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Questions Asked on June 20, 2009

what do you observe in the displacement reaction of zinc and lead nitrate?also, what is the symbol equation for this reaction?
1. 3 answers
2. asked by Nabiha
3. 5,257 views
A mixture of hydrogen peroxide, H2O2, and hydrazine, N2H4, can be usedas a rocket propellant. The reaction is: 7 H2O2(g) +
1. 1 answer
2. asked by dan
3. 1,790 views
Summarize the hydrologic cycle. How important is this cycle to Earth?The hydrologic cycle is a circulation of water from the
1. 1 answer
2. asked by scooby91320002
3. 1,496 views
A 10.0 mL sample of 3.00 M KOH(aq) is transferred to a 250.0 mlvolumetric flask and diluted to the mark. It was found that 38.5
1. 4 answers
2. asked by dan
3. 1,335 views
compound with a molecular formula C8H16Ohas the following H-nmr spectrum: 3H triplet at 0.90, 1.0 to 1.6 8H multiplet, 2.05 3H
1. 1 answer
2. asked by jeff
3. 1,306 views
Long but quick chemistry lab that I need confirmation on answers if possible?OK so I have this lab that went pretty quick and
1. 2 answers
2. asked by Capacino
3. 968 views
If you add Na2CO3 and AgNO3 together in a test tube what exactly would you observe and what would be the equation for the
1. 2 answers
2. asked by Sylvia
3. 957 views
Currently, U.S. schools use technology significantly more than they did in the past. Research the use of technology in schools
1. 5 answers
2. asked by scooby91320002
3. 948 views
Explain this statement: the most unlikely problem of the national debt is that the government will go bankrupt.
1. 3 answers
2. asked by Karry
3. 925 views
can you show me how to do this mathematicallyA car traveling 90 km/h is 100 m behind a truck traveling 75 km/h. How long will it
1. 4 answers
2. asked by Physics
3. 914 views
make the letter in the bracket the subject of the formulae:v=u-3t (t) a=b-4c (c)
1. 5 answers
2. asked by Nabiha
3. 905 views
does this sound right for what happens with the zinc and lead nitrate reaction? could i add anything else?The zinc displaces the
1. 2 answers
2. asked by Nabiha
3. 883 views
Round each number to the place value of the bold and highlighted digit. The number is 319.7 with the 9 highlighted. I came up
1. 1 answer
2. asked by B.B.
3. 880 views
Use the substitution method to find solution sets (x,y) for the following systems of equations:3x-5y=-11 6x+2y=26
1. 1 answer
2. asked by Scott
3. 878 views
why does zinc and lead nitrate react?
1. 2 answers
2. asked by Nabiha
3. 874 views
what exactly would you observe and see at the end of the reaction of zinc and lead nitrate? include in formation about colour
1. 1 answer
2. asked by Nabiha
3. 873 views
Name the property that justifies each step.[(2x100)+(3x10)]+[(1x100)+(5x10)] = (2x100)=[(3x10)+(1x100)]+(5x10) I think this is
1. 2 answers
2. asked by B.B.
3. 830 views
5.2 Project Risks[Use this section to list at least five risks factors and their potential impacts for the project.] # Risk Area
1. 2 answers
2. asked by Becky
3. 797 views
I am writing a research paper for HIPAA, I beleive I have most of the information to do the paper. I do not understand what it
1. 1 answer
2. asked by Shannon
3. 749 views
Would someone check this please?A circular loop of wire of radius 0.10 m and of resistance 2.0 x 10^−3 ohms is in a region
1. 1 answer
2. asked by charlie
3. 747 views
The last stage in the fusion of hydrogen to form helium in the Sun involves the formation of an alpha particle (4He) from two
1. 2 answers
2. asked by Angie
3. 720 views
Can someone help me with this problem? I don't understand lattice multiplication. Use lattice multiplication to find the product
1. 2 answers
2. asked by B.B.
3. 693 views
What is the answer? I came up with C. is this correct? Thanks for the help in advance!f(x)=root sign, and inside that x-2 and
1. 2 answers
2. asked by Laurie
3. 677 views
Here is my problem: Annual Earnings. A recent survey reported the following average annual earnings: Retail salesperson $13,000
1. 3 answers
2. asked by B.B.
