Chem120 week 8 quiz - Samenvattingen en Aantekeningen

Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 1. Question: (CO 1) What was the independent v...

CHEM 120 Week 8 Lab Practical Online Quiz (Lab Practicum)

1. Question: If a patient has fever of 103 ◦F, convert it in degree Celsius 2. Question: You are given 500 mg NaCl. If it is dissolved in 7.5 mL water what would be the density in g/mL? 3. Question: Provide name of the following organic compound CH3-NH2 4. Question: Provide structural formula of the following organic compound (3 points). Ethyl amine 5. Question: You are given a pH meter and a series of solutions (solutions A, B and C). When you measured pH, the results were as follo...

CHEM 120 Week 8 Lab Practical Online Quiz

CHEM 120 Week 8 Lab Practical Online Quiz

Chem120 Week 7 Review Quiz Question 1 If an atom loses electrons in a redox reaction, we say this atom was: Oxidized Question 2 In the reaction CrO +H2 H2O + Cr, the element being reduced is: Cr Question 3 What is the oxidizing agent in the reaction Fe3 + V Fe + V3+ Fe3+ Question 4 Which if the following molecules is not a hydrocarbon? Methanol Question 5 Which of the following molecules contains a triple bond? Select all that apply: Pentyne Butyne Question 6 A key application...