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2011
April

Questions Asked on April 3, 2011

Calculate how many mL of the 5% w/v AgNO3* solution must be added to 0.4020g of the sample to precipitate all the chloride.
1. 1 answer
2. asked by Melanie
3. 497 views
Hello, I can't figure out the significance of the quote in Tale of Two Cities: "Drive him fast to his tomb". I know it signifies
1. 4 answers
2. asked by Martha
3. 662 views
I forgot to add the following sentences. Thank you very much.1) In the evening I always have to prepare (?) my schoolbag.I must
1. 1 answer
2. asked by Mike
3. 562 views
a sample of gas has a volume of 6.00L at 20.0 degrees celcius . what will be its volume at 40.0 degrees celcius pressure
1. 1 answer
2. asked by monica
3. 510 views
Draw the tritration curve for the neutralization of a 100ml sample of 1M solution of HCl with a .6M solution of Naohpoint 1: 2
1. 1 answer
2. asked by sam
3. 530 views
Please confirm if I did the follow problems correctly:A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: =
1. 0 answers
2. asked by Jeannie
3. 508 views
Write each expression in problems 1 to 3 in the form a + bi.1. (8-3i)+(-6+2i) 2. 4/(2-i) 3. (3-2i)^3 I do not understand at all
1. 4 answers
2. asked by PreCal
3. 1,082 views
if an angle has 40DEGREES and 80 dgrees what is the missing number?
1. 2 answers
2. asked by joyce
3. 534 views
When ammonium carbonate decomposes, what would happen to a glowing splint in the presence of the gases that are evolved. Explain
1. 1 answer
2. asked by jennifer
3. 2,985 views
I need help with this problem:1. Hanster Inc. is a levered firm with publicly traded shares. The company has 250 million shares
1. 0 answers
2. asked by Duffy
3. 590 views
At kenneht's school, tickets for a concert were sold at the rate of 40 per half-hour. how many tickets will be sold in 7 hours?
1. 1 answer
2. asked by marie
3. 426 views
The patient was started on a Lasix drip and transferred to the cardiac floor. The concentration of the Lasix drip is 64mg/250mL
1. 0 answers
2. asked by Steve
3. 587 views
Vinegar is a dilute solution of acetic acid. In the titration of 5.00 mL of vinegar, 39.75 mL of 0.137 M sodium hydroxide
1. 2 answers
2. asked by Mark
3. 1,615 views
A mixture of aluminum and zinc metal is used in 2 experiments described below:A- A 1.7 gram sample of the mixture is reacted
1. 6 answers
2. asked by Kate
3. 788 views
a square with perimeter 5 less then the area. perimeter and area equal 45
1. 0 answers
2. asked by lily
3. 279 views
An object with mass 0.250 kg is acted on by an elastic restoring force with force constant 10.8 N/m. The object is set into
1. 1 answer
2. asked by Jake
3. 1,877 views
Can someone please help me with this? I'm not looking for the answer, just a detailed explanation on how to solve this.Thank you
1. 2 answers
2. asked by Lace
3. 486 views
(9,2),(10-10) find the slope if it exists
1. 1 answer
2. asked by bianca, pleeease help i'm lost
3. 345 views
In a mobile phone network, how many times as strong would a signal be expected to be at 200 m from a base station, compared with
1. 1 answer
2. asked by Subash
3. 889 views
Find the x and y intercepts and graph 9x + 8y = 72. Graph the points.
1. 3 answers
2. asked by charmain
3. 1,214 views
A rectangle has a length 10 m less than twice its width. When 2 m are added to the width, the resulting figure is a sqaure with
1. 2 answers
2. asked by Anonymous
3. 1,103 views
a boat travels 4 km upstream and 4 km back. the time for the round trip is 9 hrs. the speed of the stream is 2 km/hr. What is
1. 0 answers
2. asked by Anonymous
3. 459 views
bill takes a loan of $8,000 at a 13% simple interet rate for 6 years. How much interest will he pay after 3 years?
