how can waste be made useful? – Flashcards
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Which of the following best describes what is in an aqueous solution of silver nitrate, AgNO3(aq)?
answer
Ag+ and NO3− ions
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Which of the following should NOT break up into, or form, ions when dissolved in water?
answer
molecular compounds such as H2O
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How are the reactions involved in this investigation classified?
answer
exchange reactions
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Use Appendix J in your lab manual to determine which of the following compounds is insoluble (not soluble) in water.
answer
Mg(OH)2
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When aqueous solutions of lead(II) nitrate and potassium iodide are mixed, what is the formula for the insoluble solid (precipitate) that forms?
answer
PbI2
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Use Appendix J in your lab manual to determine which of the following should react with sulfuric acid, H2SO4(aq) to form an insoluble solid (a precipitate)?
answer
Ca(NO3)2
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What is the driving force for the reaction of HCl(aq) and NaOH(aq)?
answer
Formation of H2O
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Which of the following is characteristic of a solution containing an acid?
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H+
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Which ions (with correct charges) are present in an aqueous solution of ZnCl2?
answer
Zn2+ and Cl−
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A reaction will NOT occur when all the reactants and products in the ionic equation are spectator ions because no change occurs such as the formation of a precipitate or molecular compound. Which of the following combinations (as reactants) will NOT undergo chemical change when mixed? Refer to Appendix J if needed.
answer
IDK
