Balanced chemical equation for production of lead metal from galena has to be written. Concept Introduction: Chemical reaction can be expressed in terms of chemical equation where the molecular formula and atomic symbols are used. As in a chemical reaction, there is a law of conservation of mass; the chemical equation has to be balanced. Balanced chemical equation is the one that has the same number of atoms of same kind on both sides of the equation.

Question

By malonic or acetylacetic synthesis, synthesize 2-methylbutanoic acid (indicate the formulas of the compounds).

Answer 1

Question

Chapter 19, Problem 45QRT

(a)

Interpretation Introduction

Interpretation:

Balanced chemical equation for production of lead metal from galena has to be written.

Concept Introduction:

Chemical reaction can be expressed in terms of chemical equation where the molecular formula and atomic symbols are used. As in a chemical reaction, there is a law of conservation of mass; the chemical equation has to be balanced. Balanced chemical equation is the one that has the same number of atoms of same kind on both sides of the equation.

(b)

Interpretation Introduction

Interpretation:

The two reactions involved in the production of lead from galena have to be found as redox reactions or not and it has to be explained by identifying the oxidizing and reducing agent.

Concept Introduction:

Oxidizing agent is the one that gets reduced during a chemical reaction and reducing agent is the one that gets oxidized in a chemical reaction. In terms of electron transfer oxidizing agent is the one that donates electrons and reducing agent is the one that accepts electrons. In terms of oxidation number, the oxidizing agent is the one where the element gains electrons results in decrease of oxidation number and reducing agent is the one where the element loses electrons results in increase of oxidation number.

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By malonic or acetylacetic synthesis, synthesize 2-methylbutanoic acid (indicate the formulas of the compounds).

Obtain 2-methylbutanoic acid by malonic or acetylacetic synthesis (indicate the formulas of the compounds involved).

EFFICIENTS SAMPLE READINGS CONCENTRATIONS Pigiadient) TOMATO SAUCE (REGULAR) TOMATO (REDUCED SALT) TOMATO SAUCE (REGULAR) TOMATO (REDUCED SALT) 58 6.274 3.898 301.7 151.2 14150 5.277 3.865 348.9 254.8 B 5.136 3.639 193.7 85.9 605 4.655 3.041 308.6 199.6 05 5.135 3.664 339.5 241.4 0139 4.676 3.662 160.6 87.6 90148 5.086 3.677 337.7 242.5 0092 6.348 3.775 464.7 186.4 PART3 5.081 3.908 223.5 155.8 5.558 3.861 370.5 257.1 4.922 3.66 326.6 242.9 4.752 3.641 327.5 253.3 50 5.018 3.815 336.1 256.0 84 4.959 3.605 317.9 216.6 38 4.96 3.652 203.8 108.7 $3 5.052 3.664 329.8 239.0 17 5.043 3.767 221.9 149.7 052 5.058 3.614 331.7 236.4 5.051 4.005 211.7 152.1 62 5.047 3.637 309.6 222.7 5.298 3.977 223.4 148.7 5.38 4.24 353.7 278.2 5 5.033 4.044 334.6 268.7 995 4.706 3.621 305.6 234.4 04 4.816 3.728 340.0 262.7 16 4.828 4.496 304.3 283.2 0.011 4.993 3.865 244.7 143.6 AVERAGE STDEV COUNT 95% CI Confidence Interval (mmol/L) [Na+] (mg/100 mL) 95% Na+ Confidence Interval (mg/100 mL)