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A chemical “breathalyzer” test works because ethanol in the breath is oxidized by the dichromate ion (orange) to form acetic acid and chromium(III) ion (green). The balanced reaction is
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Chemistry
- Write the chemical formulas for the products formed when each of the following hydrocarbons undergoes complete combustion. a. CH4 b. C4H10 c. C4H6 d. C6H6arrow_forwardFor an acid-base reaction, what is the reacting species (the ion or molecule that appears in the chemical equation) in the following bases? (a) barium hydroxide (b) trimethylamine (CH3)3N (c) aniline, C6H5NH2 (d) sodium hydroxidearrow_forwardCalculate the mass percent of C3H5OCO2H3 in the sample. Be sure your answer has the correct number of significant digits.arrow_forward
- Predict the products of the following reaction. If no reaction will occur, use the NO REACTION button. Be sure your chemical equation is balanced! →+Na2SO3sHClaqarrow_forwardConsider the reaction: C(s) + H2O + heat (double arrow) CO(g) + H2, what will happen when you add H2O?arrow_forwardConsider the chemical equation C7 H16(ℓ) + 11 O2(g) ↔ 7 CO2(g) + 8 H2O(g) Find Keq for this reaction. Keq = [CO2]^7 · [H2O]^8 / [O2]^11 · [C7H16] Keq = [O2]^11 / [CO2]^7 · [H2O]^8 Keq = [O2]^11 · [C7H16] / [CO2]^7 · [H2O]^8 Keq = [CO2]^7 · [H2O]^8 / [O2]^11arrow_forward
- Name the major organic compound formed by the following reaction: OCH 3 x OCH 3 acid (hydrolysis)arrow_forwardDecomposition Reactions Carbon Reduction Reactions 2 Ag₂O(s)→ 4 Ag(s) + O₂(g) 2 MgO(s) → 2 Mg(s) + O₂(g) 2 Al₂O3(s) → 4 Al(s) + 3 O₂(g) 2 Fe₂O3(s)- 4 Fe(s) + 3 O₂(g) 2 HgO(s) → 2 Hg(1) + O₂(g) 2 Cr₂O3(s) → 4 Cr(s) + 3 O₂(g) Temperature Clear Graph 300 K AH° AS° (kJ) (J/K.mol) +62.2 +132.7 +1202.4 +216.7 +3351.4 +546.8 +1648.4 +551.5 +181.7 +2269.4 +286.8 +548.4 AG°(kJ) -1000 0 1000 2000 3000 300 Temperature (K) 2000 The metals Mg and Al, like most metals in groups 1A, 2A, and 3A of the periodic table, cannot be obtained by chemical reduction with carbon at reasonable temperatures. What process is used to obtain these metals from their ores?arrow_forwardConsider the reaction: Mg(s) + 2 Hl(aq) → Mgl₂(aq) + H₂(g) Which one of the following statements is the correct description of the oxidation and/or reduction processes in this reaction? Mg is reduced; H is neither reduced nor oxidized; I is oxidized Mg is reduced, H is oxidized, I is neither reduced nor oxidized Mg is oxidized; H is reduced; I is reduced Mg is oxidized; H is reduced; I is neither reduced nor oxidized Mg is oxidized; H is is neither reduced nor oxidized; I is reducedarrow_forward
- Write the balanced equation for the neutralization of H2SO4 and LiOH. And Write the formula for the acid in this reactionarrow_forwardComplete the balanced neutralization equation for the reaction below: H₂SO₄(aq)+Ca(OH)₂(aq)→arrow_forwardConsider the following balanced chemical equation: Mg(OH)2 + 2HCl → 2H2O + MgCl2 How many grams of HCl would be required to neutralize 50.0 grams of Mg(OH)2?arrow_forward
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