a. The combustion of ethanol (C2 H; OH) forms carbon dioxide and water vapor. A combustion reaction refers to a reaction of a substance with oxygen gas. b. Aqueous solutions of mercury(II) nitrate and sodium phosphate are mixed, resulting in the precipitate formation of mercury(II) phosphate with aqueous sodium nitrate as the other product. c. Solid manganese reacts with aqueous HCl to form aqueous manganese(II) chloride and hydrogen gas. d. Aqueous barium hydroxide reacts with aqueous hydrobromic acid to produce water and aqueous barium bromide.

A chemical reaction has the equation AgNO3 (s) + NaCI (s) -› AgCI (s) + NaNO3(s). What type of reaction occurs between AgNO3 and NaCl? A. Decomposition B. Synthesis © C. Double displacement D. Single displacement

Write a balanced chemical equation for the following reactions and classify reactions. i. Liquid octane (C8H18) reacts with oxygen gas (O2) to form carbon dioxide and steam (gaseous water). ii. Solid sodium metal and water react to make sodium hydroxide and hydrogen gas.

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Two solutions are mixed, and the resulting reaction produces NaNO3(aq) and NiCO3(s).  a. Write the balanced molecular equation for this reaction.  b. Write the net ionic equation, given that the sodium and nitrate ions are the spectator ions.

3. For each reaction below, (f) write a balanced reaction equation, including proper state symbols, and (ii) name the type of reaction that occurs. Note: More than one type of reaction may apply to the same reaction equation. a. zinc metal reacts with aqueous copper(II) sulfate to form copper metal and aqueous zinc(II) sulfate b. aqueous sodium sulfide and aqueous lead(II) acetate form aqueous sodium acetate and solid lead(II) sulfide C. solid sodium bicarbonate is heated to form carbon dioxide gas, liquid water, and solid sodium carbonate d. solid magnesium and diatomic nitrogen gas react to form solid magnesium nitride e. sulfuric acid and aqueous potassium hydroxide react to form aqueous potassium sulfate and liqud water

Baking soda is a pure substance, sodium bicarbonate. Vinegar is a mixture of acetic acid dissolved in water, and it is only the acetic acid that reacts. Acetic acid and sodium bicarbonate can react together according to the chemical equation below: HC2H302 NaHCOe NAC2H302 + H20 + CO2 acetic acid + sodium bicarbonate sodium acetate + water + carbon dioxide Samuel wants to help his brother make a science fair volcano. 1. For his first experiment, Samuel obtains samples of solid acetic acid powder and solid sodium bicarbonate powder from his chemistry teacher. He mixes the two powders together, but there is no reaction. b) Considering the state of matter of the particles, give a possible explanation for why there is no reaction. BIUEE O Σ Next * Previous i Aa 2048 37.006 stv MacBook Air 888 F11 F10 80 FS F4 F3 F2 F1 + & @ 2# $ 6 7 8 2 3 4 Y Q E R G J K A S D F > V B M с command option command .. ·- > N

3. Zinc reacts with acids according to the following equation; Zn(s) + 2HA(aq) → Zn(A),(aq) + H,(g) The net ionic reaction is; Zn(s) + 2H,O*(aq) → Zn2*(aq) + H,(g) Hydrochloric acid is a strong acid and acetic acid is a weak acid. Based on the above information, explain the difference in the two reaction rates.

4. Write an equation for the reaction of aqueous sulfuric acid and aqueous barium hydroxide. Indicate the physical states of all reactants and products. 5. Write an equation for the reaction of aqueous phosphoric acid and magnesium metal. Indicate the physical states of all reactants and products. 6. Write an equation for the reaction of aqueous phosphoric acid and aqueous sodium bicarbonate. Indicate the physical states of all reactants and products.

3. What is compound A in the following reaction? Br Mg Mam OH A. I B. II C. III MgBr OH D. IV H₂O III OH Compound A IV