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2010
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Questions Asked on May 4, 2010

NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l)How do I calculate the oxidation states of Nitrogen and figure out if it is reduced,
1. 6 answers
2. asked by Carli
3. 5,493 views
Quan is shopping. He can buy 2 pairs of pants and 1 shirt for $79.85 ( before tax is added). He can but 1 pair of pants and 2
1. 2 answers
2. asked by Gabriel
3. 1,158 views
How do you add or subtract rational expressions with unlike demoninators please explain with examples
1. 1 answer
2. asked by rosa
3. 445 views
Tacit knowledge, Explicit knowledge, General knowledge and Specific Knowledge aredifferent types of knowledge. Case (A) An
1. 0 answers
2. asked by Abdul
3. 562 views
A right cylinder has a radius of 3 and a height of 12. What is its surface area? If necessary, round your answer to two decimal
1. 1 answer
2. asked by josh
3. 690 views
Find the angle Q between the two vectors.u = 10i + 40j v = -3j+8k cos <10,40,0> <0,-3,8> / sqrt1700 sqrt73 cos(-120/sqrt1700
1. 1 answer
2. asked by Abbey(Please check)
3. 737 views
What is the distance between the origin and the point (5, -19)? If necessary, round your answer to two decimal places.
1. 1 answer
2. asked by Anonymous
3. 378 views
(2-2i)^5find the given power write answer in rectangular form
1. 1 answer
2. asked by Stacey grahaM
3. 1,334 views
A thimb is 23.0 cm from a concave mirror. The focal point is 9.0 cm. Where is the image located?
1. 1 answer
2. asked by Daniela
3. 527 views
Calculate the molarity and mole fraction of a 2.35 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of
1. 2 answers
2. asked by bob
3. 1,442 views
Supposed you have been hired as a Marketing manager in a Food Supplement Company. Your company is planning to introduce Packed
1. 1 answer
2. asked by Royal
3. 630 views
Glycerin (C3H8O3) is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 180. g of glycerin to 321 mL
1. 0 answers
2. asked by bob
3. 671 views
A solution is prepared by mixing 0.0433 mol CH2Cl2 and 0.0623 mol CH2Br2 at 25°C. Assuming the solution is ideal, calculate the
1. 1 answer
2. asked by bob
3. 557 views
What does this mean?If you are home studying…I hope you’re at least doing so outside! I am foreign exchange and I do not
1. 1 answer
2. asked by Jose
3. 495 views
Following the nutritional label on the jar of peanut butter. you determine that 1 ounce of the peanut butter contains 115
1. 1 answer
2. asked by Nicole
3. 540 views
what is the formula for finding a percentage of a dollar amount???ex. 30 % of 233 is ??? Please help me! Thanks!
1. 2 answers
2. asked by abby
3. 374 views
Why is the incubation stage of illness of concern to day care workers?A. child in this stage require a great deal of care and
1. 2 answers
2. asked by Nicole
3. 648 views
What is the apparent contradiction in the statement that "solar energy is free" with the fact that solar cells are too expensive
1. 1 answer
2. asked by Sue Ann
3. 468 views
What does it mean when a school has a web based curriculum?
1. 1 answer
2. asked by Mattie
3. 441 views
4 + (sqrt-4) + i
1. 0 answers
2. asked by sam
3. 267 views
if the integral ( [ )([ f(t) ,t, 0, 8) = k Find [ (3x^2f(x^3), x, 0, 2)
1. 2 answers
2. asked by Lucy
3. 383 views
Can you check if these sentences are possible? Thank you for your invaluable help.1) Remember to pick the children up at (or
1. 1 answer
2. asked by Franco
3. 636 views
why do teachers tell u to go do some homework...and they have not taught u it huh???
1. 1 answer
2. asked by millie
3. 495 views
1 methods of controlling fullness.2 what is fastening. 3 uses of fastening. 4 pictures of methods of controlling fullness. 5
1. 4 answers
2. asked by georgian
3. 1,721 views
1 what does disposal of fullness means
1. 2 answers
2. asked by georgian
3. 662 views
In many cases, not all of Koch's postulates can be applied to determine the cause of a human disease. Explain why.
