Chemistry, 25.03.2021 22:50 keigleyhannah30
A student electrolysed some water. He collected 20 cm cubed of hydrogen. What volume of oxygen could he also have collected at the same time?
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Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
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Chemistry, 22.06.2019 21:30
Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
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Chemistry, 22.06.2019 23:00
What is the most common reason for matter changing its state?
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A student electrolysed some water. He collected 20 cm cubed of hydrogen. What volume of oxygen could...
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