Tuesday
May 21, 2013

Posts by Simone


Total # Posts: 53

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You have spent a very long time training your dog to open the refrigerator and bring you a drink when you ask him to. Since your pet can’t read, his selection of the specific type of beverage he brings is completely random – although you notice that, for reasons bey...

Chemistry
sodium hydrogen carbonate was added so the benzoic acid would dissolve hence leaving the acetanilide and dichloroethane. the benzoic acid and the sodium hydrogen bicarbonate was separated buy adding hydrocholoric acid and then using a suction funnel therefore leaving the "...

Chemistry
Separating a mixture of benzoic acid, acetanilide in dichloromethane An over zealous student decided to conduct this experiment by distilling all the dicholoromethane at the very beginning and then separating the solid residue of benzoic acid and acetanilide by rechrystallizat...

statistics
The latest in the "You may be a redneck if . . . " genre has produced a simple questionnaire. If more than 80% of the questions are answered in accordance with redneck"philosophy" (e.g., "You may be a redneck if grade 4 was the best 5 years of your lif...

algebra
How to solve problem step by step 0.08x+0.09x

Algebra
I'm not sure how to format this You are putting fence around a rectangular garden whose length is twice its width. What are the dimensions of the garden?

physics
On your wedding day your lover gives you a gold ring of mass 3.68 g. 54 years later its mass is 3.28 g. On the average how many atoms were abrated from the ring during each second of your marriage? The atomic mass of gold is 197 u.

physics
A tortoise can run with a speed of 11.5 cm/s, and a hare can run 21.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 126 seconds. The tortoise wins by a shell (18.3 cm). How long does the race take? What is the length of the race?

physics
A driver in a car traveling at a speed of 55.3 mi/h sees a deer 108 m away on the road. Calculate the minimum constant acceleration that is necessary for the car to stop without hitting the deer (assuming that the deer does not move in the meantime).

Quimica
Qual o cálculo para a preparação de uma solução de ácido clorídrico a 1%? normalmente o comercializado é (HCL P.A. 37%m/m, 1,18g/ml).

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