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The solubility product of calcium sulfate is approximately as follows under the temperature conditions in question:[Ca2+ ] x [SO42- ] = 2.5 x 10–5(mole/liter)2You also have been given the following... more

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Chemical Engineering Pharmacology Pharmacy

06/12/18

is dibromomethane used in the pharma industry?

is dibromomethane used directly or indirectly in the pharma industries? If yes then please give an example

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Chemical Engineering Chemistry Linear Algebra Matrix

06/01/18

I have to compute the atomic weight of nitrogen and oxygen (with matrix operations)

Nitrogen and oxygen have atomic weights of 14 and 16 respectively. Use the molecular weights of the six nitrogen oxides given below to compute the atomic weights for nitrogen and oxygen, correct... more

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Chemical Engineering

02/28/18

HNO3+Ca(OH)2= Ca(NO3)2+H2O

I would like it answered and explained (step by step explaining) it’s a grade 7 too 9 question at GCSEs however I’m only in year 9 I would just like to know if I have done it right

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Chemical Engineering

09/11/17

An air stream contains 3 mol % water and flows into a column with calcium chloride pellets. The pellets absorb 95% of the inlet water and nothing else. The pell

I need help with this question

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Chemical Engineering Science Chemistry Physics

07/21/17

Solve chemical reaction for temperature of exothermic reaction (thermite)

Hi there, I I have a question about Physics/ chemistry.If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what would... more

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Chemical Engineering Chemistry Physics Thermodynamics

05/13/17

Thermodynamics problem regarding fugacity and fugacity coefficient.

Hey, I'm at my wit's end when it comes to thermodynamics. Apparently, I was given this little assignment from my lecturer to solve it at home. I need help in solving this, really x_xA binary... more

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Chemical Engineering Numerical Integration

04/12/17

n=6 which rule is the best to use simpson 1/3 or 3/8

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Chemical Engineering Organic Chemistry

07/03/16

calorific value and chemical formula

i got the composition of a biodiesel from CHNS analyser isC-76.61%, H-12.34% , N- 1.33%, O-9.72% (Oxygen by mass balance from CHNS). (i think the results are of in %volume).Sample weight - 2.69mg.... more

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