
Concept explainers
a)
Interpretation:
The mass of each product in the given reaction has to be determined if
Concept introduction:
Voltaic cell or Galvanic cell:
The device to produce electricity by using
A voltaic cell converts chemical energy into electrical energy.
It consists of two half cells. Each half cell consists of a metal and a solution of a salt of metal. Two half cells are connected by salt bridge.
The chemical reaction in the half cell is an
For example:
Cell diagram of voltaic or galvanic cell is as follows.
(b)
Interpretation:
The
Concept introduction:
Voltaic cell or Galvanic cell:
The device to produce electricity by using chemical reactions. In these divces are redox chemical reactions are occured.
A voltaic cell converts chemical energy into electrical energy.
It consists of two half cells. Each half cell consists of a metal and a solution of a salt of metal. Two half cells are connected by salt bridge.
The chemical reaction in the half cell is an oxidation reduction (redox)reactions.
For example:
Cell diagram of voltaic or galvanic cell is as follows.
(c)
Interpretation:
The energy consume in 24 hours has to be determined.
Concept introduction:
Voltaic cell or Galvanic cell:
The device to produce electricity by using chemical reactions. In these divces are redox chemical reactions are occured.
A voltaic cell converts chemical energy into electrical energy.
It consists of two half cells. Each half cell consists of a metal and a solution of a salt of metal. Two half cells are connected by salt bridge.
The chemical reaction in the half cell is an oxidation reduction (redox)reactions.
For example:
Cell diagram of voltaic or galvanic cell is as follows.

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Chapter 19 Solutions
Chemistry & Chemical Reactivity
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- Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: base acid K K a name formula name formula nitrous acid HNO2 4.5×10 hydroxylamine HONH2 1.1 × 10 8 hypochlorous acid HCIO 8 3.0 × 10 methylamine CH3NH2 | 4.4 × 10¯ 4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 0.1 M KCIO solution PH choose one 0.1 M NaNO2 0.1 M CH3NH3Br 0.1 M NaBr choose one ✓ choose one v ✓ choose one 1 (lowest) ☑ 2 3 4 (highest)arrow_forwardFor this Orgo problem, don't worry about question 3 below it. Please explain your thought process, all your steps, and also include how you would tackle a similar problem. Thank you!arrow_forwardUsing the general properties of equilibrium constants At a certain temperature, the equilibrium constant K for the following reaction is 0.84: H2(g) + 2(g) 2 HI(g) = Use this information to complete the following table. Suppose a 34. L reaction vessel is filled with 0.79 mol of HI. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little H2 and 12. ☐ x10 There will be very little HI. Neither of the above is true. What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. 2 HI(g) H₂(9)+12(9) K = What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. 2 H2(g)+212(9) 4 HI(g) K = ☐ ☑arrow_forward
- Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: base acid Κα Kb name formula name formula hydrocyanic acid - 10 HCN 4.9 × 10 pyridine C₂H₂N 1.7 × 10 9 acetic acid HCH3CO2 1.8 × 10 5 hydroxylamine HONH2 1.1 × 10¯ 8 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 0.1 M KCN solution pH choose one ✓ 0.1 M C5H5NHCI choose one ✓ 0.1 M NaCH3CO2 choose one ✓ 0.1 M HONH3Br ✓ choose one 1 (lowest) 2 3 4 (highest)arrow_forwardFor this question please solve the first question. Please explain your thought process, the steps you took, and how you would tackle a similar problem. Thank you for your help!arrow_forwardPart C A solution that is 0.040 M in HCIO4 and 0.046 M in HCI Express your answer numerically to two decimal places. ΜΕ ΑΣΦ ? pH = Submit Request Answer Part D A solution that is 1.08% HCl by mass (with a density of 1.01 g/mL) Express your answer numerically to three decimal places. ΜΕ ΑΣΦ -> 0 ? pH =arrow_forward
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