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2011
June

Questions Asked on June 17, 2011

Calculate the quantity of heat gained or lost:a) 3.50 mol H2O freezes at 0.0 oC b) 0.44 mol of steam condenses at 100 oC
1. 1 answer
2. asked by Aidan
3. 4,575 views
please verify my answer:Consider the following REDOX reaction: Zn(s) + Pb+2(aq) &#56256;&#56518; Zn+2(aq) + Pb(s) a. Write the
1. 1 answer
2. asked by Dexter
3. 3,100 views
Please help me with the following question:Consider the following ion; XF2-2 What is the oxidation number assigned to element
1. 2 answers
2. asked by Amanda
3. 2,817 views
Calculate the heat released when 64.5g of steam at 119 C is converted to water at 36 C. Assume the specific heat is 4.184 J/g*C
1. 1 answer
2. asked by Sydney
3. 2,735 views
Little confusing!! I need help PLZ!!!Two half cells in a galvanic cell consist of one iron (Fe(s)) electrode in a solution of
1. 1 answer
2. asked by Andrew
3. 2,708 views
What is 304 in expanded form
1. 3 answers
2. asked by Anonymous
3. 2,332 views
what is the activity of water at 11barand 298k
1. 1 answer
2. asked by Anonymous
3. 2,023 views
What shall this 5/90 lotto produce from the last two result.Winning -- Machine 21.20.73.78.18--89.62.83.30.37 68.4. 22. 5
1. 6 answers
2. asked by Matte
3. 1,949 views
Calculate the amount of energy required for the formation of one mole of MgSe bonds (not lattice energy). The radius of the
1. 1 answer
2. asked by Ashley
3. 1,918 views
Please help me verify:The following reactions are involved in the formation of acid rain. Use oxidation numbers to identify
1. 4 answers
2. asked by Dexter
3. 1,844 views
Use simplex method to solveMaximize p = 30x + 20y+30z subject to x + y+z <= 9 4x + 2y-2z <= 30 5x + 10y+3z <= 60 x, y, z >=0
1. 3 answers
2. asked by Terry
3. 1,695 views
Find an equivalent expression with the given denominator 4/n=?/n 2power. The expression that is equivalent to 4/n is
1. 1 answer
2. asked by Maria
3. 1,689 views
what two events changed the relatively peaceful relationship between the American colonies and Great Britain
1. 2 answers
2. asked by Anonymous
3. 1,596 views
Maya Angelou - I Know Why the Caged Bird SingsWhat Maya Angelou means by the title of her autobiography.? Please Help if you can
1. 1 answer
2. asked by Erik
3. 1,560 views
Brass is an alloy that is approximately 67% Cu and 33% Zn, by mass. How many grams of Cu and Zn are in a brass doorknocker
1. 1 answer
2. asked by Ippy
3. 1,481 views
Solve the LP using graphical methodMaximize p = 30x + 40y subject to x + y <= 90 4x + 2y <= 150 50x + 100y <= 4500 x>=0, y>=0
1. 3 answers
2. asked by lilian
3. 1,463 views
two numbers are in the ratio of2:3.If the sum of their sqares is 468,find the numbers
1. 2 answers
2. asked by yatin
3. 1,440 views
A room is 13 ft. It needs to be painted. The ceiling is 8 ft above the floor. there are two windows int he room, each one is 3
1. 1 answer
2. asked by Anonymous
3. 1,415 views
a boy 4 ft tall casts a shadow 6 ft long. he stands next to a monument that has a 52 ft long shadow. how tall is the monument?
1. 2 answers
2. asked by Sam
3. 1,404 views
How many grams of propane (C3H8) must be burned to release 3600kJ of energy?Standard Heat of combustion for Propane= -2220
1. 0 answers
2. asked by Max
3. 1,357 views
A horizontal pipe of diameter 0.845 m has asmooth constriction to a section of diameter 0.507 m. The density of oil flowing in
1. 0 answers
2. asked by ryan
3. 1,352 views
A room is 13 ft. It needs to be painted. The ceiling is 8 ft above the floor. there are two windows int he room, each one is 3
1. 1 answer
2. asked by Anonymous
3. 1,303 views
you start a pet sitting service. you spend $35 on advertising. You plan to change $5 on a day to watch each pet. a) write an
1. 2 answers
2. asked by Matt
3. 1,291 views
Maya Angelou's - I Know Why the Caged Bird Sings is a poemI need help Please anyone 1. Why is Marguerite often embarrassed when
1. 6 answers
2. asked by Billy
3. 1,262 views
11. Explain how music and culture influence one another. Provide an example of a song or album that affected culture. Provide
1. 1 answer
2. asked by Anonymous
3. 1,261 views
at the 0.05 level of significance, is there a difference in the variance of the study time for male students and female
1. 1 answer
2. asked by Anonymous
3. 1,245 views
in the book the cay list three precautionary things that timothy does just before the storm hits the cay?
