write formulas for these
a) metallic potassium
b) sodium chloride dissolved in water
heat supplied to a chemical reaction
zinc chloride as a catalyst
carbon dioxide gas.
2 What is the purpose of a catalyst?
What can I say about these in a sentence?
2K+2h2O yields 2KOH+H2
NaOH+ HNO3 yields H20+ NaNO3
FeO+ C yields Fe+ CO
How is the law of conservation of matter related to the balancing of a chemical equation?