2NaHCO3(s) + 129kJ → Na2CO3(s) + H2(g) + CO2(g)
This equation indicates that ΔH is and energy must be to complete the reaction.

A) positive; added
B) negative; added
C) positive; released
D) negative; released

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

How many moles are in 123.0 grams of kclo4?