Thursday
June 20, 2013

# Posts by april

Total # Posts: 479

the world of brief history
according to the text, the development of agriculture could have ben a result of all the following except

the world of brief history
according to the text, the development of agriculture could have ben a result of all the following except

Mat0099
Solve using the addition principle. 5=x+4

CRITICAL THINKING
How would you explain the relationship between clear writing and critical thinking? Can you think of times when your ability to think critically was influenced by the writing? What was the result?

Science
Considering the amount of energy required to produce animal-based foods and goods, should humans change their habits so they consume products closer to the bottom of the food chain because it is more efficient?

CHEM
g of alchol present in 2.45l of 75 proof gin density of ethonal is 0.798 g/ml =

physics....
1) In one scene of the movie Raiders of the Lost Ark, Indiana Jones is running along the top of a moving train. He is running at a speed of 10 km/h, relative to the train. The train is moving at a speed of 100 km/h, relative to the ground. Draw a rough sketch of this scene. Sh...

CHEM:
caluclate the volume in mL of 1.74 grams of sodium chloride from a 0.270 M solution 1.74g sodium chloride from a 0.270 M solution 7.10g ethonal from a 2.45 M solution 6.90g acetic acid (CH3COOH) from 0.606 M solution

chemistry:)
The bond enthalpy of the Br–Cl bond is equal to DH° for the reaction BrCl(g)-> Br(g) + Cl(g). Use the following data to find the bond enthalpy of the Br–Cl bond. Br2(l)--->Br2(g) ÄH=30.91 KJ/mol Br2(g)--->2Br2(g) ÄH=192.9 KJ/mol Cl2(g)---->2...

chemistry
In one process of 5.75 kg of CaF2 are treated with an excess of H2SO4 and yield 2.85 kg of Hf calculate the percent yield of hf?

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