Write the equation for the burning of butane (C4H10) in the presence of oxygen, to produce carbon dioxide and water vapor:

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

The clouds are grey and ground is wet. a quantitative b qualitative

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick