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2008
April

Questions Asked on April 25, 2008

if the specifc heat of iron = 0.46J/g C,how much heat is needed to warm 50g of iron from 20C to 100C-- I do not know how to make
1. 2 answers
2. asked by sam
3. 5,949 views
How many grams of NaOH are present in 5.0 mL of a 1.0% (m/v) NaOH solution?
1. 3 answers
2. asked by Rob
3. 5,070 views
Thanks can you check one moreIf it takes 105 calories to warm 100g of aluminium from 20oC to 25oC, what is the specific heat of
1. 5 answers
2. asked by sam
3. 4,504 views
A cube of side length 11.0 cm and made of unknown material floats at the surface between water and oil. The oil has a density of
1. 1 answer
2. asked by Nik
3. 2,920 views
write a polynomial function of least degree with integral coefficients whose zeros include 4 and 2i
1. 1 answer
2. asked by James
3. 1,950 views
The intensity of sunlight reaching the earth is 1360 W/m^2Part A: Assuming all the sunlight is absorbed, what is the
1. 1 answer
2. asked by Jill
3. 1,888 views
The price of 10 pounds of apples is d dollars. If the apples weigh an average of 1 pound for every 6 apples, which of the
1. 1 answer
2. asked by Anonymous
3. 1,595 views
A hydrogen nucleus has a radius of 1 x 10-15 m and the electron is about 5.3 x 10-11 m from the nucleus. Assume the hydrogen
1. 1 answer
2. asked by shanika
3. 1,199 views
Please help, my live tutor and I could spent 2 hours trying to solve these two:find an equation for tangent line y=-1-8^2@
1. 4 answers
2. asked by Pam
3. 1,170 views
two circles whose equations are (x-3)^2+(y-5)^2=25 and (x-7)^2+(y-5)^2=9 intersect in two points. What is the equation of the
1. 3 answers
2. asked by Connie
3. 1,123 views
1. What happens to the pressure and boiling point when there is an increase in altitude?2. What happens to the altitude and
1. 1 answer
2. asked by Chrisy
3. 1,020 views
Which bond is most polar?F-Cl O-P O-S F-F Si-O Which species has the shortest carbon/oxygen bond? carbon monoxide carbon dioxide
1. 3 answers
2. asked by Sania
3. 988 views
chnage the word "oh" in the following sentence and still keeping meaning same,Oh!, i have been in a UK.
1. 2 answers
2. asked by Suresh
3. 977 views
A golf-course operator must decide what greens fees (prices) to set on rounds of golf. Daily demand during the week is Pd = 36
1. 1 answer
2. asked by Rai
3. 967 views
describe atleast 4 ways an ectothermic organism's behavior helps it regulate its temperature..this is from lab 11. i don't quite
1. 0 answers
2. asked by Mo
3. 937 views
I'm sure how to work the following problems cant anyone help?1) Write an equation for the parabola with focus (4,0) and
1. 2 answers
2. asked by Jody
3. 903 views
You have four beakers labeled A, B, C, and D. In beaker A, you place 100 grams of silver nitrate and enough water to make 50 mL
1. 1 answer
2. asked by brandi
3. 885 views
-3ln l-2xl/5+2xPlease help. this shouldl read -3ln abs -2x over 5+2x
1. 5 answers
2. asked by Pam
3. 828 views
I need help with writing a description for a business for marketing class and I am stuck. The name of the business isThe Taste
1. 1 answer
2. asked by China
3. 814 views
help me please i don't understand what to do...Calculate the molar entropy of vaporization for liquid hydrogen iodide at its
1. 1 answer
2. asked by trista
3. 808 views
What is the simplest way of defining the phrase "decimal fractions?" A simple definition for my 4th grade class. Thanks alot.
1. 6 answers
2. asked by Ashley
3. 756 views
Prejudice is “a prejudgment, a conviction, reached beforehand, and shaped by preconceived ideas” (Baird pg 21). Most of the
1. 5 answers
2. asked by ramla A
3. 710 views
I am stumped on this homework problem and would like help at least to get me thinking in the right direction: It is a 2-D
1. 1 answer
2. asked by Jamal
3. 705 views
Bonjour,I just want to make absolutely sure that I now properly understand this: I know how to use negation in a simple
1. 6 answers
2. asked by Anonymous
3. 700 views
How does frequency, amplitude, and wave shape affect the pitch, intensity, and quality of notes produced by musical instruments.
1. 3 answers
2. asked by Sue
3. 693 views
One newspaper reported that the mayor received a salary increase of 5%. Another paper reported that the mayor's salary went up
1. 4 answers
2. asked by Autumn
3. 655 views
ok we got this packet that has an answer key and we g0tta show our work of how to get the answer. okayyy... they all seem like
1. 2 answers
2. asked by John
3. 643 views
Please revise the following. thank you.Professor Abdullah Ahmed An-Naim’s, discussion about Islam, Shari ‘a and freedom of
1. 10 answers
2. asked by Jenny
3. 635 views
At Kinko's, Sean made 56 copies costing $16. Color copies cost $0.75 each and black and white copies cost $0.10 each. How many
1. 3 answers
2. asked by Amber
3. 626 views
Differentiating the affects of environment vs the affects of DNA and how they affect "who we are" is often quite difficult.Other
1. 0 answers
2. asked by Will
3. 620 views
what are the three serious contemporary issues regarding the effect of advertising with American culture youth and health, for
1. 1 answer
2. asked by Jean
3. 616 views
so its this picture of a rectangle inscribed in a circle. the circle has a radius of 2. the vertexes of the circle are present
1. 2 answers
2. asked by Alexis
3. 611 views
