Total # Posts: 115
A 12.48g sample of an unknown metal, heated to 99'c was then plunged into 50mL of 25'c water. The temperature of the water rose to 28.1'c. The specific heat of water is 4.184J/g. 1. How many joules of energy did the water absorb? 2. How many joules of energy did ...
November 23, 2008
with earths mass 6 x 10^24 kg and radius6.38 x 10^6, how does the inverse-square law show that in space shuttle territory, 200 km above earths surface, the force of gravity is about 94% that at Earths surface
November 14, 2008
what would make you weigh less inside of the empire state building on the ground floor, oppose to outside on the sidewalk. (weighing on a regular bathroom scale)The mass of the building? If so how does that work?
November 9, 2008
If an author is skillful at representing the point of view and attitudes of a hobo, a nurse, a corporate CEO, and a variety of other diverse characters, the author is demonstrating
February 20, 2008
Suppose major officeholders from one particular party are not performing well, and this party is not monitoring these officeholders. In what ways could this situation affect the party as a whole? In the United States, the popularity of the poorly performing officeholders and ...
May 13, 2007
What are some reasons why the President was given almost unlimited military powers? What are some possible positive and negative effects resulting from the scope of the President's military power? The effective conduct of a war requires a strict obediance of a chain of ...
May 13, 2007
which has the most acid coke or vinegar I don't have any numbers to support my thinking but I know MOST brands of vinegar are 5% acetic acid (although I saw one recently at 4%). I think coke is about 0.05 M but I don't KNOW that. In addition, k1 for H2CO3 is much less ...
November 12, 2006