CHEM 103: Lab Exam 1, CHEM 103 Lab Exam 2, Lab Exam 3, Lab Exam 4, Lab Exam 5, Lab Exam 6 and CHEM 103 Lab Exam 8 – Portage Learning (Best Guide )
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CHEM 103 Lab Exam 4 – Portage Learning. What does it mean that the heat of a reaction is an extensive property? 2. (3 points) Does the following reaction give off heat or absorb heat? Explain briefly. C D H = +263Kcal/mol 3. (4 points) In one experiment in the video, room temperature water wa...
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Add to cartCHEM 103 Lab Exam 4 – Portage Learning. What does it mean that the heat of a reaction is an extensive property? 2. (3 points) Does the following reaction give off heat or absorb heat? Explain briefly. C D H = +263Kcal/mol 3. (4 points) In one experiment in the video, room temperature water wa...
CHEM 103 Lab Exam 5 – Portage Learning. In the Boyle’s law experiment, how was the volume of gas at different pressures determined? 2. (2 points) According to Boyle’s law, as the volume of a gas decreases, the pressure _________. 3. (6 points) A sample of gas occupies a volume of 10.5 L wh...
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Add to cartCHEM 103 Lab Exam 5 – Portage Learning. In the Boyle’s law experiment, how was the volume of gas at different pressures determined? 2. (2 points) According to Boyle’s law, as the volume of a gas decreases, the pressure _________. 3. (6 points) A sample of gas occupies a volume of 10.5 L wh...
CHEM 103 Lab Exam 1 – Portage Learning. What is the wide-mouthed glass container shown below? Your Answer: 2. Why is glass so often used as a material for lab containers? 3. What is the metal device used to hold hot containers? 4. What is the weighing dish used for solids? 5. What device is u...
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Add to cartCHEM 103 Lab Exam 1 – Portage Learning. What is the wide-mouthed glass container shown below? Your Answer: 2. Why is glass so often used as a material for lab containers? 3. What is the metal device used to hold hot containers? 4. What is the weighing dish used for solids? 5. What device is u...
CHEM 103 Lab Exam 2 – Portage Learning. A reaction which gives off heat is said to be exothermic . Answer 1: Answer 2:
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Add to cartCHEM 103 Lab Exam 2 – Portage Learning. A reaction which gives off heat is said to be exothermic . Answer 1: Answer 2:
CHEM 103 Lab Exam 3 – Portage Learning. Why was the crucible cooled in a desiccator? 2. With what was the sample coated in the SEM experiment? 1. The crucible cooled in a desiccator to prevent water from being picked up. 2. The sample was coated with carbon in the SEM experiment. Answer the fo...
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Add to cartCHEM 103 Lab Exam 3 – Portage Learning. Why was the crucible cooled in a desiccator? 2. With what was the sample coated in the SEM experiment? 1. The crucible cooled in a desiccator to prevent water from being picked up. 2. The sample was coated with carbon in the SEM experiment. Answer the fo...
CHEM 103 Lab Exam 6 – Portage Learning. Bonds within a molecule are called intra-molecular bonds. Non-polar (type) compounds are insoluble in water.
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Add to cartCHEM 103 Lab Exam 6 – Portage Learning. Bonds within a molecule are called intra-molecular bonds. Non-polar (type) compounds are insoluble in water.
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CHEM 103 Lab Exam 8 – Portage Learning. The unit “m” stands for _______ in this experiment. 2. (4 points) Why was warming data used for estimating the freezing/melting point of the cyclohexane? 3. (3 points) How much of the cyclohexane solvent was placed in the test? 1.) molarity 2.) It i...
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Add to cartCHEM 103 Lab Exam 8 – Portage Learning. The unit “m” stands for _______ in this experiment. 2. (4 points) Why was warming data used for estimating the freezing/melting point of the cyclohexane? 3. (3 points) How much of the cyclohexane solvent was placed in the test? 1.) molarity 2.) It i...
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