What is true about energy? (2 points) energy cannot be created during an ordinary chemical reaction. energy is used up during an explosion. there is more energy after a chemical reaction than before the reaction. when water melts, energy is created in the form of heat.
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Chemistry, 22.06.2019 13:00
How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
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Chemistry, 22.06.2019 20:50
What is the vapor pressure of a solution with a benzene to octane?
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Chemistry, 22.06.2019 21:30
Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
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Chemistry, 23.06.2019 03:00
In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
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What is true about energy? (2 points) energy cannot be created during an ordinary chemical reaction...
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