Carbon disulfide, , is a colorless, highly flammable liquid used in the manufacture of rayon and cellophane. A sample contains […]
Chemistry
A sample of metallic element X, weighing 4.315 g, combines with 0.4810 L of gas (at normal pressure and ) […]
A sample of metallic element X
Ammonia gas reacts with molecular oxygen gas to form nitrogen monoxide gas and liquid water. Write the complete balanced reaction […]
Ammonia gas reacts with molecular oxygen gas
A monatomic ion has a charge of +1. The nucleus of the ion has a mass number of 85. The […]
A monatomic ion has a charge of +1
Solid sodium metal reacts with water, giving a solution of sodium hydroxide and releasing hydrogen gas. Write a balanced equation […]
Solid sodium metal reacts with water
2 Aluminum metal reacts with bromine, a red-brown liquid with a noxious odor. The reaction is vigorous and produces aluminum bromide, […]
Aluminum metal reacts with bromine
Zinc metal reacts with yellow crystals of sulfur in a fiery reaction to produce a white powder of zinc sulfide. […]
Zinc metal reacts with yellow crystals of sulfur
Write the systematic name for each of the following molecules represented by a molecular model. Solution: a) Nitrogen trifluoride () […]
Write the systematic name for each
Write the molecular formula for each of the following compounds represented by molecular models. Solution: a) (Sulfuric acid) b) (Benzene) […]
Write the molecular formula for each
Nitric acid is composed of molecules. A sample weighing 4.50 g contains molecules. How many nitrogen atoms are in this […]
Nitric acid is composed of HNO3 molecules
Some iron wire weighing 5.6 g is placed in a beaker and covered with 15.0 g of dilute hydrochloric acid. […]
Some iron wire weighing 5.6 g is placed
A 15.9-g sample of sodium carbonate is added to a solution of acetic acid weighing 20.0 g. The two substances […]