Tuesday
September 23, 2014

Posts by Alexis


Total # Posts: 636

8th grade science
hdhiwhgiturioyigpo
November 15, 2010

college Chemistry
It requires 945.0 kJ/mol to break N2 molecules into atoms. Calculate the maximum wavelength of light that will still break these molecules apart. I tried converting the energy to kj and using E=hc/wavelength but that didn't give me the right answer...
November 4, 2010

college Chemistry
it did work, thanks!
November 4, 2010

college Chemistry
It requires 945.0 kJ/mol to break N2 molecules into atoms. Calculate the maximum wavelength of light that will still break these molecules apart. I tried converting the energy to kj and using E=hc/wavelength but that didn't give me the right answer...
November 4, 2010

math
-7w+23=8w+1
October 29, 2010

Chemistry - College
The ionization energy of a certain element is 472 kJ/mol. However, when the atoms of this element are in the first excited state, the ionization energy is only 166 kJ/mol. Based on this information, calculate the wavelength of light emitted in a transition from the first ...
October 26, 2010

Physics
Ok thank you.
October 26, 2010

Physics
You are very slowly pushing up an incline with a calculator sitting on it. The coefficient of static friction is 0.7. At what angle θ will the calculator start sliding?
October 26, 2010

Physics
You are very slowly pushing up an incline with a calculator sitting on it. The coefficient of static friction is 0.7. At what angle θ will the calculator start sliding?
October 26, 2010

Physics
You are very slowly pushing up an incline with a calculator sitting on it. The coefficient of static friction is 0.7. At what angle θ will the calculator start sliding?
October 26, 2010

College Chemistry
Given that delta Hrxn for OH- ions is -229.6 kJ/mol, calculate the enthalpy of neutralization when I mole of a strong monoprotic acid (such as HCl) is titrated by 1 mole of a strong base (such as KOH) at 25-degrees C.
October 26, 2010

English-Article on the Hunger Games
you should put in that bella and edward are from the top selling twilight series, other than that i think that the artical is amazing
October 24, 2010

social studies
i need to draw a kid verson of a separatist
October 21, 2010

math
I have more ones than tens. The value of me tens digit is 80. What number am I?
October 19, 2010

Physics
A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)? I don't know how to ...
October 17, 2010

finance
Write a 200- to 300-word paper comparing long- and short-term financing. Describe situations in which each type of financing would be used. Post in your Assignment Section.
October 16, 2010

Physics
A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)?
October 16, 2010

Physics
A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)?
October 16, 2010

Physics
A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)?
October 16, 2010

3rd grade
140,000
October 14, 2010

math
2(b -3)+5=3(b-1)
October 14, 2010

Science
thank you...I hope people answer with good statements saying why need the most votes for science class. need as many as possible.
October 14, 2010

college physics
Okay thank you for your help.
October 13, 2010

college physics
Ohio State this is my first physics class I have ever taken.
October 13, 2010

college physics
So would it be 78*3.6
October 13, 2010

college physics
Arthur (mass 78 kg) and Violet (mass 31 kg) are trying to play on a seesaw. If Violet sits 3.6 m from the fulcrum, at what distance from the fulcrum should Arthur sit?
October 13, 2010

physics
F(new)=F(old)x Cos(angle)
October 11, 2010

college
Vocabulary analogies
October 4, 2010

12th grade economics
what does the process of specialization do for the economy?
October 2, 2010

7th grade
i need help with this problem -4p < 76 please help ASAP!
September 29, 2010

Math
So the answer is 1.2 million ? but thats also in the question.
September 27, 2010

Math
There are about 1.2 million people in the U.s who speak chinese. This is about 3 times the number of people who speak greek. How many people speak Greek?
September 27, 2010

3rd grade
How do we answer this question...the flower shop just received a shipment of 432 roses. they need to fill an order for 273 roses. use any method to estimate how many roses they will have left.
September 23, 2010

3rd grade
mary's birthday is between june 13 and june 23. the date of her birthday is not an even number. the sum of the digits is 3. when is mary's birthday?
September 20, 2010

