You are holding a rock tied to a string, which is an example of a pendulum. Identify and explain the proper term for each part of the pendulum in this example.

Lithium (atomic number - 3), Sodium (atomic number - 11) and Potassium (atomic number - 19) are in the same group in the periodic table with valence electron 1, but potassium seems to be more reactive than sodium and lithium. Why?

The flow of energy through living systems can be modeled as food chains, food webs, or energy pyramids. The energy organisms need to live and grow first enters the ecosystem when which of the following occurs? A.

What kind of data would you need to collect to do this experiment?

For the reaction 2 nh3 + ch3oh → products, how much ch3oh is needed to react with 93.5 g of nh3? 1. 1.31 mol 2. 46.8 mol 3. 2.75 mol 4. 11.3 mol 5. 3.32 mol 6. 88.1 mol 7. 5.50 mol

How many grams of water can be made from 10.5 grams of butane

The vapor pressure of benzene (C6H6) is 73.0 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 179 g of benzene and 0.217 mol of a nonvolatile nonelectrolyte?

Aldo drove 420 miles using 18 gallons of gas. at this rate, how many gallons of gas would he need to drive 357 miles

How many grams of As2S3 are in 3.25 moles?

How does a solid turn into a liquid

What does the Ka represent in the equation and why is it important?