What does the word giraffe comes from

What would happen to the size of a helium balloon as it moves higher into the atmosphere (pressure decreases with altitude) ? And why you would hear air rushing out from a bottle of non-carbonated water that has been sitting out on a hot day?

What are the fastest animal on earth.

Why cant flame color determine the identity of an ion

Write the balanced equation for the hydration of CuSO4. Indicate the physical states using the abbreviations (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) to indicate the aqueous phase.

The modern atomic model states that electrons move sort of like what?

True or false. The synthesis of giant molecules from components of repeating units is polymerization.

Which term names an environmental cost of fossil fuel consumption? A. cheap energy B. increased greenhouse gases C. renewable resource D. low pollution

Slowly heating butter in a pan until it changes from a solid to a liquid is an example of a physical change. True False

Action - reaction forces don't cancel each other. A. True B. False

An equilibrium is dynamic. True False