4. Limestone containing 87% CaCO3, 6% MgCO3, 3% hematite, 2% silica andremaining water is calcined in hot water to vaporize the water and separate CO2 fromthe carbonates. The CaO and MgO created by the reaction leave in the solid calcine,along with hematite and silica. How many kilograms of calcine will be produced perton of limestone?

To calculate the amount of calcine produced per ton of limestone, we first need to determine the…

Answered: 4. Limestone containing 87% CaCO3, 6%…

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.84PAE

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Iodine can be prepared by allowing an aqueous solution of hydrogen iodide to react with manganese dioxide, MnO2. The reaction is 2I(aq)+4H+(aq)+MnO2(s)Mn2+(aq)+2H2O+I2(s) If an excess of hydrogen iodide is added to 0.200 g of MnO2, how many grams of iodine are obtained, assuming 100% yield?
What volume of 0.250 M H2SO4 solution is required to neutralize a solution that contains 5.00 g of CaCO3?
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A mixture of xenon and fluorine was heated. A sample of the white solid that formed reacted with hydrogen to yield 81 mL of xenon (at STP) and hydrogen fluoride, which was collected in water, giving a solution of hydrofluoric acid. The hydrofluoric acid solution was titrated, and 68.43 mL of 0.3172 M sodium hydroxide was required to reach the equivalence point. Determine the empirical formula for the white solid and write balanced chemical equations for the reactions involving xenon.
Hypochlorous acid (HCIO) is a weak acid. The conjugate base of this acid is the hypochlorite ion (CIO). Wrtie a balanced equation showing the reaction of HCIO with water. Include phase symbols. balanced equation: Write a balanced equation showing the reaction of CIO with water. Include phase symbols. balanced equation:
6. Some sulfuric acid is spilledon a lab bench. You can neutralizethe acid by sprinkling sodiumbicarbonate on it and then moppingup the resultant solution. The sodiumbicarbonate reacts with sulfuric acidas follows:2 NaHCO3(s) + H2SO4(aq)Na2SO4(aq) + 2H2O(l) + 2CO2(g)Sodium bicarbonate is added until thefizzing due to the formation of CO2(g)stops. If 27 mL of 6.0 M H2SO4 wasspilled, what is the minimum mass ofNaHCO3 that must be added to thespill to neutralize the acid?

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