Lead can be extracted from a mineral call galena(PbS). An ore contains 3.4% galena by mass. How many kg of ore is neede...
Lead can
be extracted from a mineral call galena(PbS). An ore contains 3.4%
galena by mass. How many kg of ore is needed if you want to extract
100. grams of lead?
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Lead can be extracted from a mineral call galena(PbS). An ore contains 3.4% galena by mass. How many kg of ore is neede...
Lead metal can be extracted from a mineral called galena, which contains 86.6%% lead by mass....
Lead metal can be extracted from a mineral called galena, which contains 86.6%% lead by mass. A particular ore contains 68.5%% galena by mass. Part A If the lead can be extracted with 92.5%% efficiency, what mass of ore is required to make a lead sphere with a 7.00 cmcm radius? Express your answer with the appropriate units.
Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass....
Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. A particular ore contains 68.5% galena by mass. Part A If the lead can be extracted with 92.5% efficiency, what mass of ore is required to make a lead sphere with a 5.00 cm radius? Express your answer with the appropriate units.
A major source of boron is the mineral kernite, Na2[B4O5(OH)4]⋅3H2O. Calculate how many grams of boron...
A major source of boron is the mineral kernite, Na2[B4O5(OH)4]⋅3H2O. Calculate how many grams of boron can be produced from 1600 kg of a kernite-bearing ore if the ore contains 0.98% kernite by mass and the process has a 70% yield.
1) production of lead from the ore galena,pbs, involoves several steps. In the first step's overall...
1) production of lead from the ore galena,pbs, involoves several
steps. In the first step's overall reaction, Pbs is oxidized to PbO
and SO2 by (O2)i.e.,
2PbS + 3O2 --> 2PbO + 2SO2
a)Which element is oxidized?
b)Which element is reduced?
(c) Write the balanced
equations for the oxidation and reduction half reactions?
Must show all the steps used
Use H+ to balance the
charge
Oxidation:
Reduction:
(d) Use these two half reactions to generate a balanced equation
for the...
Pure titanium metal can be extracted from Ti02 which is found as and ore in the...
Pure titanium metal can be extracted from Ti02 which is found as and ore in the Earth's crust. How many kg of pure titanium can be recovered from 200.0 pounds of this ore?(1lb=454g)
1. A certain ore is 24.6% nickel by mass. How many kilograms of this ore would...
1. A certain ore is 24.6% nickel by mass. How many kilograms of this ore would you need to dig up to have 15.0 g of nickel? 2. How many grams of salt are needed to make 613 g of saltwater that is 31.5% salt by mass?
Iron is extracted from iron ore (aka iron(III) oxide) by reacting it with carbon monoxide. Carbon...
Iron is extracted from iron ore (aka iron(III) oxide) by reacting it with carbon monoxide. Carbon dioxide is a by-product of this reaction. Suppose you are involved in the design of a steel plant and are concerned about its environmental impact. You need to know not only the amount of iron you can extract from the ore supplied, but also the amount of carbon dioxide released into the atmosphere during the production. What mass of carbon dioxide (in kg) will...
7. How many grams of pure uranium can theoretically be extracted from a 10.0 kg sample of pitchblende, which is 92....
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How many grams of lead metal will be deposited from a solution that contains Pb2+ ions...
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How many grams of lead metal will be deposited from a solution that contains Pb2+ions if a current of 0.593 A is applied...
How many grams of lead metal will be deposited from a solution that contains Pb2+ions if a current of 0.593 A is applied for 28.1 minutes.
1) production of lead from the ore galena,pbs, involoves several
steps. In the first step's overall reaction, Pbs is oxidized to PbO
and SO2 by (O2)i.e.,
2PbS + 3O2 --> 2PbO + 2SO2
a)Which element is oxidized?
b)Which element is reduced?
(c) Write the balanced
equations for the oxidation and reduction half reactions?
Must show all the steps used
Use H+ to balance the
charge
Oxidation:
Reduction:
(d) Use these two half reactions to generate a balanced equation
for the...
7. How many grams of pure uranium can theoretically be extracted from a 10.0 kg sample of pitchblende, which is 92.0% UO?
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