Saturday
December 10, 2016

Posts by lacey

Total # Posts: 138

Geometry
nvm, i figured it out i think
August 20, 2008

Geometry
Name at least four ordered pairs for which the sum of coordinates is -2.
August 20, 2008

English
A thesis statement is a focused selection of text that can be anywhere from just one sentence to a few pages in size that clearly delineates the argument that will be taken in a proposed paper to be written. A thesis statement should be prepared in advance for all types of ...
August 19, 2008

Chemistry
Homogeneous Mixtures: salty water Heterogeneous Mixtures: sandy water
August 19, 2008

Critical Thinking
A personal mission statement is a brief description of what you want to focus on, what you want to accomplish and who you want to become in a particular area of your life over the next one to three years. It is a way to focus your energy, actions, behaviors and decisions ...
August 19, 2008

Physical science
the volume of gas is your dependent because it changes according to the temperature
August 19, 2008

math
how do you make a chart or a table?
August 19, 2008

AP Bio
FOOD CHAINS FOLLOW A SINGLE PATH AS ANIMALS EAT EACH OTHER. EXAMPLE: GRASS (is eaten by a) GRASSHOPPER (which is eaten by) a FROG (which is eaten by a) SNAKE (which is eaten by a) HAWK -------------- FOOD WEBS SHOW HOW MANY ANIMALS ARE INTERCONNECTED BY DIFFERENT PATHS. ...
August 19, 2008

Algebra
u must be really really smart, u've answered most of ppls questions, including my own
August 19, 2008

Algebra
is it 70?
August 19, 2008

Physics
can scientific laws be changed by a vote?
August 19, 2008

Physics
Can scientists from other countries change what physicists in the United States think? Need help ASAP work due tomorrow XD
August 19, 2008

sci/275
lakes, rivers, glaciers
August 19, 2008

Solving for Variables
1. 2T^2 + 3KT - 3K = 2 (for T) 2. x^3-4x^2 + 6 = 0 (for x)
August 5, 2008

calculus
how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit differentiation.
March 23, 2008

math
a punch recipe calls for 1 .5 liters of juice .how many millilitres is this
March 10, 2008

SAT Math... again
I asked two questions yesterday, and thankfully, bobpursley answered the latter. I accidentally typed in the first question wrong, so I'd really appreciate it if someone helps me out. Thank you, and have a good day :) 1. Kevin is 3 years younger than Nora. If n represents ...
October 15, 2007

ETH 125
Hey, I'm a student and I sort of did a paper on this a few months ago. To pick my topic, I basically wrote about my own race, because I know most about it. Then, I picked a problem in my community that my race (which is a minority) deals with constantly, so I just wrote ...
October 15, 2007

SAT Math?
I'm working on a couple of SAT math programs for school, and I have trouble figuring some out. 1. Joe is 3 years younger than Kate. If n represents Nora's age now, what was Kevin's age 4 years ago, in terms of n? A. N + 7 B. N + 1 C. N - 1 D. N - 4 E. N - 7 2. If (...
October 14, 2007

Chemistry
Actually, sorry, the amount LEFT OVER is .262g of Na3PO4 - .362 was the amount used.
September 25, 2007

Chemistry
I have a reaction here: 2Na3PO4.12H2O + 3BaCl.2H2O --> Ba3(PO4)2 + 6NaCl + 30H2O and a question: 0.349g of BaCl2.2H2O and 0.624g of Na3PO4.12H2O are dissolved in 500mL of water to form a solution - how many grams of the excess reactant remain after the reaction has gone to ...
September 25, 2007

Word Problem
A quarterback and end play on their team. From the start of a play, Pete, the end, runs down the field at about 25 feet per second. Two seconds after the play starts, Phil, the quarterback, throws the ball, at about 50 feet per second, to Pete, who is still running. I need ...
September 17, 2007

Science
Why is miosis important in providing airation in living things?
September 11, 2007

OChem Nomenclature
Here is a compound that I am trying to name... H H \ / C || CH3-CH2-C-CH2-CH2-CH2-CH3 I came up with 3-methylheptene, but the answer says 2-ethyl-1-hexene. Can someone please explain why I'm wrong? Thanks that showed up wrong - the methyl with the double bond should be on ...
June 13, 2007

chemistry
Can someone please tell me why I would (or wouldn't) expect a color change if FeCl3 were added to pure aspirin and also to oil of wintergreen? (I know aspirin is mostly salicylic acid, and I'm not even sure what compounds are in oil of wintergreen, I'm pretty sure ...
June 12, 2007

Chemistry
Hi, I have another question... I need to write a reaction for the preparation of americium by reducing AmF3 with barium vapor at 1100C I'v looked and can't find anything that will help me with this... (I'm preparing for finals, so this might not be my last question...
June 9, 2007

Chemistry
Can someone please give me an example of a chemical reaction of scandium with oxygen? Thanks This site may have the information you need. http://www.webelements.com/webelements/elements/text/Sc/chem.html that's awesome, thank you! :) You're welcome. Sorry, I've got...
June 9, 2007

Chemistry
Wow, ok, that helps a LOT!! I guess you can't very easily balance an equation that can never happen! :) Thanks a lot! Just to make things clear, wouldn't it have to be Mg3(PO4)2, from balancing the charges? Because PO4 is -2 and Mg is +3, so it would need to be ...
April 11, 2007

Chemistry
....CH3.................O........................... ...__/......................||.......................... ..// \\______N___C___CH___NH2. ..\==/.............|..................||…............. ........\...........H…….......CH3……….... ......CH3...
March 12, 2007

Chemistry Help.......
State the Le Chatelier's principle and explain the following i) The effect that incresing the pressure will have on the eaualibrium yield of methanol ii) The effect of increasing the temperature will have on the equalibrium yeild of methanol iii) The effect of the ...
March 12, 2007

Chem
Reaction 1 ............................O ...........................// CH2=CH-CH-OH + CH3-CH-CH2-C ........|...........|......\ .......CH3.........CH3......OH Left of the "+" is COMPOUND 1 and the right is COMPOUND 2. a) Identify the Functional groups in compounds 1 ...
March 12, 2007

Chem
CH2 = CH - CH - OH ............| ...........CH3 Draw the structure of this polymer and identify the monomer unit. Should show three monomer unit State the type of polymerization involved in forming this polymer Hi Lacey, do you know the answers for part a, of question 5 at all...
March 12, 2007

Chem
Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide. Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and yeilds an acid solution when added with water. Sodium Cyanide = empirical formula NaCN is a solid melts at 564C a) Assuming that the valencies of ...
March 6, 2007

Chem
Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide. Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and yeilds an acid solution when added with water. Sodium Cyanide = empirical formula NaCN is a solid melts at 564C a) Assuming that the valencies of ...
March 6, 2007

Chemistry
Can you explain the process for solving this problem (this one is more complicated than the example in our book): A solution contains both I^- and Cl^-, each at a concentration of 3.0x10^-2M. What concentration of Pb^+2 is required to precipitate the maximum amount of one of ...
February 19, 2007

Chemistry
Can you give me an example of a compound that can make Ba3(PO4)2 even more insoluble than it already is (and can you tell me why, just for my own understanding)? You use the common ion effect which is just an extension of the Le Chatelier's Principle. The solubility of Ba3...
February 19, 2007

algebra
c=210+c Huh? Not possible for any c If x is any number and p is any positive value, then x + p > x.
September 17, 2006

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