Algebra
How do I solve this funtion: (2x-9)-(1-x)
September 17, 2010

Algebra
How do I solve this funtion: (2x-9)-(1-x)
September 17, 2010

College Economics
Hey can someone tell me how to graph this in excel please. Thanks. Produce a chart in Excel showing TC and TR with Q on the horizontal axis. Have Q go from 0 to 15,000 units. Produce a second chart showing MC and MR with Q again on the horizontal axis. Here is the problem for ...
September 16, 2010

economics
Hey can someone tell me how to graph this in excel please. Thanks. Produce a chart in Excel showing TC and TR with Q on the horizontal axis. Have Q go from 0 to 15,000 units. Produce a second chart showing MC and MR with Q again on the horizontal axis. Here is the problem for ...
September 16, 2010

English
How did Arthur Miller use the witch trials to represent the McCarthy witch hunt?
September 13, 2010

3rd grade
Explain how you would use a number line to round 148 to the nearest ten.
September 13, 2010

chemistry
What is the mass, in grams, of 3.57×10^−2 ?
September 12, 2010

6th Grade Math
what is the equivalt fraction to 9/12
September 2, 2010

Chemistry
A gas has a density of 1.25 g/L at STP. What is its molecular mass?
September 2, 2010

math
name each number in 2 different ways 67,000
September 2, 2010

math/prealgebra
what are the actual definitions to the word algebra itself? algebra? cubed? counter example? function table? function rule? can you help me find these definitions?
August 20, 2010

4th grade
writing in expandfed form when it comes to hundred thousands.
August 10, 2010

statistic math
it is known that 5% of all parts manufactured at Plant F are defective. If 30 part are randomly selected what is the probability that all 30 parts are not defective and what is the probability that at least one of the 30 parts is defective?
July 22, 2010

Math
Find the equation of a line with slope m = -3 that passes through the point(5, -7) A.y = -3x + 22 B.y = -3x - 22 C.y = -3x + 8 D.y = -3x -8
July 7, 2010

HELP MATH
Thank you so is the property Subtitution?
July 7, 2010

HELP MATH
What property is demonstrated by the following? y = 3x + 7 and x = 3 y = 3 • 3 + 7 A.reflexive property B.symmetry C.transitive property D.substitution
July 7, 2010

Math
What property is demonstrated by the following? y = 3x + 7 and x = 3 y = 3 • 3 + 7 A.reflexive property B.symmetry C.transitive property D.substitution
July 7, 2010

Algebra
a) 1/6 b).17
June 2, 2010

Algebra
The hudson record store is having a going-out-of-buisness sale. CD's normally sell for $18.00. During the first week sale, all CD's will sell for $15.00. a. written as a fraction, what is the rate of the discount? b. what is this rate expressed as a percent? Round your...
June 2, 2010

Math
minus 2z on both sides 3z-43=80 then add 43 to each side 3z=123 then divide 123 by 3 and you get z=41
June 2, 2010

german
du hast durchfall??
May 23, 2010

Algebra
oh? so the answer is just n=6
May 23, 2010

Algebra
so the answer for 3 consecutive positive even integers such that the product of the second and third integers is 20 more than ten times the first integer........the answer is n=6 and n=-2
May 23, 2010

Algebra
thankx
May 23, 2010

Algebra
find three consecutive positive even integers such that the product of the second and third integers is twenty more than ten times the first integer. [only an algebraic solution can give full credit]
May 23, 2010

English
its really not good grammar ms. sue because you could use synonyms for the word a lot....you could used many or an extensive amount,,,but you really shouldn't use the word a lot...it just doesn't sound good
May 23, 2010

English
#1 should be He wants to take a lot of pictures of a baby. technically you shouldnt use the word a lot cuz its poor grammar
May 23, 2010

English
scared lonely
May 23, 2010

Algebra
4x^2-7x-2=0 (4x+1)(x-2) ssoooooo basically there are 2 answers for x......x=-1/4 or -.25 and.....x=2
May 23, 2010

chemistry
i got 8.3/299.15 = v2/311.15 but how do i get v2?
May 17, 2010

chemistry
If you have 8.3 liters of air in a balloon at room temperature (26°C) and heat the balloon to 38°C, what would the new volume be?
May 17, 2010

