The measurement that is expressed to 3 significant figures would be C. 7.30 X 10^-7.
2/3 is the fraction of the carbon dioxide exhaled by all of the animals that is generated by the reactions of the citric acid cycle, if the gluscose is the sole energy source. So if the glucose is the energy source the fraction of the carbon dioxide is 2/3. The answer in this question is 2/3
Answer:
A. There is a temperature difference
Explation:
Whenever there is a temperature difference, heat transfer occurs. Heat transfer may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice chest.
<span>Answer: Correct answer is 507g FeCl2 x (1 mol FeCl2 / 126.8 g FeC2) x (1 mol Fe(OH)2 / 1 mol FeCl2) x (89.8 g Fe(OH)2/ 1 mol Fe(OH)2) = 359 g Fe(OH)2.</span>
D is the answer cause two h20 + o2(g)
