The device that creates a potential difference in an electric circuit is a (n) ?

A. Insulator

B. Voltage source

C. Conductor

D. Circuit

What is the chemical formula for ammonium carbonate?

What are the two driving forces behind chemical reactions?

In a chemical reaction where does the energy gets stored

The oxygen and hydrogen atoms have the same electronegativity. the hydrogen atom attracts electrons much more strongly than the oxygen atom. water has two hydrogen atoms covalently bonded to a single oxygen atom.

What activity is considered a proper laboratory technique chem?

The temperature of 15 grams of water increases by 3.0 degress. how much heat was absorbed by water?

What are the four types of stoichiometry problems?

100 ml oxygen at 1.75 atm and 200ml nitrogen at 0.6 atm are passed to a 500 ml vessel. Calculate the total pressure of the mixture in the vessel at same temperature

Which is the best metal to use in an alloy to increase its electrical conductivity

Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor. a. True b. False