its not chemistry is science.

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh