Complete and balance the equation for each of the following reactions:
a.
b.
c.
d.
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BASIC CHEMISTRY -W/ ACCESS >IB< F17
- Which of the following statements is not correct? (a) The ease of oxidation of the halide ions is F Cl Br I. (b) Fluorine is the most abundant halogen in the Earths crust. (c) F2 is prepared industrially by electrolysis of aqueous NaF. (d) HF is used to etch glass.arrow_forwardDetermine the oxidation state of sulfur in SF6, SO2F2, and KHS.arrow_forwardWrite a balanced equation for the reaction of elemental boron with each of the following (most of these reactions require high temperature): (a) F2. (b) O2. (C) S. (d) Se. (e) Br2arrow_forward
- Write balanced chemical equations for the following reactions: (a) cadmium burned in air. (b) elemental cadmium added to a solution of hydrochloric acid. (c) cadmium hydroxide added to a solution of acetic acid, CH3CO2Harrow_forwardThe following reactions are all similar to those of the industrial chemicals. Complete and balance the equations for these reactions: (a) reaction of a weak base and a strong acid. NH3+HClO4 (b) preparation of a soluble silver salt for silver plating. Ag2CO3+HNO3 (c) preparation of strontium hydroxide by electrolysis of a solution of strontium chloride SrCl2(aq)+H2O(l)electrolysisarrow_forwardWhat is the oxidation state of the halogen in each of the following?. (a) H5IO6. (b) IO4-. (c) ClO2. (d) ICl3. (e) F2arrow_forward
- Using data in Appendix 1, estimate the temperature at which Fe2O3 can be reduced to iron, using hydrogen gas as a reducing agent (assume H2O(g) is the other product).arrow_forwardThe amount of sodium hypochlorite in a bleach solution can be determined by using a given volume of bleach to oxidize excess iodide ion to iodine; ClO- is reduced to Cl-. The amount of iodine produced by the redox reaction is determined by titration with sodium thiosulfate, Na2S2O3; I2 is reduced to I-. The sodium thiosulfate is oxidized to sodium tetrathionate, Na2S4O6. In this analysis, potassium iodide was added in excess to 5.00 mL of bleach (d=1.00g/cm3) . If 25.00 mL of 0.0700 M Na2S2O3 was required to reduce all the iodine produced by the bleach back to iodide, what is the mass percent of NaClO in the bleach?arrow_forward4.48 Elemental phosphorous is used in the semiconductor industry. It can be obtained from an ore called fluoroapatite via reaction with SiO2 and C: 4Ca5( PO4)3F+18SiO2+30C3P4+30CO+18CaSiO3+2CaF2 Suppose a particular semiconductor production plant requires 1500 kg of P4. If the recovery of P4 from this reaction is 73% efficient, what mass of fluoroapatite is needed?arrow_forward
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