Chemistry, 06.09.2019 00:30 juliaduenkelsbu
The name "penicillin" is used for several closely-related antibiotics. a 1.2177 g sample of one of these compounds is burned, producing 0.4503 g of so2, 2.1654 g of co2, 0.6965 g of h2o, and 0.2109 g of no. determine the empirical formula of this compound.
Answers: 3
Chemistry, 21.06.2019 22:30
Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?
Answers: 1
Chemistry, 22.06.2019 01:30
Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%
Answers: 3
Chemistry, 22.06.2019 08:30
The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
Answers: 1
The name "penicillin" is used for several closely-related antibiotics. a 1.2177 g sample of one of t...
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