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1. Heartburn is typically caused by eating acidic foods or otherwise having conditions in the stomach that are too acidic. An antacid, such as calcium carbonate, is frequently used to counteract this, though burping is a frequent side-effect. Based on this description, what sort of reaction to you hypothesize what is taking place? a. Precipitation b. Redox c. Acid-Base d. Acid-Base and Gas Evolution |

1. Heartburn is typically caused by eating acidic foods or otherwise having conditions in the stomach that are too acidic. An antacid, such as calcium carbonate, is frequently used to counteract this, though burping is a frequent side-effect. Based on this description, what sort of reaction to you hypothesize what is taking place? a. Precipitation b. Redox c. Acid-Base d. Acid-Base and Gas Evolution |

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Educational Content: Chemistry Exploration** 1. **Heartburn and Chemical Reactions:** Heartburn often results from consuming acidic foods or conditions in the stomach that increase acidity. Antacids, like calcium carbonate, are used to counteract this, but they can cause burping. Based on this information, identify the type of reaction occurring: - a. Precipitation - b. Redox - c. Acid-Base - d. Acid-Base and Gas Evolution 2. **Iron and Carbonate Compounds:** When using iron to create a carbonate compound, select the correct formula/name combination: - a. FeCO₃, iron (II) carbonate - b. FeCO₃, iron (I) carbonate - c. FeC, iron (II) carbonate - d. FeCO₃, iron (II) carbide 3. **Balancing Reactions with Gastric Juices:** Gastric juices primarily consist of HCl. In a balanced reaction with CaCO₃, what is the coefficient of HCl? - a. 1 - b. 2 - c. 3 - d. 4 4. **Electron Configurations:** Determine the electron configurations for atomic calcium and the calcium ion, in order: - a. \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2 \, 3p^6 \, 4s^2\); \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2 \, 3p^6\) - b. \(1s^2 \, 2s^2 \, 3s^2 \, 3p^6 \, 4s^2\); \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2 \, 3p^6 \, 4s^2 \, 3d^2\) - c. \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2\); \(1s^2 \, 2s^2 \,
Transcribed Image Text:**Educational Content: Chemistry Exploration** 1. **Heartburn and Chemical Reactions:** Heartburn often results from consuming acidic foods or conditions in the stomach that increase acidity. Antacids, like calcium carbonate, are used to counteract this, but they can cause burping. Based on this information, identify the type of reaction occurring: - a. Precipitation - b. Redox - c. Acid-Base - d. Acid-Base and Gas Evolution 2. **Iron and Carbonate Compounds:** When using iron to create a carbonate compound, select the correct formula/name combination: - a. FeCO₃, iron (II) carbonate - b. FeCO₃, iron (I) carbonate - c. FeC, iron (II) carbonate - d. FeCO₃, iron (II) carbide 3. **Balancing Reactions with Gastric Juices:** Gastric juices primarily consist of HCl. In a balanced reaction with CaCO₃, what is the coefficient of HCl? - a. 1 - b. 2 - c. 3 - d. 4 4. **Electron Configurations:** Determine the electron configurations for atomic calcium and the calcium ion, in order: - a. \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2 \, 3p^6 \, 4s^2\); \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2 \, 3p^6\) - b. \(1s^2 \, 2s^2 \, 3s^2 \, 3p^6 \, 4s^2\); \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2 \, 3p^6 \, 4s^2 \, 3d^2\) - c. \(1s^2 \, 2s^2 \, 2p^6 \, 3s^2\); \(1s^2 \, 2s^2 \,
**Transcription for Educational Website** A drug is being prescribed to patients with a terminal condition; they would otherwise die without this treatment. However, there are severe side effects to taking it, which can include death. The following plot shows the dose-response curve for the drug (solid curve) indicating how effective the drug is at treating the condition (its efficacy), and the curve of the rate of side effects (dotted curve) as a function of the dosage. Pick the closest answers for the following questions: ![Graph Description] The graph presents two curves over a dosage range from 0 to 4 mg/kg/day. The solid curve represents the drug's efficacy, which increases sharply and reaches near 100% efficacy slightly before 1.5 mg/kg/day. The dotted curve represents the rate of side effects, which starts increasing quickly after 1.5 mg/kg/day, reaching 100% incidence between 2.5 and 3 mg/kg/day. **Questions:** 5. Based on the above plot, what should the dosage be in mg of drug per kg body weight per day? a. 0.5 b. 1.1 c. 1.5 d. 2.5 6. If the patient weighs 145 pounds, what should their daily dosage be? 1 kg = 2.2 pounds a. 44 mg b. 165 mg c. 218 mg d. 99 mg
Transcribed Image Text:**Transcription for Educational Website** A drug is being prescribed to patients with a terminal condition; they would otherwise die without this treatment. However, there are severe side effects to taking it, which can include death. The following plot shows the dose-response curve for the drug (solid curve) indicating how effective the drug is at treating the condition (its efficacy), and the curve of the rate of side effects (dotted curve) as a function of the dosage. Pick the closest answers for the following questions: ![Graph Description] The graph presents two curves over a dosage range from 0 to 4 mg/kg/day. The solid curve represents the drug's efficacy, which increases sharply and reaches near 100% efficacy slightly before 1.5 mg/kg/day. The dotted curve represents the rate of side effects, which starts increasing quickly after 1.5 mg/kg/day, reaching 100% incidence between 2.5 and 3 mg/kg/day. **Questions:** 5. Based on the above plot, what should the dosage be in mg of drug per kg body weight per day? a. 0.5 b. 1.1 c. 1.5 d. 2.5 6. If the patient weighs 145 pounds, what should their daily dosage be? 1 kg = 2.2 pounds a. 44 mg b. 165 mg c. 218 mg d. 99 mg
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