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Donna
Questions (318)
1. Find y'(x) when
xsecy - 3y sinx = 1 a) (3ycosx - sec y) / (xsec^2y - 3sinx) b) (3cosx - sec x) / (xsecytany - 3sinx) c)
1 answer
804 views
Which solution would increase the osmotic pressure of water the most?
a) KBr b) NaCl c) MgCl2 d) glucose
1 answer
1,036 views
Qualitively explain the effect of changing concentration of Cu^2+ using your experimental observations and the Keq values below
1 answer
3,611 views
In lab, we did an experiment with electrochemical cells with solutions of ZnSO4, CuSO4, Al2(SO4)3 and MgSO4 and their respective
11 answers
5,441 views
For a reaction between sodium phosphate and strontium nitrate write out the following:
a) The balanced molecular equation b) The
3 answers
6,612 views
You are carrying out the titration of 100.0 mL of 1.000M acetic acid with 1.000 M sodium hydroxide. Ka = 1.76x10^-5 of acetic
2 answers
956 views
If 3xy^3 - 4x = 10y^2, find y ' (x)
a) (4 + 3y^2)/(9xy^2 + 20y) b) (4 - 3y^2)/(9xy^2 - 20y) c) (3 + 4y^2)/(20xy^2 + 9y) d) (3 -
2 answers
692 views
A small spherical insulator of mass 8.00*10^-2kg and charge +6.00*10^-7C is hung by a thin wire of negligible mass. A charge of
1 answer
836 views
A small spherical insulator of mass 8.00*10^-2kg and charge +6.00*10^-7C is hung by a thin wire of negligible mass. A charge of
1 answer
1,083 views
My granddaughter needs help with a worksheet.
Use the factor-label method and include all work. Calculate the mass of 500.0cmx3
1 answer
377 views
1. how much work do you do on a 25-kg backpack when you walk a horizontal distance of 100 m?
-I got 2,500 J 4. if you friend
1 answer
1,927 views
Can you please help me with the following questions? please.
1. how much work do you do on a 25-kg backpack when you walk a
0 answers
584 views
Consider a system of notebook computers for a college math laboratory. The set of computers costs $10,000 and will be salvaged
1 answer
559 views
Consider a system of notebook computers for a college math laboratory. The set of computers costs $10,000 and will be salvaged
0 answers
451 views
Can someone please help me with this problem?
An iron nail placed in a beaker with a solution of silver nitrate will cause pure
1 answer
1,762 views
Todd has indigo, yellow, pink, and red flowers in his green house. The ratio of indigo flowers to yellow is 3 to 5. The ratio of
1 answer
806 views
The kingston parks and recreation dept. is planning a new that will be 100 yards long and 85 yards wide. The dept. recommended
0 answers
650 views
Which trophic levels have the most biomass? Which have the most energy? Why?
The second law of thermodynamics requires that the
1 answer
913 views
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