B. How many moles of silver nitrate (AgNO3) are needed to produce 6.75 moles of copper (II) nitrate (Cu(NO3)2)? Show your work below:

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?