Which one of the following substances produces ammonia gas when heated with ammonium chloride solution? a. Sodium oxide
b. Sulphur dioxide
c. Hydrochloric acid
d. Sodium hydroxide

Which position represents spring in the southern hemisphere? a) b) c) d)

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration