in a Lewis structure what does a double line represent? A. A single covalent bond B. Two valence electrons C. Two atoms D. A double covalent bond

The minute hand of the clock shown below moves along the dashed, circular path. Each complete circle takes 1 hour. When the minute hand is on the 3, which direction is its acceleration in?

An object weighs 432 n on the surface of the earth. the earth has radius r. if the object is raised to a height of 3r above the earth's surface, what is its weight

Technician a says heat transfer is always hot to cold. technician b says high pressure always flows to low pressure. who is correct?

If nothing is impossible shouldnt it be possible for something to be impossible?

Which vertebrae are normally fused together to form a solid mass of bone? A. Sacral B. Thoracic C. Coccygeal D. Cervical

At a molecular level, does plasma have more or less energy than other states of matter?

A bobsledder pushes her sled across horizontal snow to get it going, then jumps in. After she jumps in, the sled gradually slows to a halt.

How can you predict the action of the element

How is the mass of a liquid substance affected after it freezes A) It increases. B) It decreases. C) It stays the same.

When a substance goes directly from a solid state to a gas state, as dry ice does, A. the line on the energy-vs.-temperature graph is horizontal. O B. it's called sublimation. I c. it's called deposition. O D. it's called fusion. E.