1. How many moles of CO will be produced if 15 moles of Care reacted with an excess of Sio2? Sio2+ 3 C --> SIC + 2 CO

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

Which metal exist in liquid state and can be cut with knife ?

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?