How much electric energy does a 40 W light bulb use if it is left on for 12 hours?

Number of grams in four moles of BaCO3

Acid rain can cause health problems in people True Or False

What is the measure of how difficult it is for current to flow in a circuit? A voltage B. resistance Oc power D. energy

Explain the solid, liquid, and gas states in terms of volume, shape and movement of particles

How many dots should be shown in the Lewis dot diagram of carbon? 1 2 3 4

1. What hypothesis could you propose about the relationship between the position of a type of atom in a molecule and the number of bonds that the atom forms? Explain your thinking.

The molality of a solution is a measure of - A - moles of solute per kilogram of solution B - moles of solute per liter of solution C - moles of solute per kilogram of solvent D - moles of solute per liter of solvent

Which technology has allowed for exploration beyond our solar system? A) space probe B) space station C) space shuttle D) space observatory

Which carbonate is most stable to heat? A. Sodium carbonate B. Copper (ii) carbonate C. Zinc carbonate

How many liters of 0.75 M solution can be made using. 336 moles of lead (II) oxide?