1. 1 answer
2. asked by Cee Cee
3. 804 views
The term 'human resources' refers to:(A)persons available for productive and professional services (B)raw materials used in the
1. 1 answer
2. asked by Sasha
3. 1,361 views
Three students take equivalent stress tests. Which is the highest relative score?a. A score of 144 on a test with a mean of 128
1. 2 answers
2. asked by Charlie
3. 1,981 views
Find the formula for a function of the form y=Asin(Bx)+C with a maximum at (0,50), a minimum at (1.5,−4), and no critical
1. 1 answer
2. asked by Karku
3. 593 views
Need to decide which form is needed:present participle, past, past participle of each verb in parentheses.1. Nora (see) the toy
1. 2 answers
2. asked by Ann
3. 876 views
Find the length of VR, the direct distance across the river, to the nearest tenth.
1. 2 answers
2. asked by William
3. 579 views
Find the area of the region enclosed by the inner loop of the curve.r = 5 + 10sin(θ) Thanks for the help!
1. 0 answers
2. asked by Julie
3. 542 views
The quantities of orange supplied by a producer in a week is shown below 12,6,7,3,15,10,18,9 calculate the variance deviation
1. 0 answers
2. asked by Cyril
3. 362 views
A company wants to bid on an order of 20,000 square based boxes which hold 5 cubic feet. The cardboard cost is $.15 per square
1. 5 answers
2. asked by Shannon
3. 526 views
Electrons in a beam incident on a crystal at an angle of 300 have kinetic energies ranging from zeroto a maximum of 5500 eV. The
1. 0 answers
2. asked by Abby
3. 489 views
Find the area of the region enclosed by one loop of the curve.r = sin(12θ)
1. 3 answers
2. asked by Beth
3. 3,944 views
If 0.752 g of pure sodium carbonate was dissolved in water and the solution titrated with 25.90 mL of hydrochloric acid to a
1. 2 answers
2. asked by Beth
3. 705 views
In the titration of a 0.101 M sodium hydroxide solution, 19.02 mL of 0.130 M sulfuric acid solution was required to neutralize
1. 2 answers
2. asked by Sarah
3. 862 views
Pourriez-vous me dire, s'il vous plait, quelle de ces phrases est correct?Je voudrais dire: "It has been two years since we were
1. 7 answers
2. asked by E.G.
3. 835 views
Find the equation of a quartic polynomial whose graph is symmetric about the y-axis and has local maxima at (−1,1) and (1,1)
1. 1 answer
2. asked by Cad
3. 1,941 views
I left out the following sentences. Thank you for your help. It's urgent1) I must always bring all my books and exercise books
1. 1 answer
2. asked by Mike
3. 549 views
Is a calibrated thermometer more precise than one that has not been calibrated? What implications does this have for measuring
1. 2 answers
2. asked by Katie
3. 420 views
find the slope and the y-interceptf(x)=-10x-9
1. 2 answers
2. asked by bianca, pleeease help i'm lost
3. 1,091 views
A mixture of aluminum and zinc metal is used in 2 experiments described below:A- A 1.7 gram sample of the mixture is reacted
1. 1 answer
2. asked by Kate
3. 617 views
This is for a lab about determining the equilibrium constant.Given: 5.00mL of .203M Fe(NO3)3 mixed with 100mL of .00205M KSCN in
1. 1 answer
2. asked by Bob
3. 908 views
solve by the subtraction method5x+6y=0 x=34-8y
1. 1 answer
2. asked by bianca last one I promise
3. 356 views
If we instead used 90 g of steam, how much of the 200 g of water would have turned into 100° C steam in the end?
1. 0 answers
2. asked by Anonymous
3. 368 views
Find the formula for a function of the form y=Asin(Bx)+C with a maximum at (0.5,0), a minimum at (1.5,−4), and no critical
1. 0 answers
2. asked by Karku
3. 672 views
A 50.0 mL sample of 0.23 M propanoic acid, CH3CH2COOH, a weak monoprotic acid, is titrated with 0.14 M KOH. Ka of CH3CH2COOH =
1. 1 answer
2. asked by George
3. 1,008 views
A 50.0 mL sample of 0.12 M formic acid, HCOOH, a weak monoprotic acid, is titrated with 0.12 M NaOH. Calculate the pH at the
1. 3 answers
2. asked by George
3. 708 views
Consider the following electochemical cell.Pt | Fe3+ (0.0600 M), Fe2+ (6.50e-5 M) || Sn2+ (0.0620 M), Sn4+ (3.90e-4 M) | Pt (a)
1. 2 answers
2. asked by Logan
3. 647 views
If 2.00 liters of 0.580 M CuSO4 solution is electrolyzed by passing 1.70 amps through the solution for 2.00 hr using inert
1. 1 answer
2. asked by Mango
3. 1,101 views
A solution is prepared by dissolving 130 g of NaNO3 in 100 g of water at 80°C. The solution is cooled to 0°C. How many grams
1. 1 answer
2. asked by Craig
3. 1,330 views
I have two more questions on the same theme.Thank you. 1)Pay attention to (not at) your teachers' explanations. 2)You must put
1. 1 answer
2. asked by Mike
3. 468 views
could anyone give me comedy plays that are short... i have a project and we should do a movie about a play within 15 min.any
1. 1 answer
2. asked by Anonymous
3. 346 views
What happens if you increase biodiversity? Decrease it?
