Chemistry, 12.03.2020 06:17 leopard7982
2. How many liters of O2 are needed to react completely with 475.0 L of H2S at STP? (3 pts.)
2H2S(g) + 3O2 (g) → 2SO2 (g) + 2H2O(g)
Answers: 3
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
Chemistry, 22.06.2019 18:00
The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.
Answers: 1
Chemistry, 22.06.2019 22:00
How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?
Answers: 3
2. How many liters of O2 are needed to react completely with 475.0 L of H2S at STP? (3 pts.)
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