1. 5 answers
2. asked by amy
3. 1,244 views
Use the reaction below to determine the volume of 0.123 M AgNO3(aq)that is needed to form 0.657 g of Ag2SO4 (s).2AgNO3(aq) +
1. 1 answer
2. asked by katydid
3. 1,179 views
find the tangent to y=27/(x^2+2) at (1,9)
1. 1 answer
2. asked by gabe
3. 1,167 views
x+y+3z=600x+y+z=400 1. In the system of equations above, what is the value of x+y? 2. There are 25 trays on a table in the
1. 2 answers
2. asked by Julia
3. 1,086 views
traffic signs are regulated by the manual on uniform control devices. the perimeter of some traffic sign must be 128 inches.
1. 15 answers
2. asked by willa
3. 1,071 views
so i've never used this litmus paper stuff & i totally missed the lab but i still have to answer this question.** Describe the
1. 0 answers
2. asked by Kalli
3. 1,055 views
An iceberg breaks off from the Antarctic continent and floats due north at constant velocity/ It's latitude south decreases by 1
1. 1 answer
2. asked by ivy
3. 968 views
in the book the cay what happen to timothy when he gets that "devil, d'fever"?
1. 2 answers
2. asked by amy
3. 962 views
why do halogens tend to form diatomic molecules?
1. 3 answers
2. asked by Elizabeth
3. 959 views
A bungee jumper is standing at the edge of a platform, just about to leap over the side. Midway through the jump, while the
1. 0 answers
2. asked by mireli
3. 950 views
Poem "A Voice," By Pat MoraHow do you interpret the speaker's statement that her mother's breath "moves through the family like
1. 4 answers
2. asked by Jacob
3. 940 views
I really need someone to check this short paragraph for me. I'm not a German native speaker and I need to prepare it for
1. 2 answers
2. asked by Henry1
3. 940 views
on april 30,(day 0) there will ve 2500 lovebugs living in marion county. the number of lovebugs living in marion county will
1. 1 answer
2. asked by renee
3. 921 views
How much energy must be put into a system to raise 100 g of solid water from 5.5 degrees Celsius to 75 Degrees Celsius?Heat
1. 0 answers
2. asked by Britney
3. 920 views
What volume does 627 cm3 of a gas at 14°C occupy at 40°C, if the pressure does not change?
1. 1 answer
2. asked by Jasmine
3. 883 views
Can someone please tell me how this paragraph would be rated? Literary technique paragraph using the second paragraph of the Jan
1. 1 answer
2. asked by Naviva
3. 879 views
in a dihybrid cross, the F2 will have nine genotypes, but only four phenotypes because the _, genes cause the _, traits to mask
1. 0 answers
2. asked by nuffy
3. 828 views
A CAR HAS A MASS OF 1200KG TRAVELLING ON A LEVEL ROAD. THE CAR DECELERATED AT A RATE OF 10M/S^2 TILL THE CAR STOPPED. iT HAS TO
1. 1 answer
2. asked by Janice
3. 816 views
Use simplex method to solveMaximize p = 30x + 20y+30z subject to x + y+z <= 9 4x + 2y-2z <= 30 5x + 10y+3z <= 60 x, y, z >=0
1. 1 answer
2. asked by mashoo
3. 784 views
discuss stellar evolution(briefly describe each stage). what forces are opposing one another throughout the life of a star and
1. 2 answers
2. asked by Stacy
3. 778 views
Solve: sin2xsinx - cos2xcosx = 1, x domain [-pi, pi].
