2)=3how do i solve for x. do i use the ln methode because i don't know how to do that. by calculator, i got x=.168 but i
1. 0 answers
2. 1,120 views
i need a website on the history and origin of congress and how it developed.i looked online, but i need help on finding a
1. 0 answers
2. 665 views
the expression 1/50 (1/50 +2/50+ 3/50+ .....50/50)is a Reimann sum approximation for(everything in the parantheses is square
1. 1 answer
2. 2,456 views
much ado bout nothing(de book)de question is why do brutus and cassius claim they have done ceaser a favour. i have ot rite a
1. 0 answers
2. 721 views