ở nhiệt độ xác định, phản ứng N2k + O2k <=> 2NO(k) có hằng số cân bằng Kc là 4.10-3. Tính số mol NO ở trạng thái cân bằng nếu trong bình kín có 1 mol N2 và 1,5mol O2

May someone me with these science questions

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth