Thursday
November 27, 2014

Posts by Sparkles


Total # Posts: 5

chemistry
What is the percentage yield of the reaction of 4.9 g isoamyl alcohol with 4.9 g of acetic acid if 3.5 g of isoamyl acetate product is obtained after distillation? Enter your answer, without a % symbol, to 2 sig. figs.
October 11, 2014

Physics - high School
2 Long vertical walls are separated by length l. A ramp is placed between the walls as shown below. A block is placed on the ramp and one end and slides without friction towards the other end. Find the ramp angle (theta) which results in the fastest trip from one end of the ...
November 4, 2011

Algebra
48% is almost 50%. 31 is almost 30. 50% of 30 is 15. the best estimate for 48% of 31 is 15.
February 2, 2011

Algebra
What is the best estimate for 48% of 31?
February 2, 2011

Algebra
Suppose a model of the space shuttle "Endeavour" is 10 inches tall. The actual height of the "Endeavour" is 100 feet. What is the scale of the model?
February 2, 2011

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