1. 1 answer
2. asked by Robert
3. 774 views
a bus takes 8 hours to cover a distance of 320km what is the average speed of the bus?
1. 3 answers
2. asked by Anonymous
3. 766 views
if a person earn 23,600 one year and get a 5% raise in salary what is the new salary?
1. 1 answer
2. asked by Nichole
3. 739 views
how many milliliters of hydrogen at 0 degree C and 1400 mmhg are produced if 15g of magnesium reacts with sulfuric acid?
1. 2 answers
2. asked by abby
3. 721 views
A small rectangular ferry boat is 3.33 m wideand 5.64 m long. When a loaded truck pulls onto it, the boat sinks an additional
1. 1 answer
2. asked by ryan
3. 716 views
how do you calculate the normal boiling point of PCl3
1. 1 answer
2. asked by Ryan
3. 704 views
I Know Why the Caged Bird Singsok i got the first too who wants to help with this please i love yall forever 3. What does Mrs.
1. 0 answers
2. asked by billys back
3. 660 views
Please help verify my answer. Not confident it is right:please verify my answer: Consider the following REDOX reaction: Zn(s) +
1. 1 answer
2. asked by Dexter
3. 650 views
Factor completely. If a polynomial is prime, state this9 + 8t^2 - 18t
1. 1 answer
2. asked by Elisa
3. 642 views
Mary Olivers poem the journeyexplain the decision that the "you" in the poem made, and whether or not you think it was the right
1. 3 answers
2. asked by Angelica
3. 639 views
7[3m-(m+2)]>-6(m+3)Use set-builder notation to describe the complete solution {m|m > ? } (type an equality symbol; then type an
1. 1 answer
2. asked by Martin
3. 638 views
two numbers are in the ratio of2:3.If the sum of their sqares is 468,find the numbers please answered me imediately
1. 1 answer
2. asked by yatin
3. 635 views
America is experiencing a major issue with immigration. What will future criminologists face in studies of crime control based
1. 0 answers
2. asked by Stacy
3. 634 views
Please help verify my answer. Not confident it is right:please verify my answer: Consider the following REDOX reaction: Zn(s) +
1. 2 answers
2. asked by Dexter
3. 629 views
What is the Prime factorization of 198
1. 1 answer
2. asked by Anonymous
3. 627 views
a 200- to 300-word description of a business scenario, either real or fictional, that depicts each of the following forms of
1. 1 answer
2. asked by HDI
3. 624 views
at 5 p.m., a person 5 feet tall casts a 10-foot shadow. at the same time, a flagpole casts a 40-foot shadow?
1. 3 answers
2. asked by dona
3. 615 views
Does the following represent a sample or a population?calories created while burning all of the coal taken from a rail car
1. 1 answer
2. asked by Halima
3. 611 views
if fluoride is considered toxic, then why do they put it in tooth paste and municipal drinking water supplies?
1. 1 answer
2. asked by Jake
3. 609 views
Convert 367 to Egyptian form
1. 1 answer
2. asked by Anonymous
3. 605 views
Why is it important to consider the components of the social ecology framework in community and public health?
1. 0 answers
2. asked by Anonymous
3. 602 views
Factor completely. Remember to look first for a common factor. If a polynomial is prime, state this-4t^2 + 64
1. 1 answer
2. asked by Elisa
3. 602 views
Calculate the amount of energy required for the formation of one mole of MgSe bonds (not lattice energy). The radius of the
1. 1 answer
2. asked by Ashley
3. 596 views
When dissolved in 1000 g of water, which chemical compound will produce a solution with the greatest freezing point depression?