In what circumstances is the right of free expression in schools not absolute?
1. 1 answer
2. asked by Tyran
3. 593 views
if it takes 31,500 joules of heat to warm 750g of water, what was the temperature change?My answer: Q = (M) (DeltaT) (c) Delta
1. 1 answer
2. asked by sam
3. 589 views
Calculate the equilibrium constant for the weak acid, CH3CH2CO2H, if the aqueous solution of CH3CH2CO2H that has an initial
1. 1 answer
2. asked by help!!
3. 584 views
Explain the politics of the consensus and explain the pragmatic political measures Eisenhower used to manage the economy?
1. 1 answer
2. asked by dan
3. 582 views
In what ways do you see psychology used in the environment (work, home, school, etc.) on a daily basis?
1. 2 answers
2. asked by Help Please
3. 578 views
can someone please help me to give me summary and study material for the poem Silver by Walter de la mare?
1. 2 answers
2. asked by Susan
3. 564 views
How do I do an embedded APA Citation for a picture?I need to put the citation underneath a picture within my report. Thanks Lucy
1. 1 answer
2. asked by Lucy
3. 546 views
i put 1 for the spaces before both of the Fes and got them both wrong but i got the others right. thank youBalance the equation:
1. 6 answers
2. asked by James
3. 542 views
If you were to design a research study at your work (hospital setting) can you give examples of dependent and independent
1. 2 answers
2. asked by Christy
3. 541 views
Can you explain and give me an example of how to divide decimals using an integer?Please be clear in your explanation because I
1. 1 answer
2. asked by Monica
3. 538 views
summary of a current issue between Native Americans and the federal government. Identify the legislation that you think is
1. 1 answer
2. asked by Anonymous
3. 537 views
Watson and Crick, two amazingly intelligent scientists of our time, realized that DNA’s structure had to be compatible with
1. 0 answers
2. asked by Lynn
3. 507 views
Hi there! I have totally got to find out how the Aussie Law is similar to the US law. Anyway I DO like know that like Oz follows
1. 0 answers
2. asked by Minnie
3. 494 views
in my paragraph i mention a name of an author on my work cited page. and i talk about his ideas and thoughts etc.so how do i
1. 2 answers
2. asked by jamie
3. 482 views
What are the differences between utopia and dystopia? What are some current real world references to utopia and dystopia?
1. 1 answer
2. asked by Zach
3. 481 views
In regards to color-blindness, I have a question! (Please make sure to note how the trait is passed on first.)If a woman is
1. 0 answers
2. asked by Will
3. 481 views
Using molecular polarities, discuss the solubility of the carboxylic acids in water.
1. 1 answer
2. asked by Johnathan
3. 479 views
For the reaction H2(g) +S(s)->H2S(s), Triangle H= -20.2 kJ and triangle S= 43.1 J/K. WHen will the reaction be spontaneous?I
1. 0 answers
2. asked by trista
3. 458 views
Does anyone here know anything about bowel movements?
1. 4 answers
2. asked by Toby
3. 457 views
how do you figure out the derivative, can you give an easy explanation. examples: -100 + 132Q - 20Q^2example: A/(A + 8)
1. 0 answers
2. asked by Rai
3. 454 views
If you were to design a research study at your work can you give examples of dependent and independent variables along with any
1. 2 answers
2. asked by Christy
3. 447 views
What evidence did Watson and Crick use to determine that DNA is a helix? Is there another cellular macromolecule that can assume
1. 0 answers
2. asked by Will
3. 441 views
what is an Incipient Civilizations
1. 1 answer
2. asked by LT
3. 438 views
Can someone assist me in determining The Elements That Should Be Present In An Appraisal System?
1. 1 answer
2. asked by Me
3. 430 views
If the function ƒ is defined by ƒ(x) = (x - a)(x - b) over (x - c), where 0 < a < b < c, for which of the following values of
1. 1 answer
2. asked by Anonymous
3. 427 views
what steps can i take to ensure a propose in why a company should except my proposal
1. 1 answer
2. asked by Jaz
3. 426 views
Multiplysq rt5(3sq rt3-5sq rt9) my answer is 3sq rt15 - 15sq rt5 is this correct? Thanks
1. 1 answer
2. asked by Jack
3. 425 views
COMO HACER JUGO DE NARANJA
1. 4 answers
2. asked by BRENDA
3. 415 views
How protein assists with immunity. Please help
1. 1 answer
2. asked by Dawn
3. 409 views
Does nickel from the periodic table bend?
1. 2 answers
2. asked by Brandon
3. 406 views
When a jet aircraft flies overhead on a clear day, you can see a trail of water vapour, called a contrail, in it's path. Which
1. 0 answers
2. asked by Ma
3. 401 views
Why are donuts tasty?
1. 1 answer
2. asked by cameron
3. 382 views
What is the name of a 3D shape resembling a thick book?
1. 1 answer
2. asked by Mary
3. 379 views
How can we to speed up the metabolism
1. 1 answer
2. asked by Dawn
3. 370 views
why is refraction important when seomeone uses a camera?
1. 1 answer
2. asked by abi
3. 362 views
how do you evaluate these numbers?/-48/-/-20/ -/-51/ I have looked every where and I need help please.
1. 3 answers
2. asked by Sami
3. 359 views
Find an equation of a line that is parrellel to the line of each equation:y=2x-7 y=-4x+5 y=x-3
1. 1 answer
2. asked by Marianna
3. 356 views
what is the decimal of 2/3
1. 1 answer
2. asked by jessica
3. 340 views
what is an example of prejudicial and non prejudicial?
1. 3 answers
2. asked by Jami
3. 316 views

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