Chemistry, 03.07.2019 21:20 delanieloya
When 1.6968 g of an organic iron compound containing fe, c, h, and o was burned in o2, 3.1737 g of co2 and 0.90829 g of h2o were produced. in a separate experiment to determine the mass percent of iron, 0.5446 g of the compound yielded 0.1230 g of fe2o3. what is the empirical formula of the compound?
Answers: 2
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If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms
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Chemistry, 22.06.2019 06:30, jonloya264
If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
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This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
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Chemistry, 22.06.2019 16:50, brandiwingard
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
Answers: 2
When 1.6968 g of an organic iron compound containing fe, c, h, and o was burned in o2, 3.1737 g of c...
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