1. 0 answers
2. asked by CC
3. 441 views
basis of a right prism is a rhombus with a diagonal 8cm and 6cm.the prism height iis 12cm.find:a)the general area of prism.b)the
1. 1 answer
2. asked by Anonymous
3. 769 views
I have to post a topic for my final project to be accepted by my instructor. I want to write a persuasive essay about drugs. My
1. 1 answer
2. asked by Anonymous
3. 524 views
How do you integrate the function -- > sinx (4^cosx) from 0 to pi/2I did "u-substitution" to make it the integral from 1 to 0 of
1. 1 answer
2. asked by Mary
3. 494 views
Find the angle Q between the two vectors.u = 10i + 40j v = -3j+8k cos <10,40,0> <0,-3,8> / sqrt1700 sqrt73 cos(-120/sqrt1700
1. 3 answers
2. asked by Abbey(Please help)
3. 603 views
What is the pH of a solution that is 0.20 M CH3COOH and 0.10 M CH3COONa?
1. 3 answers
2. asked by curtis
3. 7,883 views
Say that you have a triangle with sides a = 20, b = 48, and c = 51.True or false: this triangle is a right triangle.
1. 1 answer
2. asked by Olivia
3. 354 views
use Demoivre's Theorem to find the indicated power of the complex number. Express the result in standard form.(2+2i)^6 a=2 b=2
1. 0 answers
2. asked by Abbey(Please help)
3. 938 views
a 14.7g ice cube is placed into 324g og water. calvulate the temperature change in the water upon complete melting of the ice.
1. 2 answers
2. asked by janny
3. 1,621 views
which best describe the desert? a.thick,waxy leaves b.many large leaves. c.a shallow root system.d.a tall,woody stem.
1. 1 answer
2. asked by kim
3. 448 views
For the reaction NaOH + HCl---> H20 + NaCl where the mass of NaOH is 2g and the Volume of Hcl is 100ml with a 0.5 concentration.
1. 1 answer
2. asked by Hyde
3. 632 views
Date of Note March 11, length of note 200 days, Date of discount, June 28. What is the maturity date and the discount period, no
1. 2 answers
2. asked by Kathy
3. 580 views
Logs are stacked up in apile as shown in the figure. The top row has 15 logs and the bottom row has 21 logs. How many logs are
1. 3 answers
2. asked by Abbey(Please help)
3. 1,164 views
What numbers in a math problem adds up to 331/3?
1. 1 answer
2. asked by Ronnie
3. 416 views
CHECK PLEASEare theses ALL complex sentences? 1.i will help you with your homework after you watch the baby. 2. jake stared at
1. 3 answers
2. asked by Sara!
3. 701 views
To increase the solubility of a gas at constant temperature from 1.20 g/L at 1.4atm to 2.3 g/L the pressure would have to be
1. 3 answers
2. asked by Kathie
3. 1,061 views
Consider the wide spectrum of business organizations, ranging from gigantic corporations to working at home.Describe at least
1. 1 answer
2. asked by DC
3. 738 views
How to write a type sketch of "the healthy eater"?
1. 1 answer
2. asked by Danny
3. 385 views
use Demoivre's Theorem to find the indicated power of the complex number. Express the result in standard form.(2+2i)^6 a=2 b=2
1. 3 answers
2. asked by Abbey(Please help)
3. 916 views
Dilution calculation: use the formula M1V1=M2V2How many milliliters of 12 M HCl would be needed to make 200 mL of a 1.0 M HCl
1. 1 answer
2. asked by Ana
3. 1,042 views
A sheet of plywood measures 4 feet by 8 feet. Armand wants to build a dog house using one whole sheet of plywood for the floor.a
1. 1 answer
2. asked by NICK
3. 1,493 views
ARE SOME PREPOSITIONS COMPLEX LIKE USED IN A COMPLEX SENTENCE
1. 3 answers
2. asked by Sara!