Math
Because he was examining train tracks.
May 16, 2010

chemistry
find the molarity of 9.0*10 (to the -4 power) moles of Mg(OH)2 in 1500 ml of water. what is the answer?
May 6, 2010

chemistry
find the molarity of 0.087 f of H2SO4 in 3.4 L of water? what is the answer
May 6, 2010

chemistry
17.9 moles of NaOH in 500 ml of water? please tell me the answer
May 6, 2010

chemistry
find the molarity of 35.8 g of HCl in 2.5 L of water???? what is the answer
May 6, 2010

chemistry
what mass of salt can be produced from the reaction of 3.45 grams of sodium hydroxide and an excess of hydrochloric acid?
April 27, 2010

chemistry
whats the answer
April 25, 2010

chemistry
what mass of salt can be produced from the reaction of 3.45 grams of sodium hydroxide and an excess of hydrochloric acid?
April 25, 2010

religion
what is a saying or a poem for dyer in the renassices
April 19, 2010

science
What made many scientists think the continents could not have changed position?
April 13, 2010

Math
the ratio of the corresponding side lengths of two triangles is 5 to 3. the perimeter of the larger triangle is 48m. What is the perimeter of the smaller triangle?
April 9, 2010

U.S history
what are 3 things that were or could of been, seen as "clouds in the blue skies of prosperity"?
April 7, 2010

math
What is the prime factorization of 48?
March 29, 2010

Trigonometry
2.424
March 15, 2010

2nd grade
2nd grade math measurement
March 10, 2010

Language arts
Thanks
March 9, 2010

Language arts
Ms Sue what were other choices that would fit?
March 9, 2010

Language arts
Thank you.
March 9, 2010

Language arts
No choice of words Trout or mouth? Shout communicates and you communicate with mouth.
March 9, 2010

Language arts
ship is to trip as shout is to ??
March 9, 2010

8th grade
Hey In Science were are learning about speed and motion and our teacher gave us the assignment to make a speed acrostic. Can I Get Some HELP?
January 25, 2010

histirie
what is jacques cartier mom name
January 4, 2010

algebra
D(g)=22g I need help on setting up a table value and graph it hel me please!!!
January 2, 2010

chemistry
I need help setting up this problem: A 5.0 sample of O2 is in a container at STP. What volume is the container and how many molecules of O2 in the container and how many atoms of oxygen?
November 9, 2009

Science (7th Grade)
My science teacher is really mean. And if I don't have the following questions done, I have a suspention! Please help!! 1) What discovery demonstrated that atoms are not the smallest particles? 2) Dalton did what to his theory that Democritus did not? 3) It is important ...
November 3, 2009

Trig
A billboard rests on top of a base. From a point level with the bottom of the base, the angle of elevation of the bottom of the billboard is 26 degrees and the top of the billboard is 31 degrees. From a point 21 meters further away, the angle of elevation to the top of the ...
November 3, 2009

math
10 ft being the long leg x being the short leg and y being the hypotenuse
October 29, 2009

12th grade
Which of the following two groups did NOT do battle with the Romans?
October 5, 2009

world history
how do you compare north american and latin/carribean racial ideologies from 1500-1830?
October 4, 2009

4th grade
how does geography impact people.
September 23, 2009

social studies
a home for sevrial families made of elm bark with largedoorsat each end is a what?
September 16, 2009

5th grade
a house built partly over a hole dug in the ground is what? A pueblob (Hopi), hogan (Navajo), pit house (Chinook), longhouse (Iroquois), or a tepee (Mandan)?
September 16, 2009

Pre-Algebra
thank you so much dang i had the paper but then i lost it
September 15, 2009

math
10,000+4000+17+50+8
September 15, 2009

10th grade
wow i have the same exact essay due tomorrow! to be honest i cant find anything to help me! i need info plz!
September 2, 2009

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