1. 0 answers
2. asked by Ann
3. 876 views
Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force exerted by
1. 0 answers
2. asked by please help!!!!
3. 485 views
Complete the square for this conic section in standard form:x^2+y^2-6x+4y-12=0
1. 1 answer
2. asked by Molly
3. 513 views
ou are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 18-m-tall
1. 0 answers
2. asked by Hard to solve ..please help!!!!
3. 500 views
A block of mass m = 5 kg is attached to a spring (k = 35 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R =
1. 0 answers
2. asked by HELP!!!!
3. 550 views
The table shows the amount of marbles brandon has in each bag.Brandon's Marbles bag) 1,2,3,4,5,6 marbles)12,11,12,20,21,20. What
1. 1 answer
2. asked by melissa
3. 363 views
If 17.0 mL of 0.590 M CaCl2 are mixed with 46.6 mL of 0.480 M CaCl2, calculate the molarity of each ion in the final solution?
1. 1 answer
2. asked by Pob
3. 473 views
What is the difference between the shape of a side view of atriangular prism and a top view of a triangular prism?
1. 0 answers
2. asked by liz
3. 491 views
For the given reaction, how many moles of water will be formed starting with 45.0 moles of aluminum hydroxide:2AL(OH)3(s) + 3
1. 1 answer
2. asked by Elaine
3. 1,345 views
For the given reaction, how many moles of ammonia will result from 4.0 moles of nitrogenN2(g) + 3H2(g) > 2NH3(g)
1. 1 answer
2. asked by Elaine
3. 1,053 views
Which choice below gives the number of faces, edges, and vertices of arectangular pyramid? A. 5, 8, 5 B. 4, 7, 4 C. 6, 12, 8 D.
1. 1 answer
2. asked by liz
3. 595 views
How many milliters of 1.80M HCl are required to react with 30.0 grams of calcium hydroxide according to the given equation:CA(OH
1. 1 answer
2. asked by Elaine
3. 2,043 views
You have a 1200 foot roll of fencing and a large field. You want to make two smaller fields by splitting a rectangular enclosure
1. 1 answer
2. asked by jill
3. 951 views
How many milliters of 0.500 M magnesium nitrate can be produced from the reaction of 35.5 grams of magnesium bromide.
1. 1 answer
2. asked by Arlene
3. 1,288 views
causes and effects of the Crusades?
1. 1 answer
2. asked by TeeTee
3. 492 views
A spherical surface has a radious of .150 meters. A charge of +85.0 uC is placed on the sphere.A. decribe what happens to the
1. 2 answers
2. asked by Sanjida
3. 546 views
If 80.0 grams of methane were reacted with 368 grams of oxygen, how many grams of water would be formed (find limiter first).