1. 1 answer
2. asked by mercedes
3. 591 views
what Is the unpaid balance of this loan at the end of the 10th year if you are buying the home for $250,000 with a Interest rate
1. 1 answer
2. asked by Anonymous
3. 590 views
Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are
1. 2 answers
2. asked by mema
3. 588 views
James has saved $50. He wants to buy a DVD player for $149 in about 5 months. To find out how much he should save each week he
1. 3 answers
2. asked by Joe
3. 588 views
What are these elements listed from most reactive to least reactive? (: thanks bunches!! ((:Mg, Al, Ne, C, H, Cu, Fe, B
1. 1 answer
2. asked by Lisa
3. 574 views
Can you please check these statements?I'm not sure about the word choice. 1) Explore the theme of the double as it occurs in the
1. 2 answers
2. asked by Henry1
3. 567 views
James has saved $50. He wants to buy a DVD player for $149 in about 5 months. To find out how much he should save each week he
1. 1 answer
2. asked by Lauren
3. 561 views
what products would be formed if glycerol were combusted? wright a balanced equation for the combuntion reaction of glycerol
1. 0 answers
2. asked by mack
3. 560 views
1. Susan and Molly, employees in a busy call center, are chatting at lunch. Between bites of fried chicken, French fries, high
1. 1 answer
2. asked by larry
3. 559 views
Hi I have a sample question for a math assessment that I wanted to ask about:What number is expressed by (9 x 6) -s- 3? a 18 b
1. 5 answers
2. asked by Dexter
3. 558 views
A freshman is currently enjoying the Arts Studio program she is pursuing at a well-known university. In her free time, she likes
1. 1 answer
2. asked by mema
3. 552 views
I forgot to include the following questions. I really hope you can have a look at them. I need you to improve question 2. Thank
1. 1 answer
2. asked by Henry1
3. 549 views
What is a cathode and an anode? In the formula for table salt: NaCl, which part of the compound is a cathode and which part is
1. 1 answer
2. asked by Jordan
3. 540 views
rationalize the denominator 12 over 5 pie 90
1. 1 answer
2. asked by Melissa
3. 540 views
A newspaper iditorialist argues that the use of dsm-iv diagnostic labels is destructively antidemocratic, because it enables an
1. 2 answers
2. asked by sofia
3. 538 views
Based on the following information below:Listed price of the house-$329,000 Square feet-3600 Rooms -10 Bed rooms -4 finished
1. 1 answer
2. asked by Lola
3. 533 views
Can you hel me formulate the first sentence better? Thank you very much.1) Define the interior monologue providing an example of
1. 1 answer
2. asked by Henry1
3. 527 views
As CEO of a company, you notice that your five executives have the following salaries: $85,000, $91,000, $70,000, $70,000,
1. 1 answer
2. asked by Gregg
3. 523 views
The graph of y = 7cosx + 24sinx would be a sinusoid if it were plotted. What would be the first positive value of x at which
1. 1 answer
2. asked by Randy
3. 523 views
PROVE THAT (1+COT A+TAN A)(SIN A-COS A)=SEC A\COSEC A-COSEC A\SEC A
1. 0 answers
2. asked by SARADA
3. 516 views
how do we calculate or determine the distance to stars? what units do we use and what are the limitations (if any) of the method
1. 1 answer
2. asked by Stacy
3. 503 views
o A few minutes later, Susan tells Molly that she doesn’t like their coworker, Karishima, because she can’t understand half
1. 1 answer
2. asked by larry
3. 490 views
A ball is thrown with an initial velocity of 10 m/s from a height of 2 meters. At what time does the ball hit the ground?
1. 1 answer
2. asked by Ashley
3. 486 views
o A few minutes later, Susan tells Molly that she doesn’t like their coworker, Karishima, because she can’t understand half
1. 1 answer
2. asked by larry
3. 482 views
13/14 + 2/9 reduce answer to lowest terms
1. 1 answer
2. asked by nikki
3. 473 views
50x^8 y^8/25x^4 y2 + 28x^7 y^6/14^3
1. 1 answer
2. asked by cookieKwillz
3. 467 views
"Something invisible, seeking shelter from the cruel and pitiless vacuum of space." Is an example of:a. metaphor b.
1. 1 answer
2. asked by Maddison
3. 466 views
How can a leader balance a spiritual organizational culture without imposing spiritual values on employees?
1. 1 answer
2. asked by MeMe
3. 465 views
What's the force on a mans knees weighing 235 lbs falling from 8' landing on his feet on hard dirt be?
1. 1 answer
2. asked by kevin
3. 461 views
a ball is thrown straight upward with some unknow velocity. The ball reaches a maximum height above the launch point of 32m. how
1. 3 answers
2. asked by frank
3. 458 views
Can you please check these two sentences, again? I had misspelt a noun in my previous post.1) Define the interior monologue
1. 1 answer
2. asked by Henry1
3. 456 views

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