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Chapter 23: Problem 16

Write a chemical equation, using molecular formulas, for the reaction of maltose with water to form glucose.

Short Answer

Expert verified
Answer: The balanced chemical equation for the hydrolysis of maltose (C12H22O11) to form glucose (C6H12O6) is: C12H22O11 + H2O -> 2 C6H12O6

Step by step solution

01

Write the reactants and products of the reaction

We need to write the chemical equation for the reaction of maltose (C12H22O11) with water (H2O) to form glucose (C6H12O6). Hence, the equation is C12H22O11 + H2O -> 2 C6H12O6.
02

Balancing the Chemical Equation

The given chemical equation is already balanced: C12H22O11 (maltose) -> This molecule has 12 carbon atoms, 22 hydrogen atoms, 11 oxygen atoms. H2O (water) -> This molecule has 2 hydrogen atoms, and 1 oxygen atom. 2 C6H12O6 (glucose) -> Each glucose molecule has 6 carbon atoms, 12 hydrogen atoms, 6 oxygen atoms. Since there are 2 molecules of glucose in the product, the number of each atom is doubled: 12 carbon atoms, 24 hydrogen atoms, 12 oxygen atoms. So, the balanced chemical equation is: C12H22O11 + H2O -> 2 C6H12O6

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Most popular questions from this chapter

Cellulose consists of about \(10,000 \mathrm{C}_{6} \mathrm{H}_{10} \mathrm{O}_{5}\) units linked together. (a) What are the mass percents of \(\mathrm{C}_{2} \mathrm{H}\), and \(\mathrm{O}\) in cellulose? (b) What is the molar mass of cellulose?

The following condensation polymer is made from a single monomer. Identify the monomer. CNCCC(=O)NCC(C)=O

Explain the difference between (a) a synthetic and natural polymer. (b) a polyester and polyamide. (c) \(\alpha\) -and \(\beta\) -glucose.

Aspartic acid acts as a triprotic acid with successive dissociation constants of \(8.0 \times 10^{-3}, 1.4 \times 10^{-4}\), and \(1.5 \times 10^{-10}\). Depending upon \(\mathrm{pH}\), aspartic acid can exist in four different forms in water solution. Draw these forms and calculate the pH range over which each form is the principal species.

Plants synthesize carbohydrates from \(\mathrm{CO}_{2}\) and \(\mathrm{H}_{2} \mathrm{O}\) by the process of photosynthesis. For example, $$ 6 \mathrm{CO}_{2}(g)+6 \mathrm{H}_{2} \mathrm{O}(t) \longrightarrow \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}(a q)+6 \mathrm{O}_{2}(g) $$ \(\Delta G^{\circ}=2.87 \times 10^{3} \mathrm{~kJ}\) at \(\mathrm{pH} 7.0\) and \(25^{\circ} \mathrm{C}\). What is \(K\) for the reaction at \(25^{\circ} \mathrm{C} ?\)
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