Calculate the mass of potassium oxide formed
Calculate the mass of potassium oxide formed when the 3.40 g potassium react with excess oxygen when the potassium metal reacts with the oxygen gas to give potassium oxide.
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Determine what minimum mass of H2So4 (in g) would you require? What mass of H2 gas (in g) would be formed by the complete reaction of the aluminum block?
Calculate the rate of transfer of heat by conduction from the warm sheet (50 C) to the cold sheet (-10 C)? Determine the rate of loss of heat when the two sheets of copper of area 1.50 m2 are separated by10.0 cm.
Determine the volume of 0.5000M EDTA required to titrate the Ca2+ in a 0.5140g mineral specimen that is 81.4% brushite,CaHPO4*H2O (MW: 172.09 g/mol).
Calculate the mass of oxygen needed to react with the 1.60 g potassium when the potassium metal reacts with oxygen gas to give potassium oxide. Atomic masses in g mol-1 of K = 39.10 and O =16.00.
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In an experiment to study the relation between the time waiting in line, y (minutes), to get to the head of the checkout line at her favorite grocery store and the number of persons ahead in line, x, a student collected the following statistics:
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