How many total atoms are in 2NaCl?

3

5

2

4

The four terrestrial planets are so called because they?

Dimension formula of under root LC

What are some of the benefits of learned optimism that have been found in research? O A. Fewer health problems O O B. All of these C. Making more money O D. A lower divorce rate

Rebecca is learning to play cello and is highly motivated. She is confident that she can learn cello easily and with great ability because she already knows how to play violin.

Waves interact with

Carbon and oxygen, both nonmetals, bond to form a compound. What is the name of the carbon compound with one carbon and two oxygens? A) carbon oxide B) carbon dioxide C) carbon dioxygen D) monocarbon dioxide

Salt water has greater density than fresh water. A boat floats in both fresh water and in salt 12) water. Where is the buoyant force greater on the boat?

A 1000-kg space probe is motionless in space. to start moving, its main engine is fired for 5 s during which time it ejects exhaust gases at 5000 m/s. at the end of this process it is moving at 20 m/s. the approximate mass of the ejected gas is:

In the fishbowl, the glass, water, rocks, and plastic plants are in thermal equilibrium. This situation means the temperature of the rocks is? F. If the water is 75 degrees

An archer shoots an arrow at a 75.0 m distant target; the bullâs-eye of the target is at same height as the release height of the arrow. (a) at what angle must the arrow be released to hit the bullâs-eye if its initial speed is 35.