Thursday
July 31, 2014

Posts by Liz


Total # Posts: 1,128

chemistry
an electron jumps from the sixth energy level to the second energy level. Determine the energy change associated with this eled=ctron trasition.

Enchancing Children's Self-Esteem
im sorry but i strongly suggest you take another look in your text materials for the correct answers.......

physics
An air hockey table works by pumping air through thousands of tiny holes in a table to support light pucks. this allows the pucks to move around on cushions of air with very little resistance. one of these pucks has a mass of 0.25 kg and is pushed along by a 12.0 N force for 9...

physics
Suppose a 65-kg boy and a 45-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.

ap world history
durin g 8000bce-600ce ehat kind of humans,animals,vegitation dwelled in the caribbean islands?how did they use the geographic features?

Chemistry & Math
If you add 1.0ml (cm3) of a aqueous solution of NaCl at 0.4mol to 9.0ml of water what's the final concentration of NaCl in mmol? ty

american lit
How was john Proctor a tragic hero?

american lit
What was the rationale behind witch craft in The Crucible by Arthur Miller?

chemistry
can a nonpolar molecule be made up of polar bonds

PHYSICS
A FIREWORKS ROCKET IS MOVING WITH A SPEED OF 45.0 M/S. THE ROCKET SUDDENLY BREAKS INTO TWO PIECES OF EQUAL MASS, WHICH FLY OFF WITH VELOCITIES V1 AND V2. WHAT IS THE MAGNITUDE OF V1? (THE ANGLE OF V1 WITH RESPECT TO THE ORIGINAL V DIRECTION IS 30 DEGREES WHILE THE ANGLE OF V2 ...

Chemistry
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Al. Find the theoretical yield (in grams) of manganese from the reaction of 240 g of this mixture.

Chemistry
Suppose you wanted to dissolve an aluminum block with a mass of 15.4 g What mass of H2 gas (in g) would be produced by the complete reaction of the aluminum block?.

Chemistry
ok thank you

Chemistry
we only used small samples and for most of the compunds they just stuck to the bottom. So are you saying that calsium sulfate is the only one that doesn't disolve?

Chemistry
which of the following compounds dissolve in water?? -Sodium Nitrate (NaNO3) - Sucrose (C12H22O11) - Sodium Chloride (NaCl) - Potassium Sulfate (K2SO4) - Ethanol (C2H5OH) - Sodium Bicarbonate (Baking Soda)(NaHCO3) - Calcium Sulfate (CaSO4) i did an experiment, but I was not ab...

spanish 2
Cual es tu musicia favoritia? Mi musica favorita ________hip hop.

spanish 2
what about Cual es tu musicia favoritia? Mi musica favorita hip hop.

spanish 2
why is the first one that

spanish 2
fill in the blank with the correct word Donde estamos?__________ en Philadelphiao Estan listos? No_______ listos. Como _______ usted? Estoy bien

chemistry 111
how do know witch layer is water and methylene chloride?

elementary
what is the definition of quality

BioChemistry
The process of catabolism releases free energy, some of which is stored as ATP and some of which is lost as heat to the surroundings. Explain how these observations are consistent with the fact that catabolic pathways are essentially irreversible. I really don't know. I ev...

History
What was the Jacksonian Era trying to prove and how does it relate to U.S. history? Any help would be greatly appreciated.This is a bonus question that we can earn extra points on.

History
Thank You Do u think it's a good topic that I will be able to get a lot of information on and end up finishing my paper with six pages doubled spaced?

History
I posted the other night about a topic for my research paper. The event had to be between 1492-1865. I think that I might have come up with one. I was thinking about the Jacksonian Era? What would be some sub categories for this. I started researching already. Any ideas would ...

History
The outline is sepearate from the entire paper. We have to turn the outline in before the paper. I'm looking into that site that you gave me right now.

History
There wasn't really no instructions. They just gave us a time era 1492-1865 use MLA, 5 refrences one must be primary it's my first year in college. Then we have to do an outline for it.

History
Can you lead me into a more specific topic that isn't to broad. When I'm writing do I just pick one of those years between that time frame. I need something that I'm going to be able to break into like sub categories so I can reach the page length that is required.

History
Something that really stood out between those years. Probably Explorations or slavery

History
What are some good/interesting research paper topics that can be from 1492-1865.Any ideas would be very well appreciated.

algebra
8(x-8)^3-1728

Macroeconomics
How does the existence of money affect efficiency and equity, stability and growth?

Macroeconomics
How does the existence of money affect efficiency and equity, stability and growth?

Math
Can u please guide me on solving these two equations please. Thank You 3.6-7.6 (-8.3)-11.4

BIO
What will be lost if intrusion goes unchecked in the Galapagos Islands?

artist
Sorry forget about the note above ive got the answers now. Thankyou very much for the help.

artist
I also need to know where George Braque lived and worked. Thankyou. Liz

artist
Thankyou ever so much for the help Ms. Sue and SraJMcGin I will try again on the links putting an s on the end of george. Hopefully it will work. Liz

artist
Can someone help me with these questions please. Q1)Where did George Braque live, work and die? Q2) How did George Braque create the cubist style of art. (No links my computer doesnt let me click on linked pages. Thankyou.)

GuruBlue
Ok thankyou GuruBlue and bobpursley.

GuruBlue
Where can you get the Julius Ceaser video from? I need to watch it for school

artist
Thankyou

artist
I tried the link but it isnt working so i need the answer not a link. My computer isnt very good at the moment.

artist
Why did George Braque create the cubist style of art? Anybody know? Thankyou Liz

Design and Technology
Thankyou for the help.

