Tuesday

May 31, 2016
Total # Posts: 1,884

**chemistry**

unsaturated
*May 29, 2009*

**chemistry**

i think it is saturated
*May 29, 2009*

**chemistry**

so it is unsaturated
*May 29, 2009*

**chemistry**

If 20 g KCL is dissolved in 100g of water at 20 degrees C, is the solution unsaturated, saturated, or supersaturated?
*May 29, 2009*

**chemistry help**

411 grams
*May 28, 2009*

**chemistry help**

so what do i write as the answer
*May 28, 2009*

**chemistry help**

what mass of ammonium chloride can be added to 100g of water at 20 degrees C before the solution becomes saturated
*May 28, 2009*

**chemistry**

need help please???
*May 27, 2009*

**chemistry**

what mass of ammonium chloride can be added to 100g of water at 20 degrees C before the solution becomes saturated
*May 27, 2009*

**Language arts**

Like i.e. the lions were his favorite because they had beautiful manes and eyes and the giraffes were neglected because they had long necks and spotted fur.
*May 25, 2009*

**Language arts**

That sounds like a good start. You could say that maybe the zoo keeper had a favorite animal [to represent the "perfect" race] and that he neglected the other animals and wouldn't let them play with the other animals [those captured in concentration camps] ...
*May 25, 2009*

**Statistics**

For the gene pair that determines eye color, each gene trait may be one of two types: dominant brown (B) or recessive blue (b). A person possessing the gene pair BB or Bb has brown eyes, whereas the pair bb produces blue eyes. a) Suppose both parents of an individual are Bb. ...
*May 25, 2009*

**looking for college scholarships**

ookay
*May 22, 2009*

**looking for college scholarships**

Do you know of any that you applyed for?
*May 22, 2009*

**looking for college scholarships**

I am a junior in high school and I am in the process of trying to find scholarships that I can apply for right now at the moment. I am trying to start early as I can. Thanks!! If you can help me find scholarships and or grants. But i say absolutely no loans at all. :)
*May 22, 2009*

**Science - Weather**

Describe what would happen to the temperature on Earth if the amount of energy reflected back to space a) increased to 80% b) decreased to 5%
*May 21, 2009*

**chemistry help**

can you tell me what to write
*May 20, 2009*

**chemistry help**

What mass of ammonium chloride can be added to 100 g of water at 20 degrees C before the solution becomes saturated?
*May 20, 2009*

**Question ! :)**

I was thinking of things like Myspace and how putting your personal information out there can put your life in jeopardy. Also, if you save something to a hard drive on a computer open to other people, then anyone can see your information and do whatever they want with it. I&#...
*May 19, 2009*

**Question ! :)**

Why is it important to use caution before putting any personal information on a computer? (example(s) required) I think everyone knows the general idea to the answer to this question but this is my final exam question...so it has to be thorough. Any specific ideas for an ...
*May 19, 2009*

**chemistry**

a polymer is a molecule with repeating units usually joined with covalent chemical bonds. 2 examples of naturally occurring polymers are proteins & starches.
*May 19, 2009*

**pre calc need help**

Find the indicated function value. Do not use a calculator. tan 180 degrees
*May 18, 2009*

**chemistry help asap**

explain how paper chromatography separates the components in a solution
*May 18, 2009*

**Math**

Please explain ... What percent of 60 is 72? 35 is what percent of 20? Thank you!
*May 17, 2009*

**physics**

I have a few questions that i am not too sure how to figure out... 1- as a racing car zooms by you, its pitch decreases by 20%. If the speed of sound is 345m/s, how fast is the car travelling? 2-a person has a threshold of hearing of 5db. another person has a threshold of ...
*May 17, 2009*

**12th grade- Trigonometry**

Find the exact value of each expression Cos^-1(0) Tan^-1 sqrt(3)/3 Sin^-1(1) Since the expressions are capitalized, I'm not sure if I have to do anything different. Any help is appreciated.
*May 14, 2009*

**Math**

Please explain how I write this into a decimal and as a fraction in simplest form: 94.6% Thanks!
*May 10, 2009*

**Maths**

What are like terms
*May 7, 2009*

**Maths**

What are lke terms in formula
*May 7, 2009*

**newletters ideas**

okay great
*April 28, 2009*

**newletters ideas**

for all more like
*April 28, 2009*

**newletters ideas**

what is a great newletter topic that I can do on about school or classroom?
*April 28, 2009*

