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Concept explainers
Interpretation:
If the chemical equation
Concept Introduction:
Statement that uses chemical symbols and formulas instead of words in order to describe the changes that takes place in a
- Correct formulas of the reactants are written in left side of chemical equation.
- Correct formulas of products are written in right side of chemical equation.
- An arrow is placed between reactants and products which point towards the products.
- If two or more substances are present in reactant and product, plus sign is used to separate them.
Balanced chemical equation is the one that has equal number of atoms of each element that is involved in the chemical reaction on both sides of the chemical equation. An unbalanced chemical equation can be balanced by adding coefficients to the equation. It is a number that is placed in left side of the chemical formula so that it changes the amount only and not the identity.
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Chapter 6 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- At 39.9ºC, a solution of ethanol (XetOH = 0.9006, P * etOH = 130.4 Torr) and isooctane (P * iso = 43.9 Torr) forms a vapor phase with YetOH = 0.6667. The total pressure is 185.9 a. Calculate the activity and the activity coefficient of each component.b. Calculate the total pressure the solution would have if it were ideal.c. Comparing the ideal pressure to the actual pressure, what does this indicate about the molecular interactions?arrow_forwardFor this question, use the following reaction and Kc value: 2NH3 (9) * N2(9) + H29) Kc = 3.4 x 104 At equilibrium, what is true about the amount of reactants compared with the amount of products? O A. The amount of reactants are higher than the number of products. B. The number of reactants are lower than the number of products. C. The number of reactants are the same as the number of products. Chparrow_forwardThe conversion of glucose-1-phosphate to glucose-6-phosphate by the enzyme phosphoglucomutase has a △G°' of -7.6 kJ/mol. Calculate the equilibrium constant for this reaction at 298 K and a pH of 7. (R = 8.315 J/K-mol) A. 0.003 B. 0.047 C. 1.00 D. 21arrow_forward
- You are showing your dad graphs of lactase activity. In the graph below, what should the vertical axis be titled? 12 10 4 2 2 6. 8 10 12 14 16 Time (minutes) (Accessibility info: One line on graph, uses these coords: 0,0; 2, 025; 4,1; 6,4; 8,7; 10,10; 12,11; 14, 11.25) Curve is slow to rise, up on a linear slope, slowly flattens at top.) Lactase (units/ml) cross out а. O b. Lactose (µM) cross out С. Glucose (µM) cross out d. Galactose (µM) cross out e. Starch (uM) cross out f. None of these answers are correct. cross out O O O Oarrow_forwardThe colour change for the test reaction of an alkene with KMNO4 is from: A. Purple to black/brown B. Purple to orange C. Orange to purple D. Orange to black/brown E. Purple to yellowarrow_forwardFor this reaction: 6CO2 + 6H2O → C6H12O6 + 6O2, the products have 2760 kJ/mole more free energy than the reactants. So, which of the following statements best describes the reaction? a The reaction is endergonic because it converts molecules with less free energy to those with more free energy. b The reaction is exergonic because it converts molecules with less free energy to those with more free energy. c The reaction is exergonic because it converts molecules with more free energy to those with less free energy d The reaction is endergonic because it converts molecules with more free energy to those with less free energy.arrow_forward
- The analgesic phenacetin is synthesized by treating 4- ethoxyaniline with acetic anhydride. a. Which of the following is the structure of 4- ethoxyaniline? OCH₂CH3 NH₂ OCH₂CH3 NH₂ OCH₂CH3arrow_forwardIn the formula below, which component is in the oxidized state? H2 + F2 --> 2H* + 2F (Apologies for the lack of subscripts and superscripts in the answer choices - they don't display in the published quiz.) a. H2 b. F2 с. 2H+ d. 2F H2 O F2 O 2H+ 2F-arrow_forwardDefine the following terms: a. adenosine triphosphate b. redox reaction c. oxidizing agent d. reducing agent e. NADHarrow_forward
- Identify the statements that are TRUE regarding Anabolic reactions. SELECT ALL THAT APPLY A. These reactions may also be called recomposition reactions B. These reactions involve the formation of new bonds C. These reactions build larger products from smaller reactants D. These reactions typically release energy.arrow_forwardThe plant toxin fluoroacetate (F-CH2COO−) is easily converted to fluorocitrate when an animal ingests the plant. The enzyme aconitase has a high affinity for the 2-fluorocitrate molecule. Consider the purpose of this enzyme and speculate as to why the reaction to produce isocitrate does not occur as planned. Why is fluoroacetate considered a poison? [Hint: Fluorine is more electronegative than oxygen.]arrow_forwardGiven the equation of the line, y=150x-8.1221 (cells per mL is in 10^8), what is the CFU per mL of the original suspension if the thousand-fold dilution of that suspension has an absorbance of 0.3 at 600nm? * A. 3.7 x 10^12 B. 3.7 x 10^9 C. 3.7 x 10^1 D. None of these is correctarrow_forward
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
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