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Chemistry, 21.06.2019 13:30
One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g
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Chemistry, 22.06.2019 11:40
Enzymes affect the reactions in living cells by changing the
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Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
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Chemistry, 23.06.2019 07:10
1) a light bulb takes in 30 of energy per second. it transfers 3j as use energy. calculate the efficiency. second. it transfers 3j as useful light energy and 27j as heat energy. calculate the efficiency
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Mathematics, 21.10.2021 05:50
Mathematics, 21.10.2021 05:50
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English, 21.10.2021 05:50
History, 21.10.2021 05:50
English, 21.10.2021 05:50
Mathematics, 21.10.2021 05:50
History, 21.10.2021 05:50
Mathematics, 21.10.2021 05:50
English, 21.10.2021 05:50