Select the correct answer.

Haley rubs a cotton cloth along a plastic strip. The plastic strip becomes positively charged. Why did this happen?

How water leaves the atmosphere

If a kite is stuck in a tree does it have potential energy or Kinetic Energy

An aqueous solution of a soluble compound (a nonelectrolyte) is prepared by dissolving 33.2 g of the compound in sufficient water to form 250 ml of solution. the solution has an osmotic pressure of 1.2 atm at 25 °c.

What is the ablility of one substance to dissolve intoamother substance?

How do i know how many covalent bonds are made by each atom?

The density of water is 1.0 g/cm3 will rubbing alcohol float with a density of 0.81 g/cm3

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration

Select the lon. O NO₂ H2SO4 O A3

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.