Lab 2: Lab Report PDF

Summary

This lab report covers questions about chemical reactions. Questions include color changes upon mixing ammonia and vinegar with mustard and describing reactions in general. The document also asks students to draw a pH scale and plot acidity and alkalinity.

Full Transcript

Lab 2: Lab Report This report must be submitted to me. The "Start Here" (part 2) module describes ways to submit labs. You may use additional paper, as needed. Using the lab instructions, answer the following questions. Remember to record what you observe, not what you 'think' you should observe....

Lab 2: Lab Report This report must be submitted to me. The "Start Here" (part 2) module describes ways to submit labs. You may use additional paper, as needed. Using the lab instructions, answer the following questions. Remember to record what you observe, not what you 'think' you should observe. 1. What color change do you see when you added the ammonia to the mustard? Red 2. What color change do you see when you added the vinegar to the mustard? NOcolorchange 3. Which substance is a base? 4. Which substance is an acid? ahimir 5. Describe the color change you observed when you added the acid substance back to the mustard/base mixture? a reddish when the anthems fee g orange 6. What is the name of the type of reaction that occurred in Question 5? thegolato 7. DescribeDissociation more what happened between the hydrogen ions and the hydroxide ions? the Hydrogen are notbalancedand adding the need 6. hydroxine ammonia FOLLOW THESE INSTRUCTIONS EXACTLY FOR FULL CREDIT! Please use additional paper as needed. A. Draw a pH scale and number it (DON'T COPY AND PASTE, DRAW/CREATE YOUR OWN). B. Plot the following on the pH scale you created: 1. indicate neutral 2. increasing acidity and alkalinity 3. indicate 3 examples of substances that have basic pH values at their proper location on the pH scale 4. indicate 3 examples of substances that have acidic pH values at their proper location on the pH scale 5. indicate the direction of increasing hydrogen ion concentration and increasing hydroxide ion concentration.

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