3. 512 views
An ideal gas has a volume of 3.0 L. If the number of moles of gas and the temperature are doubled, while the pressure remains
1. 3 answers
2. asked by jenny
3. 4,960 views
For the reaction NaOH + HCl---> H20 + NaCl where the mass of NaOH is 2g and the Volume of Hcl is 100ml with a concentration of
1. 1 answer
2. asked by Hyde
3. 584 views
How many moles of carbon monoxide form at the same time that 0.337 mol CS2 forms?
1. 2 answers
2. asked by jake callienf
3. 864 views
the volume of alcohol present in 620 mL of a 40% (v/v) solution of alcohol is ______?A. 372 mL B. 40 mL C. 248 mL D. 580 mL
1. 2 answers
2. asked by Kathie
3. 1,091 views
For my environmental science reseaerch paper on coral reefs I wanted to copy this intro paragraph from my workbook:Coral reefs
1. 2 answers
2. asked by y912f
3. 1,321 views
2/3x=4/5
1. 0 answers
2. asked by gorge
3. 217 views
paul did 9 tricks in 2 minutes and 15 seconds.how many seconds did each trick take?
1. 2 answers
2. asked by harry
3. 413 views
What are the verbs in this phrase: Hawaii is one of the most beautiful places on earth
1. 1 answer
2. asked by Fabian
3. 672 views
Find the center, vertices, foci, and eccentricity of the ellipse.9x^2 + 4y^2 - 36x + 8y + 31 = 0 I know the center is (2,-1) For
1. 4 answers
2. asked by Abbey(Please help)
3. 1,010 views
daniels print shop purchased a new printer for $35,000. Each year it depreciated at a rate of 5%. What will its approximate
1. 1 answer
2. asked by sophia
3. 1,249 views
An airplane flies due north from a starting point at 234.6 mph for 40 minutes. Then turns flying 20 minutes at 252 mph in the
1. 1 answer
2. asked by jake
3. 1,288 views
The S^2- ion is a relatively strong base with an equilibrium constant of 7.7x10^-1.What is the Ka value for HS- ? I got the
1. 4 answers
2. asked by sh
3. 928 views
an accurate statement about the great depresson is
1. 0 answers
2. asked by gina
3. 391 views
What is the molar solubility of silver sulfide, Ag2S? (Ksp for Ag2S is 6.0 x 10^51.)
1. 1 answer
2. asked by Dan
3. 1,843 views
what pH values can be assigned to acids and bases respectively?
1. 1 answer
2. asked by Alexa
3. 905 views
If today is Tuesday, what integer stands for last Sunday?
1. 6 answers
2. asked by Erica
3. 836 views
Expand and simplify:-5(2x +5b)^2
1. 1 answer
2. asked by raman
3. 509 views
what is evaluation by objectives?
1. 0 answers
2. asked by me
3. 426 views
I forgot to include the following sentences. I hope you can have a look at them as well.1)Chaucer describes his appearance and
1. 1 answer
2. asked by Franco
3. 523 views
what is evaluation by objectives?
1. 0 answers
2. asked by me
3. 352 views
x^2 + 5x +6/x^2 - 3x -10 How do I do this? Is it asking me to divide? The answer choices are as following: A)x + 3/ x - 5 , x
1. 1 answer
2. asked by Tallie
3. 383 views
what is evaluation by objectives?
1. 0 answers
2. asked by me
3. 359 views
what is evaluation by objectives?
1. 0 answers
2. asked by me
3. 331 views
HOW COULD I CREATE A SENTENCE USING THREE ADJECTIVES A SUBJECT A HELPING VERB A VERB AND AN OBJECT OR A PREDICATE NOUN?? AND
1. 2 answers
2. asked by marelyn
3. 1,404 views
A potassium hydroxide solution has a pH of 12.90. Enough cid is added to react with half of the OH- ions present. What is the pH
1. 2 answers
2. asked by Alexa
3. 951 views
Can you check once more how I paraphrased the beginning of the Canterbury Tales, please? Thank you in advance.1) He describes
1. 1 answer
2. asked by Franco
3. 488 views
what is evaluation by objectives?
