Questions and answers by

Carl

Questions (233)

I cannot balance this equation and I am really struggling.Cr2O7^2-(aq)+ Cu^+(s)-->Cr^3+(aq)+Cu^2+(aq) How do I get the charges
1. 1 answer
2. 817 views
Compute the equilibrium constant for Ni^2+ (aq) and Cd (s).I keep getting 1.7*10^-3 but apparently that is wrong. What am I
1. 2 answers
2. 439 views
Ni (s) + Cd^2+(aq)-->Ni^2+(aq)+ Cd(s)MnO4^-1(aq)+ Al (s) ---> Mn^2+(aq)+Al^3+(aq) no matter what i do, i can't seem to balance
1. 1 answer
2. 385 views
You can get a sunburn on a cloudy day, but you can't get a sunburn even on a sunny day if you are behind glass. why?
1. 0 answers
2. 374 views
Hockey teams recueve 2 points when they win and 1 point when they tie. One season, a team won a championship with 66 points.
1. 1 answer
2. 561 views
A roller coaster is at the top of a 98.2 m hill and has a mass of 1831.0 kg. It is traveling at a velocity of 23.7 m/s. What is
1. 3 answers
2. 427 views
I don't know where to begin with this one because I don't recall my teacher giving us a formula for it.A baby carriage is
1. 1 answer
2. 510 views
I just wanna check if i am right.A car is traveling with a velocity of 42.3 m/s and has a mass of 2183.0 kg. Find the Ek of the
1. 2 answers
2. 378 views
Use the table of values to estimate⌠6 ⎮ f(x)⋅dx ⌡0 Use three sub intervals and the (a) left endpoints, (b) right
1. 0 answers
2. 558 views
Give an example of a function that is integrable on the interval [-1,1], but not continuous on [-1,1].
1. 0 answers
2. 516 views
List the possible rational roots of each equation. Then determine the rational roots.6x^4+35x^3-x^2-7x-1 The answer in the back
1. 0 answers
2. 1,150 views
9x^4-24x^3+16x^2 (Find all solutions!)
1. 2 answers
2. 782 views
The seventh harmonic of a one end closed pipe organ has a frequency of 732 Hz, on a day when the temperature is 10 degrees
1. 1 answer
2. 596 views
If d/dx(f(3x^5))=9x^4Find f'(x)
1. 3 answers
2. 438 views
C(x) = 16x^(1/2) + x^2/1000Find x to meet the minimum cost
1. 4 answers
2. 420 views
C(x)= 16sqrt(x) + (x^2)/1000Find the production level that will minimize the average cost
1. 1 answer
2. 415 views
1/f = 1/p + 1/qWhat is the rate of change of p with respect to q if q=2 and f=4?
1. 1 answer
2. 856 views
Show that the compositions below do not result in the same point.Point A (x,y) 90 degrees clockwise reflection around the y-axis
1. 1 answer
2. 431 views
example of a progress report table
1. 1 answer
2. 421 views
I have a problem, which requires I solve the following system of linear inequality graphically.my textbook is vague and does not
1. 1 answer
2. 825 views
Solve by addition or substitution;10x + 2y = 7 y= -5 + 3
1. 1 answer
2. 549 views
Solve by substitution:4x-12y =5 -x + 3y = -1
1. 2 answers
2. 596 views
Solve by substitution:8x - 4y =16 y=2x -4
1. 2 answers
2. 411 views
Solve by substitution;4x-12y=5 -x+3y
1. 2 answers
2. 466 views
How to solve by substitution:4x - 12y=5 -x + 3y = -1
1. 2 answers
2. 505 views
How to solve by substitution: 8x - 4y = 16y = 2x - 4
1. 1 answer
2. 670 views
How do I solve the following by substitution:5x -2y =-5 y - 5x = 3 8x - 4y = 16 y = 2x - 4 4x -12y =5 -x + 3y = -1
1. 3 answers
2. 627 views
Brigham Young chose the Great Salt Lake valley because of its _________(9 letter word) http://unicomm.byu.edu/about/brigham/
1. 0 answers
2. 626 views
How do I express these in scientific notation AND Log10 form?1) ln(8.1) 2) 32.8 x 10^-2 + 3.15 x 10^-1 3) 10^-2 x 10^4.5 4)
1. 0 answers
2. 516 views
How do I express these in scientific notation AND Log10 form?1) ln(8.1) 2) 32.8 x 10^-2 + 3.15 x 10^-1 3) 10^-2 x 10^4.5 4)
1. 1 answer
2. 876 views
can someone help me remove this infostealer virus, Norton 2006 finds it but doesn't give me the option to remove it, it says it
1. 0 answers
2. 447 views
Number of sides in a argumentUsually 2 but it could be more. You ever argue with a brother or sister? What about your parents or
1. 0 answers
2. 488 views
Is there a website that will give a sample business plan I can use for my project?http://www.sba.gov/starting_business/planning/
1. 0 answers
2. 446 views