Two identically charged spheres carry 1 C of charge each, and are 8 m apart. With what force will they repel each other? Recall that Coulomb's Constant is 9.0x109 N*m2/C2.

If an element has 7 valence electrons, how many dots will be in the elements dot diagram

Which are the best examples of how technology can be used in contemporary entrepreneurship?

State how much energy is transferred in each of the following cases: 2 grams of steam at 100 degrees Celsius condenses to water at 100 degrees Celsius. 2 grams of boiling water at 100 degrees Celsius cools to ice water at 0 degrees Celsius.

True or false: Elements in the same group/family react in similar ways.

A tectonic plate near Niihau, an island in Hawaii, grows at an average rate of 11 cm/year. If the rate of plate expansion doubles, how many more centimeters will the plate grow in 3 years, compared to the present rate?

Which element in period 3 on the periodic table is a metallioid

Your 300 mL cup of coffee is too hot to drink when served at 87.0 degrees Celsius. What is the mass of the ice cube, taken from a - 15.0 degrees Celsius freezer, that will cool your coffee to a pleasant 65 degrees Celsius?

How can the same material bend in one situation but break in another

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.