Total # Posts: 10
Can some help me revise this sentence to eliminate jargon and use short familiar words? I just need to see how one is done so I can complete the rest of the questions myself. With regard to the aforementioned letter of July the 15th we expect to expedite your order to ship no ...
January 18, 2015
When the Sun ends up as a white dwarf, billions of years from now, it will contain about 40 percent of its present-day mass and have the same radius as Earth. What will be its density? How many times more dense is that than the present-day Sun?
March 28, 2012
Assume that right now the Moon is full, Mercury is at superior conjunction, Venus is at greatest western elongation, and Mars is at opposition. Draw a simple sketch of the solar system, showing the relative positions of the Sun, Earth, the Moon, Mercury, Venus and Mars. Draw ...
February 2, 2012
Two angles of a quadrilateral measure 210° and 100°. The other two angles are in a ratio of 2:3. What are the measures of those two angles? I know the four angles add to 360 deg. So the two unknowns are 50 deg together. 20 and 30 deg angles would give a ratio of 2:3, ...
April 21, 2011
If a gaseous mixture is made of 2.41 g of He and 2.79 g of Ne in a evacuated 1.04-L container at 25 degrees Celcius, what will be the partial pressure of each gas and the total pressure in the container?
April 14, 2010