**Math**

How do I figure out what is greater 67.5% or 135/200 ? Thanks!
*April 27, 2009*

**exponents**

I need help with a few problems... (4^3 x 5^-2)(5^4 x 4^-5)/ 4^-3 x 5^3 and (2^x+2) - (2^x+5) = -7 please help!:)
*April 5, 2009*

**physics**

what can be said about the speed of an object if the net work done on that object is zero?
*April 2, 2009*

**Math**

Use synthetic division to show that x is a solution of the third-degree polynomial equation, and use the result to factor the polynomial completely. List all the real zeros of the function. x^3 - 28x - 48 = 0 x=2 I have no idea how to start this problem!!
*April 1, 2009*

**Science - Biology**

Please can someone help me! I've got to do a biology experiment to Investigate the relationship between reaction temperature and the effectiveness of action of the enzyme amylase on starch. I really dont know what it is all about pls someone help :)
*March 29, 2009*

**Math:Evaluate Expression**

2.4?
*March 25, 2009*

**Math:Evaluate Expression**

I understand now. I think our messages were overlapping. Thank you!
*March 25, 2009*

**Math:Evaluate Expression**

So, 12 divided by 3, minus 6.4?
*March 25, 2009*

**Math:Evaluate Expression**

I'm not sure I understand.
*March 25, 2009*

**Math:Evaluate Expression**

k/3 - 6.4 for k=12 Thank you!
*March 25, 2009*

**Math:Evaluate Expressions**

7.8?
*March 25, 2009*

**Math:Evaluate Expressions**

e/3-2x3 for e=41.4 Please explain. Thank you!
*March 25, 2009*

**6th grade mah**

How do I simplify 28% of 64?
*March 24, 2009*

**english**

What are some verbal techniques?
*March 21, 2009*

**History**

How did life in the British North American colonies contribute to the creation of a unique American identity? What are some examples of this?
*March 18, 2009*

**English**

what are written techniques?
*March 17, 2009*

**British Lit**

What do we learn about Sir Gawain's character from his speech in line 343-365?
*March 14, 2009*

**Chem**

Describe the 6 changes of state that substances might undergo in terms of appearance and energy transfer.
*March 10, 2009*

**physics**

At what distance would the repulsive force between two electrons have a magnitude of 8.50 N? I have no idea how to do this problem... can someone help me please... 3x10^-4/8.50?
*March 9, 2009*

**Science**

if every single person on this planet (about 5x10^9) could eat 1 pizza every second, how many years would it take them to eat 1 mole of pizza. 1 mole= 6.02x10^23
*March 4, 2009*

**physics**

A solid aluminum ingot weighs 88.0 N in air.What is its volume?The ingot is suspended from a rope and totally immersed in water. What is the tension in the rope (the apparent weight of the ingot in water)? To find the volume would i do density/specific gravity of aluminum?
*March 1, 2009*

**language- swedish**

i really would like to learn swedish. if anyone could help me, id really be greatful and in return, i could help with english or german. thankyou!
*February 25, 2009*

**physics**

25cm is the other operator
*February 23, 2009*

**physics**

You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different diameters. A worker pushes down on a piston at one end, raising the car on a platform at the other end. To handle a full range of jobs, you must be ...
*February 23, 2009*

**Physics**

Suppose you viewed a movie that was running backwards. You would see lots of odd things happen: streams would flow uphill, a diver would emerge upwards and go back to the diving board etc. If these backward moving events actually happened in nature, which principle or ...
*February 20, 2009*

**Maths**

How do I work out how much is left of something after a percent has been taken. For example: $50 has 25% taken of it how much of the $50 is left?
*February 18, 2009*

**biology**

Why are coral reefs generally limited in distribution to shallow marine waters?
*February 15, 2009*

**Math**

Yes, 20/24. Makes sense. Thank you!
*February 12, 2009*

**Math**

please explain to me how to figure out what fraction is greater. ex. 5/6 __ 1/8
*February 12, 2009*

**math**

unscamble the word: ripem , phase , and clamidd into math words
*February 9, 2009*

**pre calc**

okay thanks
*February 9, 2009*

**pre calc**

yes to change it to y=mx+b form
*February 9, 2009*

**pre calc**

how do you put these in y=mx+b form 3x+5y=8 16-5x=2y
*February 9, 2009*

**english need help asap**

3. d 4.b
*February 9, 2009*

**english need help asap**

* 3. Which phrase from Song of Myself, Number 52 is a simile? Which phrase from Song of Myself, Number 52 is a simile? a. “He complains of my gab and my loitering.” b. “I shake my white locks at the runaway sun.” c. “If you want me again look ...
*February 9, 2009*

