1. Record your data table of temperature vs. volume here.
2. Construct a graph by hand or using a spreadsheet program, plotting the values of temperature on the x-axis and air volume on the y-axis.
Initial temp. 21 Deg C, Vol. 100mL
Ice -3 Deg C, Vol. 91.84mL
Water 100 deg. C, Vol. 126.87mL
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C. Why do astronomers infer that the Sun's energy comes from nuclear fusion reactions? How do we know it does not come from chemical burning?
d. Explain how the Sun produces energy by nuclear fusion.
e. When we look at stars in the sky we see a wide range of brightness. Explain the factors that READ MORE »
The University of South Wisconsin has had steady enrollments over the past five years. The school has its own bookstore, called University Book Store, but there are also three private bookstores in town: Bill's Book Store, College Book Store, and Battle's Book Store. The university is concerned a READ MORE »
Refer to the Wage Data that is in the attachment, which reports information on annual wages for a sample of 100 workers. Also included are variables relating to industry, years of education, and gender for each worker.
(a) Which of the 12 variables are qualitative and which are quantitative?
(b READ MORE »
F. Which is hotter, Mercury or Venus? Why?
h. Explain why there are two general families of planets, rocky terrestrial and gaseous jovian.
j. What knowledge do comets and asteroids provide to studies of the origin of the solar system?