Answer:
The correct answer is b. 1280 cm^2
Answer:
it make poisionus police come and took away
Ca(s)+2Hcl(aq) ------>CaCl2(s)+H2(g)
Answer: No
Explanation: <em>Reactants</em> are the substances present at the beginning of a chemical reaction. In the burning of natural gas, for example, methane (CH4) and oxygen (O2) are the reactants in the chemical reaction. <em>Products </em>are the substances formed by a chemical reaction. In the burning of natural gas, carbon dioxide (CO2) and water (H2O) are the products formed by the reaction.