Should i tell my parents i got C+ in chemistry or not ?

Asyringe contains 56.05 ml of gas at 315.1 k. what volume will that gas occupy if the temperature is increased to 380.5 k? a) 12.41 b) 46.42 c) 67.68 d) 81.74

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Which best describes why nh4+ can form an ionic bond with ci-?