1. 0 answers
2. asked by me
3. 310 views
what is evaluation by objectives?
1. 0 answers
2. asked by me
3. 477 views
What is the molarity of H3O+ in a 4.97×10-2 M NH4Cl solution that hydrolyzes according to the equation.NH4+(aq) + H2O(l) =
1. 1 answer
2. asked by uci student
3. 1,332 views
what is evauation of objectives?
1. 0 answers
2. asked by me
3. 363 views
what is evauation of objectives?
1. 0 answers
2. asked by me
3. 345 views
post a 150-300-word response to the following discussion question by clicking on Reply.Explain whether or not you believe
1. 2 answers
2. asked by Anonymous
3. 743 views
Describe a memorable teacher who had a significant positive effect on you.There hasn't really been any teacher in high school
1. 3 answers
2. asked by Sara
3. 752 views
Could someone please tell me what equations i am suppose to use to work out these problems.A capacitor in RC circuit has two
1. 3 answers
2. asked by Sam
3. 755 views
Given the location of the Alps, how might they have been both a help and a hindrance to the development of Italy?
1. 2 answers
2. asked by Tyson
3. 1,134 views
Geraniol is a compound found in rose oil that is used in perfumes. What is the molas mass of geraniol if its vapor has a density
1. 6 answers
2. asked by Meg
3. 3,948 views
What is 54.9*10 to the 6th power in scientific notaion
1. 3 answers
2. asked by Caitlyn
3. 517 views
a solution is prepared using .015 L of 1.0 M HCl and .020 L of .50 M HNO3. the final volume of the solution is 1.25 L. Answer th
1. 2 answers
2. asked by Alexa
3. 709 views
Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve.x = sec Q y = cos Q
1. 1 answer
2. asked by Abbey
3. 1,141 views
A solution is prepared by dissolving 15.6 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 10.00 mL
1. 1 answer
2. asked by Anonymous
3. 746 views
Two forces, F1 and F2 act on an object and the angle between them is 60 degrees. Determine the magnitude and the direction of
1. 1 answer
2. asked by Ariza
3. 2,277 views
how is U.S. water use similar to that "water-poor" countries? how is it different?
1. 0 answers
2. asked by Sara!
3. 410 views
A boat crosses a river and arrives at a point on the opposite bank directly across from its starting position. The boat travels
1. 1 answer
2. asked by Abbie
3. 734 views
Max is having a party with 38 people. He wants enough cupcakes to feed everyo.ne. If cupcakes are sold in packs of 6, how many
1. 1 answer
2. asked by Alvin
3. 533 views
A car is heading northwest at 80Km/h and a truck is heading east at 60 Km/h. Determine the velocity of the truck relative to the
1. 0 answers
2. asked by Bobby
3. 547 views
A pilot wishes to reach an airport 350 Km due east from his present position. The wind is blowing from N25degreesE with a speed
1. 1 answer
2. asked by Ariza
3. 1,154 views
How to answer the question:Est-ce que vous amis vous ont telephone?
1. 1 answer
2. asked by Michael
3. 490 views
I need help understanding Erickson's first five stages. I need examples of them to help me write a paper.
1. 1 answer
2. asked by Tammera
3. 363 views
I need help understanding Erickson's first five stages. I need examples of them to help me write a paper.
1. 1 answer
2. asked by Tammera
3. 413 views
I am trying to understand and I hope you can help me. I just want some more explaintion about the great depression. Why do
1. 4 answers
2. asked by Nanci
3. 560 views
A fund drive announced that it has raised $3276, which is 70% of its goal. How much more must be raised?
1. 1 answer
2. asked by Anonymous
3. 416 views
What type of motion would have to occur to move or displace the fixed color lines produced by a gas like helium or hydrogen
1. 1 answer
2. asked by Paige
3. 475 views
Recall an event when you became aware of the importance of dividing chores evenly and fairly without being influenced by gender.
1. 5 answers
2. asked by Sara
3. 505 views

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