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Al(OH)4-(aq) → AlO2-(aq) + 2 H2O(l) What is the oxidizing agent? What is the reducing agent? What is the substance being oxidized?
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Why would the fact that red blood cells are malformed cause a problem with their ability to carry oxygen? How would this affect a person stricken with this disease?
What is the chemical name for S6O and what is the chemical name for S7O2?
Vinegar is an aqueous solution of acetic acid CH3OOH. A10 mL sample of a particular vinegar requires 31.45 mL of 0.2560 Mof KOH for its titration. What is the molarity of acetic acid in vinegar?
A chemist makes 260. mL of silver(II) oxide AgO working solution by adding distilled water to 50.0 mL of a 0.000205 M stock solution of silver(II) oxide in water. Calculate the concentration of the chemist's working solu ...
Why do the instructions call for using a saturated solution of NaOH rather than one at lower concentration? Why can we ignored in the calculation of the concentration of NaOH?
Consider the following reaction. A (g) + B (g) → C (g) + D (g) *In one experiment the concentration of A (g) was monitored in the presence of a large excess of B (g) ( [B] o = 0.750 M ) . Time (s) [A] (mol/L) 0.00 6.00 ...
A student takes 5.0mL of a stock FeSCN2+ solution and dilutes it with deionized water to a volume of 50mL. He then puts the solution in a Spectronic 20 instrument and determines the the % transmittance of the new solutio ...
A mixture consisting of powdered granite and sugar. Water is added and the mixture is stirred then filtered. What is presented on the filter paper? What is present in the filtrate(the liquid obtained in the filtration)? ...
A chemist adds 190.0 mL of a 2.8*10^-6 mol/L mercury(I) chloride (Hg2Cl2) solution to reaction flask. Calculate the micromoles of mercury(I) chloride the chemist has added to the flask. Round your answer to 2 significant ...
A 1.000 g sample of copper metal is heated in a crucible and after 15 minutes themass of the crucible contents is 1.111 g. Calculate the mass of copper (II) oxide that was produced.
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