January 31, 2015

Posts by lolo

Total # Posts: 39

September 11, 2014

Ms use can u plz delete this question
September 11, 2014

Can u delete this question plz
September 11, 2014

October 19, 2013

What is the final temperature of 1370 g of water, originally at 20.9°C, if it absorbs 47.6 kJ of heat?
April 23, 2013

analytical chemistry
the problem is find the pH of a solution prepared by dissolving all of the following in sufficient water to yield 1.00 L of solution :0.180 mole of chloroacetic acid (CICH2CO2H),0.020 mole ofCICH2CO2Na,0.080 mole HNO3, and 0.080 mole Ca(OH)2. Assume that the Ca(OH)2 and HNO3 ...
March 31, 2013

analytical chemistry
a 0.120 ml portion of a 50.0% (w/w) KOH solution having a density of 1.50*10^3 g/l is diluted to 250 ml. What is the pH of the resulting solution?
March 30, 2013

January 2, 2013

what is 4 divided by 371
November 28, 2012

if an averge current of 5.5 Amp is passing through aconductor for 2 min . what is the charge in Coulomb ( C ) crosstional areaed any cross sec
August 3, 2012

life orientation
Smoking kills
April 29, 2012

ATP synthase, shown below, uses the proton (H ) gradient to drive ATP synthesis. Put the following steps of ATP synthesis in order from proton transport to the synthesis of ATP: a. The y subunit rotates and interacts with the three alpha beta subunit pairs, causing ...
April 17, 2012

Oligonucleotides can be synthesized, one nucleotide at a time, by adding activated monomers to a growing chain. Place the steps of chemical DNA synthesis in the correct order. The first step is : 3' end of growing oligonucleotide attached to solid support. Then there is ...
April 17, 2012

I am working on a problem like this one. I dont understand how you got to 51.4 from 30500 + (-20,907) = 51.4 kJ. Can you explain?
March 14, 2012

You are choosing between two long distance telephone plans. One plan has a monthly fee of $15 with a charge of $.05 per minute. The other plans has a monthly fee of $5 with a charge of $.07 per minute. For how many minutes of long-distance calls with the cost for the two plans...
February 2, 2012

Two waves are travelling on a string in the same direction. Both have a frequency of 101 Hz, a wavelength of 0.400 m, and an amplitude of 0.410 m. What is the amplitude of the resultant wave if the original waves differ in phase by π/4 rad?
January 17, 2012

A ladder, 6m long rests against a wall. The foot of the ladder is 2.5m away from the base of the wall. The ladder has a 'safe angle' with the ground between 60(degrees) and 70(degrees). what are the safe limits for the distance of the foot of the ladder to the wall.
January 17, 2012

formule de lewis du c2h7no
December 28, 2011

1) to the nearest gram, what is the molar mass of Al2O3? 2)Br+H3O->HBr+H2O when this reaction is reversed what substance acts as an acid? what substance acts as a base ?
August 22, 2011

still i can't understand it
August 22, 2011

How long will it take for the 100mg of cesium-137 to decay to 6.25mg(1/16 the original amount)?
August 22, 2011

substance drug addiction
Can someone help me with the consequences of this human factor
May 21, 2011

what is 4 times 3
December 8, 2010

12th grade
on the "aster flower." What time of year might be symbolized by the aster flower and the other images of plant life found in the poem? How do these images contribute to the overall mood of the poem?
November 8, 2010

7th grade, math
5 more than 2 times a number
October 21, 2010

college chem
If your professor is strict about sig figs then the answer should be 55 atm.
October 17, 2010

September 18, 2010

what is the avarage of:89,84,63,79
September 18, 2010

esto es un estupidez os piden respuestas y me poneis tereas no os basta con lo que tenemos idiotas de malagana para que abrir la web si alfin y alcabo somos mas listos que ustedes....................esto no acaba aqui,....................
September 15, 2010

Growth, maturation, and learning are all used interchangeably with the term
August 8, 2010

what is the theoretical value for the M of acetic acid in vinegar if the vinegar is 5% acetic acid by a % mass value. Additional info: the experimental M of the acetic acid in vinegar is 0.80M Thank you!!
June 6, 2010

March 31, 2010

can u unscramble this aefinrtty
May 28, 2009

The second case since the inflation is the increase in the price level and 2 percent is lower than 19 percent and the interset is also lower so i'll saved more money
March 18, 2009

AP Physics
hi can u help me in my home work
November 13, 2008

Is there a significant difference between the average internet usage of persons aged less than or equal to 40 and those aged over 40? ( data i have is age and internet usage)
October 14, 2008

does anyone know any sites that can help me with my french homework. thankyou
February 24, 2008

Biology (( Plants ))
Hi I think how plants reproduce is a very complicated process and the structure of the plant ,, can anyone please give me a help and show me how plants reproduce cause my sats are coming and I'm in Grade 9 Thanks and I will be grateful to you You are right, it is ...
April 9, 2007

help me write an exposiyory math homework help me write an exposetory essay?
October 30, 2006

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