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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. 4,553 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. 3,078 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. 2,794 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. 2,693 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. 2,684 views
What is 304 in expanded form
1. 3 answers
2. asked by Anonymous
3. 2,317 views
what is the activity of water at 11barand 298k
1. 1 answer
2. asked by Anonymous
3. 2,016 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. 1,927 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. 1,903 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. 1,814 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. 1,672 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. 1,668 views
what two events changed the relatively peaceful relationship between the American colonies and Great Britain
1. 2 answers
2. asked by Anonymous
3. 1,579 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. 1,529 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. 1,458 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. 1,436 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. 1,414 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. 1,385 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. 1,379 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. 1,342 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. 1,326 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. 1,272 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. 1,260 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. 1,242 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. 1,235 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. 1,234 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. 1,231 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. 1,154 views
find the tangent to y=27/(x^2+2) at (1,9)
1. 1 answer
2. asked by gabe
3. 1,152 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. 1,061 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. 1,041 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. 1,040 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. 949 views
why do halogens tend to form diatomic molecules?
1. 3 answers
2. asked by Elizabeth
3. 945 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. 938 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. 924 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. 921 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. 915 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. 903 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. 895 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. 872 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. 866 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. 806 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. 779 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. 761 views
Solve: sin2xsinx - cos2xcosx = 1, x domain [-pi, pi].
1. 1 answer
2. asked by Robert
3. 757 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. 753 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. 745 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. 727 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. 706 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. 693 views
how do you calculate the normal boiling point of PCl3
1. 1 answer
2. asked by Ryan
3. 691 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. 643 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. 629 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. 625 views
Factor completely. If a polynomial is prime, state this9 + 8t^2 - 18t
1. 1 answer
2. asked by Elisa
3. 615 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. 613 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. 612 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. 611 views
What is the Prime factorization of 198
1. 1 answer
2. asked by Anonymous
3. 611 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. 603 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. 602 views
Convert 367 to Egyptian form
1. 1 answer
2. asked by Anonymous
3. 595 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. 591 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. 591 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. 586 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. 584 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. 582 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. 581 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. 576 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. 570 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. 568 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. 560 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. 559 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. 549 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. 547 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. 545 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. 538 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. 535 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. 529 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. 529 views
rationalize the denominator 12 over 5 pie 90
1. 1 answer
2. asked by Melissa
3. 521 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. 519 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. 516 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. 509 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. 503 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. 501 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. 492 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. 487 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. 484 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. 469 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. 464 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. 462 views
50x^8 y^8/25x^4 y2 + 28x^7 y^6/14^3
1. 1 answer
2. asked by cookieKwillz
3. 459 views
13/14 + 2/9 reduce answer to lowest terms
1. 1 answer
2. asked by nikki
3. 453 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. 446 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. 445 views
How can a leader balance a spiritual organizational culture without imposing spiritual values on employees?
1. 1 answer
2. asked by MeMe
3. 445 views
Two ways by which lok sabha can vote for council of ministers by prime minister out of power??
1. 1 answer
2. asked by gauri
3. 441 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. 439 views

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