3. 658 views
RationalizeV stands for square root 3/V2 3/V2 x V2/V2 = 3V2/V2V2= 3V2/V4 =3V2/2 Answer 3V2/2 6V2/V3 6V2/3 x V3/V3 =6V2V3/V3V3 =
1. 2 answers
2. asked by G
3. 643 views
1. He is reft-handed.2. He is right-handed. 3. He is ambidextrous. 4. He is a right-handed person. 5. He is a left-handed
1. 1 answer
2. asked by John
3. 635 views
Show that any positive odd integer is of the form 6q+1, 6q+3 or 6q+5, where q is any positive integer
1. 2 answers
2. asked by priya
3. 631 views
how do you make home made ice cream without rock salt. that tastes good too?
1. 4 answers
2. asked by y912f
3. 606 views
You are told that the volume of a sphere is given by V=(sqrt)d^3/4, where V is the volume and d is the diameter of the sphere.
1. 2 answers
2. asked by Greg
3. 593 views
Show that any positive integer is of the form 4q, 4q+2, where q is any positive integer.
1. 1 answer
2. asked by priya
3. 577 views
make v the subject of the formulae:v=2v+3u
1. 1 answer
2. asked by Nabby
3. 573 views
In the book you don't know me by david klass does anyone know what John's stepfather name was? I think it was Stan but I'm not
1. 1 answer
2. asked by Rita
3. 557 views
I have a problem answering this certain question, can you help me? The hydraulic system on a forklift contains 7/8 gallon of
1. 2 answers
2. asked by jill
3. 540 views
A rectangular picture window is 6 ft by 4 ft. Polly wants to put a trim molding around the window. How many feet of molding
1. 1 answer
2. asked by wayne
3. 519 views
what is the miracle of Lourdes?is it about the young girl called Bernadette? thanks
1. 2 answers
2. asked by niv
3. 518 views
Can someone help me with this problem? Evaluate the numerical expression on a calculator. Round the answer to the nearest whole
1. 0 answers
2. asked by B.B.
3. 515 views
on an exam if you are given an essay to read & then deconstruct.....how do you do thisThanks
1. 2 answers
2. asked by SCOTT
3. 511 views
How would you adjust Arcadia Hospital’s 2006 budget in light of your variance analysis?
1. 3 answers
2. asked by Anonymous
3. 491 views
Need help.Multiply using the rule for the square of a binomial (6x^2-4)^2
1. 1 answer
2. asked by Jordan
3. 489 views
Which government entities regulate the securities that Verizon issues?
1. 1 answer
2. asked by Linda
3. 488 views
HiCan anyone help with this little problem , I have to compare the percentage change for the following numbers from a graph
1. 2 answers
2. asked by Gary
3. 466 views
recipe for frozen yogurt
1. 7 answers
2. asked by y912f
3. 431 views
Are the concepts of autonomy, justice and beneficence, or similar ones, useful for analysis of organizational ethics?
1. 1 answer
2. asked by liza
3. 430 views
y = (1+x)/(1-x)How do I rearrange that equation to be: x = (y-1)/(y+1)
1. 2 answers
2. asked by Sean
3. 415 views
is there a home remedy that actually works to remove blackheads?
1. 5 answers
2. asked by y912f
3. 410 views
Of course you have to rearrange itX -Xo = (V-Vo)(V+Vo)/2a (X-Xo)2a = (V-Vo)(V+Vo) 2 a (X-Xo) = V^2-Vo^2 ok to go from the first
1. 1 answer
2. asked by Physics PLEASE
3. 404 views
Which investment bank does Verizon use to issue stock?
1. 0 answers
2. asked by Linda
3. 398 views
Please Help! Confused! I got an answer but it is not correct. Can someone help? Thanks!Given that f(x) = x^2 - 3 and g(x) = 2x +
1. 2 answers
2. asked by Jen
3. 385 views
the speed of a car can be measured in s^-1 m right...it could be said that a speed of a car the velocity was 15 s^-1 m which is
1. 2 answers
2. asked by Physics
3. 378 views
Which two lenders does Verizon use?
1. 1 answer
2. asked by Angel
3. 361 views
a sales person drove 238
1. 1 answer
2. asked by Anonymous
3. 330 views
what is the snswer to this suma x 4 = d
1. 2 answers
2. asked by Rosiebee
3. 296 views

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