Tuesday

February 9, 2016
Total # Posts: 42

**chemistry**

The total phosphate concentration in a blood sample is determined by spectrophotometry to be 3.0×10−3 M. The pH of the blood sample is 7.45, What are the concentrations of H2PO4− and HPO42- in the blood? Pka for the phosphate system is 7.198
*December 9, 2014*

**science**

_______ describes all the processes associated with the discharge of magma, hot fluids, ash, and gases.
*August 28, 2014*

**pre algebra**

Use the compound interest formula to find the value of the investment after 5 years, compounded semiannually. $1,000 at 6% annual interest
*September 30, 2013*

**Lang Arts**

Ms. Sue How is 2 wrong please explain.
*January 24, 2013*

**8th grade Math**

Y equal - 4x plus 5 then y equal 3x mins 9
*January 16, 2013*

**English**

Im guessing you go to connections academy. I understand that you need help because I also need help on this test. but anywayyyss how do you like homeschooling???
*December 5, 2012*

**English - Ms. Sue help**

HELP USSSSSSSSSS!!!!!
*November 13, 2012*

**math**

How do you get the cubed root of something??
*October 9, 2012*

**Statistics**

If the interest rate is 3% and a total of $4,370.91 will be paid to you at the end of 3 yrars, what is the present value of that sum? my answer: $4,ooo.oo
*September 13, 2012*

**Business Math and Statistics**

If the interest rate is 3% and a total of $4,370.91 will be paid to you at the end of 3 years, what is the present value of that sum ?
*September 12, 2012*

**grammar**

In this sentence: Ms. Evans asked,''Trish, do you know why clouds change shape? '' is the word you a subject pronoun or an object pronoun?
*May 10, 2012*

**Mathematics **

make x the subject of the formula y=2x+3 x-4 hence determine the inverse of f(x) for the equation where x is not equal to 4
*May 2, 2012*

**Mathematics **

simultaneous equation x squared = 4-y x = y+2
*April 20, 2012*

**Chemistry**

you add excess sodium sulfate to a solution of a soluble barium compound in order to precipitate all of the barium ion as barium sulfate, BaSO4. Suppose a 458 mg sample of the barium compound is dissolved to create the solution. Then when the sodium is added, 513 mg of barium ...
*March 12, 2012*

**Chemistry**

you add excess sodium sulfate to a solution of a soluble barium compound in order to precipitate all of the barium ion as barium sulfate, BaSO4. Suppose a 458 mg sample of the barium compound is dissolved to create the solution. Then when the sodium is added, 513 mg of barium ...
*March 12, 2012*

**geometry**

maria wants to cover a wooden cube with carpeting on 4 of its faces. if the cube has an edge of 2ft, how much surface area will maria have to cover?
*February 9, 2012*

**Biology**

2000000 cells
*September 12, 2011*

**english**

How can i use rubbed in a sentence using a question mark?
*January 24, 2011*

**science**

the temperature at which water condenses out of air
*January 4, 2011*

**math**

If you already know the mean and all her test scores but one, how can you find the missing tes score?
*October 6, 2010*

**chemistry**

How many grams of sucrose,C12H22O11 must be dissolved in 750.mL of water to prepare a 0.250 molal solution?
*September 26, 2010*

**10th grade**

-56p2
*April 17, 2010*

**english**

What synonym could you use to replace horrendous?
*April 12, 2010*

**math**

the Wireless Cafe charges 5.40 for 45 minutes of internet access. how much money does the Wireless Cafe charge per minutes?
*January 1, 2010*

**Pharmacology**

If a drug is changed from oral to IV what dose change is needed?
*December 9, 2009*

**8th grad**

How do you add and subtract Numbers in scientific Notation?
*April 4, 2009*

**math**

simplify 7{[5(b-4+16]-[3(4b-3)+4]}=
*October 23, 2008*

**Science**

How much Nitrogen Oxide is given off to make electricity from natural gas and coal?
*January 4, 2008*

**math**

thank you Ms.Sue
*October 17, 2007*

**math**

58 5+8=13 is this right
*October 17, 2007*

**math**

56,57
*October 17, 2007*

**math**

It is less than 60 and greater than 55. If you add the digits, the sum is 13. Write the number?
*October 17, 2007*

**writing assignment**

The White House Statue Of Liberty
*October 17, 2007*

**math**

i am not sure
*October 17, 2007*

**math**

It is greater than 7 tens and less than 8 tens. The number has 4 ones. Write the number word.
*October 17, 2007*

**math**

forty-seven
*October 17, 2007*

**math**

it is greater than 43 and less than 52. if you add the digits, the sum is 8. write the number word.
*October 17, 2007*

**math**

It is greater than 30 and less than 40. If you add the digits, the sum is 10. What is the number word.
*October 17, 2007*

**Electrochem**

I'm wondering the exact problem! I don't do how to write the balanced equation..
*May 13, 2007*

**Math**

Consider the following where s is in feet and t is in seconds. s(t) = t^3 + 4t^2 + 6t + 4 (a) Find v(t). v(t) = (b) Find a(t). a(t) = (c) Find v(3). (d) Find a(3). v(t) is the first derivative of s(t). a(t) is the second derivative of s(t). I will be happy to critique your ...
*February 20, 2007*

**history**

What is the name of Dick Cheney's Mansion in St. Micheals off the Chesepeake Bay? Thank you http://www.google.com/search?q=dick+cheney+mansion+chesapeake&start=0&ie=utf-8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-US:official Here are several websites that may answer ...
*October 4, 2006*

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