The combustion of 14 grams of co according to the reaction co(g) + ½o2(g) co2(g) + 67.6 kcal gives off how much heat?

remember to use significant digit rules.

6,716 kcal
1,514 kcal
34 kcal
135 kcal
none of the above

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.