**english**

6. c
*February 9, 2009*

**english**

can you help with these 5. Free verse is best described as — Free verse is best described as — a. poetry written without regular rhyme schemes and meter b. words and expressions not meant to be taken literally c. clues that hint at what will happen later on in...
*February 9, 2009*

**english**

1. c 2.c
*February 9, 2009*

**algebra need help**

Evaluate each expression. 3x^2-2x+1 if x=5 3a^2b^3 if a=2, b=-3
*February 8, 2009*

**algebra**

1. a number increased by 21 is 28. find the number 2. a number decreased by 12 is equal to 30. find the number. 3. 8 less than a number is 15. fid the number
*February 7, 2009*

**science**

what substance do you use to grow a virus in a lab
*February 7, 2009*

**chemistry**

they are not i have no idea where to start.
*February 6, 2009*

**chemistry**

Balance the following equations? Fe2O3 + 3H2 → 2Fe + 3H2O 4NH3 + 5O2 → 4NO + 6H2O 2Al + 6HAsO3 → 3H2 + 2Al(AsO3)3
*February 6, 2009*

**stats**

How would r change if researchers had recordered the proportions?
*February 6, 2009*

**stats**

Often the percent of an animal species in the wild that survive to breed again is lower following a successful breeding season. This is part of nature‘s self- regulation, tending to keep population stable. A study of merlins (small falcons) in northern Sweden observed the...
*February 5, 2009*

**stats**

Often the percent of an animal species in the wild that survive to breed again is lower following a successful breeding season. This is part of nature‘s self- regulation, tending to keep population stable. A study of merlins (small falcons) in northern Sweden observed the...
*February 5, 2009*

**English**

Mark Twain's skill as a humorist shows in Chapter XI. He uses a play on words in this chapter. What is it?
*February 4, 2009*

**chemistry**

Solid silicon and solid magnesium chloride forms when silison tetrachloride gas reacts with magnesium metal. Write a word equations and an ublanced formula equation. Include all of the appropriate notations.
*February 4, 2009*

**algebra help**

x^2+6x+5/x^2+8x+15 for what values is # underfined.
*February 4, 2009*

**chemistry**

Solid silicon and solid magnesium chloride forms when silison tetrachloride gas reacts with magnesium metal. Write a word equations and an ublanced formula equation. Include all of the appropriate notations.
*February 4, 2009*

**chemistry**

Magnesium oxide forms from magnesium metal and oxygen gas. Write a word equation and an unblanced formula equation. Include all of the appropriate notations.
*February 3, 2009*

**chemistry**

What symbol is used in a chemical equation to indicate the phrase "reacts with "?
*February 3, 2009*

**chemistry**

it is product??
*February 3, 2009*

**chemistry**

symbol used in a chemical equation to indicate the phrase with react with?
*February 3, 2009*

**chemistry**

describe evidence that chemical reactions take place during a firework display
*February 3, 2009*

**chemistry**

describe evidence that chemical reactions take place during a firework display
*February 3, 2009*

**chemistry**

when propane gas C3H8, is burned with oxygen, the products are carbon dioxide and water. Write an unbalanced formula equation for the reaction.
*February 3, 2009*

**algebra**

so for what value is the number underfined?
*February 3, 2009*

**algebra**

Simplify 5x^7y^6/ 4y^6x^3 * 7x^3y^4/6x^2y^5
*February 3, 2009*

**algebra**

Simplify 5x^7y^6/ 4y^6x^3*7x^3y^4/6x^2y^5
*February 3, 2009*

**algebra**

Simplify x^2+6x+5/x^2+8x+15 for what valuesis the number underfined?
*February 3, 2009*

**Math**

0.48m 5213m
*January 28, 2009*

**Math**

48cm = ___m 458cm + 47m + 55cm = ____cm
*January 28, 2009*

**algebra**

factor 6x^6-15x^3+21x^2
*January 25, 2009*

**math**

Factor 6x^6-15x^3+21x^2
*January 25, 2009*

**math**

what does it equal -2
*January 25, 2009*

**math**

factor 8x^3+4x^5
*January 25, 2009*