14. The carbonates of the Group 2 elements (Beryllium to barium) decompose according to the equation MCO; (s) → MO (s) + CO2(g). Which of the following combinations is correct
when descending Group 2?
Lattice energy of MCO,
A Increase
B Increase
C Decrease
D Decrease
Lattice energy of MO
Increase
Decrease
Increase
Decrease
Decomposition temperature of MCO,
Increase
Decrease
Increase
Increase

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5