Thursday
December 12, 2013

# Posts by andrea

Total # Posts: 665

Gen Chem
ignition of mgnh4po4*6h2o produces nh3, h2o and magnesium pyrophosphate, Mg2P2O7. complete and balance the equation for this reaction. If 5.00 g of MgNH4PO4*6H2O are ignited, how many grams of Mg2P2O7 would be formed? 2MgNH4PO4*6H2O(g)--->

Gen Chem
I got the answer of 249.6 Is that correct? Thanks for your help!

Gen Chem
what is the formula weight for CuSO4 5H2O?

Gen Chem
epsom salts, household ammonia, and rubbing alcohol are also consumer chemicals that could be used in this experiment. what are the chemical formulas for these substances?

Gen Chem
For my chem class I have 3 elements and have to find what they are used for today or an interesting fact. I have looked but I can't really fin anything. My elements are: Cobalt,Thulium, and Roentgenium I found that cobalt is used in money (nickels, quarters, and dimes, but...

Chemistry
Balance the equation and write the reaction-quotient expression, Qc. U(s) + F2 (g) <----> UF6 (g)

Algebra
How do the solutions of the equation compare to the length of the rectangular object and the x-intercept of the graph? Provide both the solutions and measurement. x^3-10x^2+21x -108 = 0 Length: 9 inches Height: 6 inches Width: 2 inches

Algebra II
Can you make sure my Algebra II work is correct? I've done the problems. I just want to make sure I am right. 1. Write an equation of the line with a slope of 5 and a y-intercept of -3. y=5x-3 2. Write the equation of a line that passes through (9, 3) and has a slope of 2/...

Break-Even Analysis
Given: Jay Letterman has just (year: 2012) become product manager for Avenir. Avenir is a consumer product with a unit retail price of \$1.00. Retail margins on the product are 33%, while wholesalers take a 12% margin. Avenir and its direct competitors sell a total of 20 millio...

Finance
Given: Jay Letterman has just (year: 2012) become product manager for Avenir. Avenir is a consumer product with a unit retail price of \$1.00. Retail margins on the product are 33%, while wholesalers take a 12% margin. Avenir and its direct competitors sell a total of 20 millio...

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