Design and Technology
Where was Andy Warhol educated? I cant find anywhere it can tell me. Help! Thankyou. Liz

artist
Thankyou Ms. Sue!

artist
Who influenced George Braque with his work. Anyone know any sites to help me? Thankyou. Liz

artist
Thankyou!

artist
Where were George Braque's artistic friends. Can you please help me i have no idea what so ever! Thankyou! Liz

artist
Thankyou Writeacher!

artist
Where did George Braque live?

math (algebra).
That equation is not understandable

biology
how does the urinary system support reproduction and passing on genetics?

biology
How does the circulatory system and the lymphatic system support reproduction and passing along genetics?

thanks
thanks

Biology
How does the skin or the integumentary system support reproduction and passing along genes?

thank you
thanks

passing on species
I have to write an essay. I need some suggests as to where to start or some ideas as to what to write about. The topic is: One main biological objective for any living organism is to continue its species by reproducing and passing along genetic info. Discuss by way of example ...

math
The box has 18 pencils.Divide the box into sixths. 1/6 of 18=? Now do I divide the box in single rows of six and each row there's three pencils? and my answer is 6? Thanks liz.

math
). What is 20% of $750.00?

spanish
yes your right

spanish
yep

spanish
yep

spanish
yes

spanish
it's D

spanish
yes

spanish
yes

spanish
it's B

Biology
How did eukaryotic cells develop?

chemistry
thank you GK

chemistry
If the molar mass of ASA is 180.2 g/mol, how many moles of ASA were stated by rhe manufacturer to be present in the tablet tested? (Manufacturer stated 325mg Set up as Conversion factor) Can someone please show me ho to work it out?

6th Grade Math
I don't get it either help us!

6th Grade Math
I don't get it either help us!

algebra
sorry its not rationalizing

algebra
its called rationalizing the denominator

algebra
4 square root 22 over 4square root 2 multiply by 4 square root 12 over 3 square root 18

algebra
4√22/4√2*4√12/3√18

algebra 1
find the common ratio of each sequence: 1. 8,20,50,125......? 2. 0.48,0.9,1.8,3.6.....?

chemistry
thank you!

chemistry
Write Sulfuric acid and potassium hydroxide where the products are potassium sulfate and water.

12th grade
Write the chemical equation for Sulfiric Acid and potassisum sulfate the product is potassium sulfate and water.

English
When typing my essay for school the teacher wants the margins to be 1 1/2 half. How would I type that in the box to change my margins. Would it be 1.50

Math
My friend and I are both going to start working. I'm starting Sunday and will have every 9th day off. She's starting Monday (the day after me) and will have every 6th day off. When is the first day we'll both have off to go to the mall? I'll need the formula al...

calculus
I did do the sum and difference of the cubes and got these as my partial fractions: A / (x+1) Bx + C / (x^2-x+1) D / (x-1) Ex + F / (x^2+x+1) I got the answer for A = -1/6 and D = 1/6. But I was having trouble with the other variables...

calculus
I am working on this problem and having some trouble. We're supposed to use partial fractions. The problem is: integral of dx / (x^6-1) . I got the values of A and D, but I am having trouble with the others. Help please!

Pre-calculus
Thanks

Pre-calculus
Find the first three iterates of the function f(x)=x^2-2, if the intial value is -2. z(0)=-2 z(1)=(-2)^2-2 or 4-2=2 z(2)=(2)^2-2 or 4-2=2 z(3)=(2)^2-2 or 4-2=2 Answer: z(1)=2, z(2)=2, z(3)=2

Pre-calculus
Ok thanks i know where i went wrong

math
suppose that a width of a rectangle is 5 inches shorter than the length and the the perimeter of the rectangle is 50 set up an equation for the perimeter invlving only l, the length of the rectangle find the length and width

Biology
The part of translation that most closely resembles the assistant's job is Ribosomes. The bricks represent amino acids.

College Algebra
Slove 5x+4y=12 for y When graph, this equation would be line. By examing your answer to part a what is the slope and y intercept of this line

College Algebra
A tennis club offer two payment options option 1. aaaaaaaaaa442 monthly fee plus $5/hour for court rental option 2. No mothly fee but $8.50/hour for court rental. Let x = hours per month for court time. Write a mathematical model represnt toltal monthly cost, C in terms of x f...

chemistry
(1) - A gas is released. - An insoluble substance is produced. - A permanent color change is observed. - A heat energy change is noted. * (exothermic reaction: releases heat) * (endothermic reaction: absorbs heat) * (Light is emmitted) not sure about the other two, sorry

Algebra II
find each product and simplify if possible: 9z+5 X 5z ---- ----- 15 81z(exponent 2) -25

calculus
A power station and a factory are on opposite sides of a river 50 feet wide. A power line must be run from the station to the factory. It costs 25 dollars per foot to run the cable in the river and $15 per foot on land. Express the total cost as a function of x, where x repres...

11th Grade-math
A power station and a factory are on opposite sides of a river 50 feet wide. A power line must be run from the station to the factory. It costs 25 dollars per foot to run the cable in the river and $15 per foot on land. Express the total cost as a function of x, where x repres...

math
4 to 34 I think

science
what benefit do liquids have over soilds when trying to react the chemicals?

6th grade Math
692 two is under 5 so you dont round up its .69 and 657 seven is over 5 so u round up so .66 understand

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