Identify the precipitate (if any) that forms when KOH and Cu (NO3) 2 are mixed

K + H2O - -> KOH + H2 1. How many grams of KOH are produced if 224 g of H2O are used? 2. How many moles of K are used if 20 moles of H2O react? 3. How many grams of H2O are used if 3678 grams of H2 are produced?

How many grams of N2 are required to produce 100.0 L of NH3 at STP?

What is an example of a precipitation reaction and addition reaction?

What NaCl NaCl concentration results when 249 mL 249 mL of a 0.850 M 0.850 M NaCl NaCl solution is mixed with 667 mL 667 mL of a 0.420 M 0.420 M NaCl NaCl solution?

Which atom (Ba or I) would accept electrons from the other atom to satisfy the octet rule?

What factor determines wether an acid is strong or weak?

What is a solution that has the capacity to hold additional solute at a given temperature called? A. Unsaturated B. Saturated C. Supersaturated D. Oversaturated E. Undersaturated

Which type of reaction always has an element and a compound as reactants

A 5.63 g sample of solid gold is heated from 21.0 ºC to 32.0 ºC. How much energy (in J and cal) is required?

What term describes elements that contain the same number of valence electrons?