What is needed in all chemical reactions in cells

According to the periodic table, carbon has an atomic mass of 12.011 u. This indicates that the most abundant isotope of carbon is carbon-11. carbon-12. carbon-13. carbon-14.

Given the thermochemical equation for photosynthesis, 6h2o (l) + 6co2 (g) → c6h12o6 (s) + 6o2 (g) δh = + 2803 kj/mol calculate the solar energy required to produce 5743 g of c6h12o6.

Consider the following reactions. (Note: (s) = solid, () = liquid, and (g) = gas.) V2H2 (g) + 1212 (9) - HI (g), AH = + 6.2 kcal/mole 21.

How is the mass of an object measured?

Solids in which the atoms have no particular order or pattern are called what solids

8. A text book has a mass of 22 lbs, The book is 8 inches by 15 inches by 11.77 inches. What is the density of the textbook using the values given? FLES $125.00

What is diffusion and how does it work

Calcium hydroxide and hydrochloric acid react to form calcium chloride and water as shown in the chemical reaction.

1 calorie is equal to A. 4.184 J B. 1,000 J C. 6.02x10^23 J D. 8.314 J

Which of the following reactant pairs will not react together to produce a reaction?