Sodium cyanide and carbon monoxide can be prepared from reacting solid sodium carbonate, solid elemental carbon and pure nitrogen gas. When 10.0 grams of carbon were reacted with excess sodium carbonate and nitrogen, the percent yield of sodium cyanide was 67.0%. What was the actu

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Which element below could be and isotope of this atom

Which of these describes the rate of this chemical reaction? h2 + cl2 → 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time