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Questions (17)
How many moles of the solute h2so4 is needed to prepare 5 L of a 2 M solution of h2so4
2 answers
2,099 views
The football team is on the
30-yd line and has 4 plays to make a rst down. To make a rst down, the team must advance the ball 10
1 answer
526 views
How many kilojoules of heat are released when 185 g of benzene freezes at its freezing/melting point? (Heat of fusion for
3 answers
648 views
The slope of the line normal to the graph of 4 sin x – 9 cos y = 9 at the point (x,0)?
How do you do this?
3 answers
820 views
Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at
1 answer
1,259 views
Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at
0 answers
866 views
Calculate the torque produced by a force of 50.0 N applied clockwise perpendicular to the end of a bar of length 0.50 m.
1 answer
1,931 views
Does an IPO seem like a good idea for a business? What kind of things would you say in an SEC statement to demonstrate that your
0 answers
580 views
Does an IPO seem like a good idea for a business? What kind of things would you say in an SEC statement to demonstrate that your
1 answer
639 views
Jims records the number of cars his team sells in each month for a year.
4,6,8,6,7,3,5,3,9,8,7,9 What percent of the months does
3 answers
687 views
A researcher studying the nutritional value of a new candy places a 4.90 gram sample of the candy inside a bomb calorimeter and
5 answers
6,618 views
How do you factor out y=x^3-9x^2+9
1 answer
479 views
Find any critical numbers of the function. (Enter your answers as a comma-separated list.)
g(t) = 3t ln t
1 answer
702 views
in 1991 the life expectancy of males in a certain country was 73.7 years in 1997 it was 76.9 years let E represent the life
2 answers
1,157 views
solve by elimination method
3x+4y=4 6x+8y=8
1 answer
987 views
Solve for m
p=4m+4v the solution is m=
1 answer
482 views
i'm suppose to write an essay on the historical climate of a author i pick and it was lewis carroll, and i don't know what it
0 answers
1,240 views
Answers (29)
first of all the formula is wrong the formula u used was for molarity. this is the correct formula ppm= grams of solute/ grams of solution x 10^6 bob that formula of yours is also wrong
These people are right, just did the cca quick check and got 100%. B✔ B✔ D✔ B✔ C✔
Just got done with this same question, 9 m is correct.
you suck sue
1. D Correct 2. B Correct 3. B Correct 4. B Incorrect 5. C Correct 6. C Incorrect 7. A Correct 8. C Correct 9. C Correct 10. A Correct 11. D Correct 12. D Incorrect 13. D Correct 14. A Incorrect 15. B Correct 16. B Incorrect 17. A Incorrect 18. D Incorrect
Ms. Sue you made her confused. That's not nice.
mass x heat fusion= 23,495
alright thennnn
Help me??
Please?
A. 6% B. 40% C. 50% D. 80% Pick one.
Thats wrong
that's amazing... thank you so much Dr Bob!
The French colonized SE Asia. The communists tried to overthrow the French colonial governments. We were afraid of the "domino effect" where if one country fell to the commies, the rest would follow. We went into Vietnam to help the French after their
Maybe you should actually do the experiment before trying to answer the questions?
M1 = 910kg*6m/s = 5460kg-m/s M2 = 1440kg*17/s = 24480kg-m/s Mt = M1+M2 = 5460+24480 = 29940 kg-m/s Masstot = 910 + 1440 = 2350kg V = Mt/Masstot = 29940/2350 = 12.74 m/s
Google "Gantt Chart" and "Pert Chart"
None. F=ma. (Newton's 2nd law) Once a force is applied (gun is fired) it will travel at a constant velocity forever (unless acted on by an outside force. (Newton's 1st law).
Centripetal Acceleration = v^2/r = (circumference/time)^2/r = (2*pi*r/t)^2)/r = ((2*3.14*50/14.3)^2)/50 = 9.64 m/s^2
Work = Power * time Work = 478 Watts * 14 sec Work = 6692 Joules
F = 381 +5.54 = 386.54 F = 381 - 5.54 = 375.46
KE=(mv^2)/2 = (200*3^2)/2 = 900J
50 + 2 = 52 km/h
The ratio of H to O (2 to 1) must stay the same if the only product is H2O, regardless of the amount of H2O produced.
Thrown straight up?
Rate = Milk (pounds) / Cheese (pounds) Rate = 1000/100 = 10 Lbs Milk per lb of Cheese.
Newton's Second Law: F(or weight) = mass x acceleration. so, a = F/mass = 3.45/1.5 You do the math and don't forget the units!
zero. Kinetic Energy is the energy of motion. Object not moving so KE=0.
Alloy
