Unit 4 HW 2.docx - Chemistry 1211 Unit 4 HW 2 Question 1(1...

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Chemistry 1211 Unit 4 HW 2 Question 1 (1 point) When a salt is dissolved in water, it is represented by the following notation in a chemical reaction? Question 1 options: (l) (s) (aq)
Save Question 2 (1 point) Which of the following is an acid-base reaction?
Save Question 3 (1 point) What is the oxidation number of Mn in a permanganate anion?
Save Question 4 (1 point) Write the net ionic equation for a reaction between lead(II) sulfate and sodium iodide.
Pb 2+ (aq) + 2I - (aq) --> PbI 2 (s) PbSO 4 (aq) + 2NaI(aq) --> PbI 2 (s) + Na 2 SO 4 (aq) Save Question 5 (1 point) Write a balanced reaction for the neutralization of HBr upon the addition of KOH. Question 5 options: HBr(aq) + KOH(aq) à KBr(s) + H 2 O(l) HBr(aq) + KOH(aq) --> KBr(aq) + H 2 O(l) HBr(aq) + KOH(aq) à KBr(l) + H 2 O(l)
Save Question 6 (1 point) The chemical reaction CaCO 3 --> CaO + CO 2 is classified as a

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