1. 1 answer
2. asked by Lisa
3. 613 views
User: in 1995, the life expectancy of males in a certian country was 67.3 years. In 2001, it was 69.8 years. let E represent the
1. 0 answers
2. asked by zteava
3. 446 views
"How many calories of heat are required to raise the temperature of 650 g of water from 13.0C to 20.0C? (Heat of water is
1. 0 answers
2. asked by sharon
3. 453 views
Find the formula for a function of the form y=Asin(Bx)+C with a maximum at (0.5,0), a minimum at (1.5,−4), and no critical
1. 0 answers
2. asked by Karku
3. 553 views
A student reacts 20.0 grams of sodium hydroxide with hydrochloric acid and obtains 25.0 grams of sodium chloride. What is the
1. 2 answers
2. asked by Lisa
3. 738 views
Donna must choose a number between and that is a multiple of , , and . Write all the numbers that she could choose. If there is
1. 1 answer
2. asked by john
3. 665 views
I am writing a paper on the movie "Smooth Talk" and the short story "Where are you going where have you been". I am going to be
1. 5 answers
2. asked by Hannah
3. 983 views
write the constraints as linear inequalities and identify all variables used.A canoe requires 8 hours of fabrication and a
1. 1 answer
2. asked by ash
3. 2,850 views
calculate the heat released for 5.00 grams if H2O cooling from 99 degrees celcius to 22 degrees celcius in joules and calories
1. 2 answers
2. asked by Meagan
3. 597 views
Help!1. Describe the social strusture of feudal society. 2. what were the similarities and differences between feudalism in
1. 7 answers
2. asked by Pamela
3. 776 views
Two point charges, one of +3.00 10-5 C and the other -5.00 10-5 C are placed at adjacent corners of a square 1.400 m on a side.
1. 1 answer
2. asked by Terri
3. 836 views
the equation y=1777x+27,153 can be used to predict the number Y of gun deaths in the US X years after 2000, that is x=0
1. 2 answers
2. asked by bianca last one I promise
3. 402 views
I'm watching shark tank and they keep going on about royalty. They'll say something along the lines of:I'll give you 500k for
1. 3 answers
2. asked by Lena
3. 631 views
solve for 5x+3y=2 and 6x+4y=7
1. 1 answer
2. asked by maria
3. 275 views
Left Wing:Support(sometimes radical) change; think that the government should provide more social services such as education and
1. 3 answers
2. asked by Lola
3. 666 views
2(5656)-93872
1. 2 answers
2. asked by steph
3. 270 views
A gas mixture contains oxygen and argon at partial pressures of 0.60 atm and 425 mmhg. If nitrogen gas added to the sample
1. 1 answer
2. asked by Jane
3. 948 views
how did europe's geography affect its development?
1. 6 answers
2. asked by Pamela
3. 1,131 views
. Adam wants to compare the fractions2� 5 1 � 6 �, and 1� 3 .� He wants to order them from least to greatest and rewrite them so
1. 8 answers
2. asked by liz
3. 1,446 views
Adam colored two parts of a 4 × 4 grid. He colored1_ 2 of the squares red and 1_ 4 of the squares blue. How many of the squares
1. 3 answers
2. asked by liz
3. 606 views
In Chicago what are some jobs problemlist it.Explain
1. 1 answer
2. asked by sanjana
3. 460 views
Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb
1. 5 answers
2. asked by Cheril
3. 773 views
Please confirm if I did the follow problems correctly:A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: =
1. 1 answer
2. asked by Jeannie
3. 631 views
What are the 5 things that every business needs to succeed?
1. 1 answer
2. asked by Charlie
3. 363 views
The sum of two integers is -4. Their difference is 12. Name the integers.
1. 1 answer
2. asked by johnny
3. 414 views
I need help with these homework questions!!1. if a young person aspiring to a career in environmental issues joins professional
1. 5 answers
2. asked by Tyler
3. 513 views
The length of the smaller of the two diagonals of a rhombus is 12 and the length of the larger diagonal is 16. What is the
1. 1 answer
2. asked by Reid
3. 491 views
a solution that has an absorbance of 0.603 is diluted ten fold. What is the absorbance of this solution now?
1. 1 answer
2. asked by carla
3. 484 views
I'm actually doing a project but I don't know how easy it will be to describe it. It involves two weights, both attatched to the
1. 0 answers
2. asked by stacy
3. 382 views
I left out two sentences. Thank you.1) I take the clothes out (and not: I take out the clothes?) 2) You mustn't speak during the
1. 1 answer
2. asked by Mike
3. 957 views
The length and width of a given rectangle are 6 feet and 5 feet.What is the perimeter of the rectangle? What is the area of the
1. 1 answer
2. asked by DestinyLashea
3. 429 views
Can you please check these sentences? It's really urgent.1) At school I mustn't cheat during a test (also tests?). 2)When I do
1. 1 answer
2. asked by Mike
3. 555 views

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