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Chemistry, 22.06.2019 02:00
In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al
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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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Chemistry, 23.06.2019 00:00
What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm
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How many atoms are in 5.2 moles of Na ?...
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