KNO3 + C (графит) = KNO2 + CO2 + Q Mg + HCl = MgCl2 + H2 + Q Ba + HCl = H2 + BaCl2 + Q

Question

KNO3 + C (графит) = KNO2 + CO2 + Q
Mg + HCl = MgCl2 + H2 + Q
Ba + HCl = H2 + BaCl2 + Q

Answer 1

2KNO3 + C(графит) = 2KNO2 + CO2 +Q
Mg + 2HCI = MgCI2 +H2+Q
Ba + 2HCI = BaCI2 + H2 +Q