. Balance the following reactions:H2SO4(aq)Sr(OH)2(aq)H20 (1)+->SrSO.(s)P4010 (s)H20 (I)->+H3PO4 (aq)AICI3 (aq)H2SO4 (aq)+->Al2(SOA)3 (aq)HCI (aq)+_C-H1402(g) +O2 (g)CO2 (g)->H20 (g)

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Answered: . Balance the following reactions:…

Chemistry

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Chapter18: Electrochemistry

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Problem 29Q: When jump-starting a car with a dead battery, the ground jumper should be attached to a remote part...

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Magnesium metal (a component of alloys used in aircraft and a reducing agent used in the production of uranium, titanium, and other active metals) is isolated from sea water by the following sequence of reactions: Mg2+(aq)+Ca(OH)2(aq)Mg(OH)2(s)+Ca2+(aq)Mg(OH)2(s)+2HCl(aq)MgCl2(s)+2H2O(l)MgCl2(l)electrolysisMg(s)+Cl2+Cl2(g) Sea water has a density of 1.026 g/cm3 and contains 1272 parts per million of magnesium a5 Mg2+(aq) by mass. What mass, in kilograms, of Ca(OH)2; is required to precipitate 99.9% of the magnesium in 1.00103 L of sea water?
A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric acid, and metastannic acid, H2SnO3, is precipitated. She heats the precipitate to drive off the water, which leaves 0.4909 g of tin(IV) oxide. What was the percentage of [in in the original sample?
The Bayer process is the formation of aluminum hydroxide from metallic aluminum and sodium hydroxide heated to high temperatures. Al(s)+ 3NaOH(aq) -->Al(OH)3(s) + 3Na A manufacturing chemist observes that two distinctly different solids are present in the solutions after the reaction has come to completion. The chemist collected the following data: data table From the above information, identify the limiting and excess reagent, the supporting evidence, and suggest a method to increase the amount of product produced.
To determine , by gravimetric analysis, the concentration of barium ions (Ba2+) in a given solution, 25.00cm3 of it are pipetted into a beaker and an excess of dilute sulphuric acid is added to it. The precipitate then obtained (BaSO4) is filtered, dried and weighed. The mass of the precipitate is found to be 1.167g Calculate the concentration of barium ions in the solution? (only 2 decimal places). _________Mol/L
In the common process for the manufacture of nitric acid, sodium nitrate is treated with aq. sulphuric acid containing 95% H2SO4. In order that the resulting "niter cake" may be fluid; it is desirable to use sufficient acid so that there will be 34% H2SO4 by wt in the final cake. This excess H2SO4 will actually be in combination with the Na2SO4 in the cake, forming NaHSO4, although for purposes of computation it may be assumed to be free acid. The cake will contain 1.5% water and the reaction will go to completion, but 2% of the HNO3 formed will remain in the cake. Assume that the NaNO3 used is dry and pure. Calculate per 100 kg of NaNO3 charged: (a) wt and % composition of the niter cake (b) wt of aqueous acid to be used (c) wt of water vapor and nitric acid distilled from the niter cake.
In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.6 grams of monohydrated Sodium carbonate (MW = 124.01 g/mol) dissolved in 80 mL water was made to react with 43 g of Potassium bitartrate (MW = 188.10 g/mol). What is the amount of Rochelle salt obtained from Potassium bitartrate? Rochelle's Salt:2 KHC4H4O6 + Na2CO3.H2O + 6 H2O -> 2 KNaC4H4O6.4H2O + CO2 ↑ a 37.59 g b 48.12 g c 64.66 g d 33.78 g
please help me The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitatedwith aqueous ammonia as the hydrous Al2O3 · XH2O. The precipitate was filtered and ignitedat 100°C to give anhydrous Al2O3, which weighed 0.2001 g. Express the result of this analysisin terms of % Al.
balance the following unbalanced chemical equation showing the hydrolysis of water. use 1 for a coefficient of one even though typically no number is written _______ H2O --> _______ H2+ ______ O2
In the standardization of HCl using pure anhydrous sodium carbonate as the primarystandard for methyl orange as an indicator, 1.0 mL HCl was found to be equivalent to 0.05gof sodium carbonate (MW =106). The normality of HCl is:
In the lime soda process once used in large scale municipalwater softening, calcium hydroxide prepared from limeand sodium carbonate are added to precipitate Ca2+ asCaCO3 (s) and Mg2+ as Mg(OH)2 (s): Ca2+(aq) + CO32-(aq)---->CaCO3(s)Mg2+(aq) + 2 OH-(aq)----->MgOH2 (aq)How many moles of Ca(OH)2 and Na2CO3 should be addedto soften (remove the Ca2+ and Mg2+) 1200 L of water in which[Ca2+] = 5.0 x 10-4 M and[Mg2+] = 7.0 x 10-4 M?
An analyst is planning to standardize a 0.200 mol/L NaOH solution for use in neutralization. For this, he chose to standardize the NaOH solution using potassium hydrogen phthalate. (KHC8O4H4, molecular mass 204.22 g mol/L) - Knowing that potassium hydrogen phthalate is a solid, what is the mass of potassium hydrogen phthalate in grams, the analyst should weigh to standardize the NaOH, anticipating spending 15 mL of NaOH solution approximately 0.200 mol/L ? [Answer; m=0.6123 g] NaOH + KHC8O4H4 → KNaC8O4H4 + H2O(Neutralization reaction in standardization) - Why you need to standardize the NaOH solution and why use potassium hydrogen phthalate?
Complete and balance ---Fe(s)+---O2(g)---> ---Cu(s)+---H2SO4(aq)---> ---Rb2O(s)+---H2O(l)--->

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. Balance the following reactions: H2SO4(aq) Sr(OH)2(aq) H20 (I) + -> + SrSO.(s) P4010 (s) H20 (1) -> H3PO4 (aq) + AICI3 (aq) H2SO4 (aq) + -> Al2(SOA)3 (aq) HCI (aq) + _C-H1402(g) + O2 (g) CO2 (g) + -> H20 (g)