Friday
October 31, 2014

Posts by na


Total # Posts: 30

science
The cider is heated from an initial temperature of 4°C to a final temperature of 65°C. The steam enters the heat exchanger as 50% quality steam and exits as water condensate at 85°C. Calculate the mass of steam required to heat 150 kg of cider. (For the cider, ...
July 16, 2014

phi 208
Individual proprietors of small businesses
May 18, 2014

Math
Subtract money amounts 1/ Aidan has $5.00 to buy a can of tennis balls that cost $3.79. How much change should he get back? 2/ Sylvia has $10.00 to buy a hairbrush that cost $ 6.88. How much change should she get back?
February 19, 2014

Math
Q:1 and 2 3/4= 6/8=9/24=12/16=15/20=18/24........ 2/5=4/10=6/16= 8/20= 10/25 My answers true or false
February 19, 2014

English
Write the vocabulary word from the word box that matches each idea. Communicate - flick - alert- signal - chatter - grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/ .............to warn ...
February 15, 2014

chemistry
Mr. Arswan iss preparing a mixture for a science experiment. He measures 10.5 grams of wood shavings, 150 grams of iron filings, and 18.50 grams of salt. What is the total mass of Mr. Arswan`s mixture? A 30.5 grams B 179 grams C 150.5 grams D 17.9 grams
October 6, 2013

Math
45 divided by 5/11 4/7 divided by 7/8 2 1/2 divided by 4 5/7x =140 Please help Thanks
December 26, 2012

Physics Help
A 3.50-inch floppy disk in a computer rotates with a period of 2.02E-1 s. What is the angular speed of the disk?
November 30, 2012

Math
10h+6-5h+3
November 3, 2012

Physics
A 1.70-kg block slides on a rough, horizontal surface. The block hits a spring with a speed of 2.00 m/s and compresses it a distance of 11.3 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.534, what is the ...
October 26, 2012

PHYSICS
An electron is located on a pinpoint having a diameter of 2.04 µm. What is the minimum uncertainty in the speed of the electron?
April 20, 2012

english grammer
a or b) for each number as well as an explanation of why you made that choice. just need help explaining why? Answer A 4a. John has become a rather good actor. 4b John has became a rather good actor. Answer A 5a. Some athletes have taken drug tests to prove they are not on ...
January 9, 2012

physics
A drag racer accelerated from 0 to 475km/h in 4.88 s. Assuming a constant acceleration, how far did it travel?
November 8, 2011

RECORD MANGEMENT
I NEED HELP IN CODING AND INDEXING RECORDS.
January 31, 2011

psychology
“Perpetrators”—students who reported at least one violent act (hitting, shoving, etc.) against their partner in their current or most recent relationship—and
January 12, 2011

Chemistry...Help!!
this answer is incorrect. The following should be switched: 0.049 L/0.03368 mole =1.455 molar should be 0.03368 mol/0.049 L =0.6873 molar the rest of the steps are correct but you would need to substitute the above number in for the remainder of the problem
December 7, 2010

physics
A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.6 m/s and her body makes an angle of 84 degrees with respect to the horizontal surface of the water .
September 11, 2010

science
what volume of benzene ( C6H6 d=0.88g/ml molar mass = 78.11) is required to produce 1.5*10^3 kj of heat
June 30, 2010

physics
find the distance light travels from its starting point, S, to its final point, F, by traveling two different paths: Note: you'll need to know Pythagorean Theorem.
November 11, 2009

physics
a butterfly at eye level is 20 cm in front of a plane mirror. you are behind the butterfly, 50 cm from the mirror. what is the distance between your eyes and the image of the buterfly in the mirror?
October 31, 2009

physics
a. 5 b. ? c. 3 d. ?/?
October 20, 2009

algebra
f(x)=x+2x+3 and x=1&6
August 31, 2009

7th grade Math
I think it is 170 because the second person has the first handshake with the new teacher and its like one less.The answer is 170.
April 22, 2009

Algebra
3.To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one variable that could be used...
March 18, 2009

ponctuation, mechanisme, and writing
a or b) for each number as well as an explanation of why you made that choice. just need help explaining why? Answer A 4a. John has become a rather good actor. 4b John has became a rather good actor. Answer A 5a. Some athletes have taken drug tests to prove they are not on ...
November 27, 2008

chemistry
i'm working on the same project as you. i'll post my answer once i get to this question.
September 20, 2008

geometry
find the 2 missing patterns 1,2,6,24,120,.. 2,4,8,16,32,.. 1,1/4,1/9,1/16,1/25,.. 1,1/2,1/3,1/4,..
August 25, 2008

geometry
find the 2 missing patterns 1,2,6,24,120,.. 2,4,8,16,32,.. 1,1/4,1/9,1/16,1/25,.. 1,1/2,1/3,1/4,..
August 25, 2008

geography
what is a narrow arm of the sea at the mouth of a river where the ocean tide meets the river current called?
September 15, 2007

development
To what extent does development mean more than than economic growth? Development of what? Please clarify your question and tell us what you think the answer is. We'll be glad to critique your ideas.
February 2, 2007

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