If the products of a reaction have a higher delta g than the reactants:

a.
the reaction will occur spontaneously

b.
the reaction will not occur spontaneously

c.
the reaction requires energy

d.
the reaction will release energy

e.
a and d are true

f.
b and c are true

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?