Friday

October 9, 2015
Total # Posts: 40

**Chemistry**

You are given 7.80g of Bromine gas in a container. Under identical conditions, you have 12.8g of an unknown gas. What is the molar mass of the unknown gas? - so, considering the molar mass of Bromine that I used was 159.808g/Mol, I did: 7.80g Br / 159.808g/mol = 12.8g unknown ...
*September 29, 2015*

**Math**

If a rectangle has a perimeter of 12 meters and each side is a whole number of meters, what are the possible dimentions for the length and width? List them and explain your answer.
*March 4, 2014*

**Math **

Explain why its necessary to rename 4 1/4 if you subtract 3/4 from it.
*February 6, 2014*

**Math**

Oh it was supposed to be the other way. Whoops
*February 5, 2014*

**Math **

Which is a good comparison of the estimated sum and the actual sum of 7 7/8 + 2 11/12? A. Estimated < actual B. Actual> estimated C. Actual = estimated D. Estimated < actual I chose D
*February 5, 2014*

**Math **

Can the sum of two mixed numbers be equal to 2? Explain why or why not.
*February 5, 2014*

**Math**

Which of the following represents the difference between two equal fractions? A.1 B.1/2 C.1/4 D.0
*January 29, 2014*

**Math Explanation**

How can estimating be helpful before finding an actual product.
*December 2, 2013*

**Math**

Marco and Suzi each multiplied 0.721 x100. Marco got 7.21 for his product. Suzi got 72.1 for her product. Which student multiplied correctly? Why?
*November 21, 2013*

**Math Explaining**

How would you use a number line to round 347 to the nearest ten?
*November 20, 2013*

**Math**

Which number of markers can not be divided equally except by giving to one person? A)4 B)12 C)19 D)39
*November 5, 2013*

**Math**

What is the prime factorization of 12? A.2^2*3 B.2^3*3 C.3*4^2 D.2*3*4
*November 5, 2013*

**Math**

Adult tickets cost $6 and children’s tickets cost $4. Mrs. LeCompte says that she paid $30 for tickets, for both adults and children. How many of each ticket did she buy?
*October 30, 2013*

**Math Explanation**

Marcy wants to put tiles on a bathroom floor that measures 10 ft x 12 ft. What kind of square tiles should she buy to tile her floor? Explain.
*October 30, 2013*

**Math**

No, like what the answer is.
*October 30, 2013*

**Math**

I still dont understand
*October 30, 2013*

**Math**

What size rectangular floor can be completely covered by using only 3x3 or 5x5 ft tiles? You can't cut tiles or combine the two tile sizes.
*October 30, 2013*

**Math Critical Thinking**

So each 12 months 3 times, so 6 in 2 years
*October 16, 2013*

**Quantum physics**

What is the superposition that results if you apply the Hadamard transform H⊗n to the state 12√(|0n⟩+|1n⟩)? (Here, |0n⟩:=|00⋯0n⟩ and |1n⟩:=|11⋯1&#...
*September 8, 2013*

**Quantum physics**

Q11 answer please......
*September 8, 2013*

**Quantum physics**

any help for Q 3 and 11 I am not sure what to tick....... sorry anoy.....it was just a assumption.
*September 8, 2013*

**Quantum physics**

answer for Q3 is option 4 answer for Q11 is option 2 Please revert..........with thanks and let me know if any help needed
*September 8, 2013*

**Quantum physics**

anoy, answer for 8 is 8(a) 1/sqrt(2) |00> 0 |01> 0 |10> 1/sqrt(2) |11> 8(b) 0 |00> 1/sqrt(2) |01> -1/sqrt(2) |10> 0 |11> 8(c) 1/2 |00> 1/2 |01> -1/2 |10> 1/2 |11>
*September 8, 2013*

**Quantum physics**

Any help for Q3, posted above here
*September 7, 2013*

**German**

could you please guide me from where should I start learning German Language and its prunciation from scratch
*May 17, 2013*

**Math**

17g A=(.5)t/k
*December 3, 2012*

**Chemistry-1**

How do we find the molar mass of a gas produced? Example if 1.00 kg of N2H2 reacts with 1.00kg of H202. How many moles of N2 could be formed? THe equation is N2H2+2H202 > N2 + 4H20
*April 9, 2012*

**Recheck-Essay**

oral cavity - the opening through which food is taken in and vocalizations emerge; "he stuffed his mouth with candy" mouth, oral fissure, rima oris teeth, dentition - the kind and number and arrangement of teeth (collectively) in a person or animal glossa, lingua, ...
*February 24, 2012*

**Recheck-Essay**

By studying in the USA, I believe that I am not only getting an internationally recognized education, but also a thrifty one. My decision to study here will help me become independent. In addition, the money I save by studying here will eventually help me realize my life's...
*February 24, 2012*

**Recheck-Essay**

By studying in the USA, I believe that I am not only getting an internationally recognized education, but also a thrifty one. My decision to study here will help me become independent. In addition, the money I save by studying here will eventually help me realize my life's...
*February 23, 2012*

**Essay Check **

This is a paragraph in my essay. Please tell me if this makes any sense. (basically I want to save money by earning a quality and cheap education so I can save money to be able to open a free clinic to help people) >>>>>>>>>>>>>>>&...
*February 22, 2012*

**Essay Check **

This is a paragraph in my essay. Please tell me if this makes any sense. (basically I want to save money by earning a quality and cheap education so I can save money to be able to open a free clinic to help people) >>>>>>>>>>>>>>>&...
*February 21, 2012*

**Physics/Chemistry**

And what about the second one, can you explain that to me?
*February 7, 2012*

**Physics/Chemistry**

The following combinations of quantam numbers are not allowerd 1. n=3 l=0 m=-1 2. n=4 l=4 m=0 Can someone explain to me why the second one is not allowed. Also check my explaination for the first one. If L=0 then m also has to also =0 The s subshell (ℓ = 0) contains only...
*February 7, 2012*

**Diversity Essay**

This is my second essay, please I want some constructive criticism on this. Moreover this site does not give away our essays so they can be seen as plagiriazed correct? In my long distance trip to United Arab Emirates which I also call home, I volunteered at this posh ...
*February 5, 2012*

**Pre-Dental Essay**

I have to write a personal comments essay, please help me out in figuring if this is well written,makes sense and is worth it.. Truth be told I am fascinated by teeth. I find each molar precious and I want to preserve and pamper every atom that builds a tooth. Not only does ...
*February 5, 2012*

**12th grade Math - word problems**

28km
*September 20, 2010*

**Accounting**

Who Knows
*September 20, 2010*

**Chem**

24k/j
*April 8, 2010*

**Calculus**

a rectangular box of given volume is to be "a" times long as it is wide. find the dimension for which it has the least total surface area ? L= aw Total surface area= 2LW + 2Lh + 2Wh = 2aw^2 + 2awh + 2wh But volume= lwh= 2aw^2 h or h= V/2aw^2 Total Surface area= = 2aw...
*December 10, 2006*

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