The energy change ∆h associated with the reaction nbr3(g) + 3 h2o(g) → 3 hobr(g) + nh3(g) is +81 kj. nbr3 is arranged with all of the bromines attached to the nitrogen and hobr is arranged as h o br. the o h bond is 459 kj the n h bond is 386 kj the o h bond is 459 kj the o br bond is 201 kj the strength of the n br bond is

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)