Which of the following apply to alkanes. Select all that apply.

They are hydrocarbons

They have single bonds

They have double bonds Petroleum and natural gas are most likely alkanes

They are saturated

Location A and B are adjacent. Location A is at a higher temperature than Location B. What will most likely happen? A. The two locations will experience different air pressures. B. The convection currents of air above the two locations will stop. C.

What is the periodic # for uranium?

Whitch of the following are physical changes? Rusting Souring Melting Boiling Freezing

The isotope sodium-20 has how many protons? Na 22.99 Sodium O A) 9 OB) 10 OC) 11 OD) 12

To cause liquid water that has condensed on a window to evaporate, what could you do?

Is distilled water ionically bonded

Explain why energy must be added to a solid to cause it to melt.

A room measures 15.0 ft in width and 12.0 ft in length. All of the walls are 9 ft high. If 1 gallon of paint will cover 374 ft^2 per coat of paint, how many gallons of paint would you need to purchase to paint the room with two coats of paint?

What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0.250 m solution?

Water has one of the largest specific heats of any substance why is this important