For the following metal and non-metal combination reaction you have 3 moles of Na. How many moles of Cl2 would you need to add to have stoichiometrically equivalent amounts of NA and Cl2?

2Na (s) + Cl2 (g) - - > 2NaCl (s)

When atoms are touching, how is that communicated in the code?

A chemical reaction in which two elements or radicals change places with two other elements or radicals is a _ reaction

The word weather is most commonly used to refer to the state of the atmosphere at a certain time. Why do you think the same word is used to refer to the breakdown of rocks?

What is it called when Earth's magnetic poles change places?

A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume? Solution A: 1.31% (m/v) starch Solution B: 7.48% (m/v) starch 2. A semipermeable membrane is placed between the following solutions.

Extend E1 Explain why the arrangement, movement and energy of particles change during changes of state.

What is in a banana? give me specifics?!

Addition of an excess of lead (II) nitrate to a 50.0mL solution of magnesium chloride caused a formation of 7.35g of lead (II) chloride precipitate. What was the molar concentration of chloride ions in the solution (in mol/L) ?

2.70 L of a gas has a pressure of 0.63 atm. What is the volume of the gas at 105 kPa?

Which statements describe Rutherford's model of the atom? Select all that apply.