Which reaction occurs spontaneously?

(1) Cl2 (g) + 2NaBr (aq) - - >Br2 (l) + 2NaCl (aq)

(2) Cl2 (g) + 2NaF (aq) - - > F2 (g) + 2NaCl (aq)

(3) I2 (s) + 2NaBr (aq) - - > Br2 (l) + 2NaI (aq)

(4) I2 (s) + 2NaF (aq) - - > F2 (g) + 2NaI (aq)

consider the reaction between calcium oxide and carbon dioxide: cao (s) + co 2 (g) → caco 3 (s) a chemist allows 14.4 g of cao and 13.8 g of co 2 to react. when the reaction is finished, the chemist collects 19.4 g of caco 3.

If the mass of a liquid is 60 g and the volume is measured at 15 ML, what is the density?

The Group 1B metals, Cu, Ag, and Au, are called coinage metals. What chemical properties make them especially suitable for making coins and jewelry?

Calcium fluoride (CaF2) has a solubility constant of 3.45 x 10-11 . What is the molar solubility of CaF2 in water? 4.15 x 10-6 M 5.87 x 10-6 M 2.05 x 10-4 M 3.26 x 10-4 M

Identify the products and reactants involved and the type of chemical reaction shown below. SO3 (g) + H2O (l) → H2SO4 (aq)

What is the difference between a root word and a combining form? List 2 examples of combining form

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction