- Question 1 1 Point What Is The Proper Personal Protective Equipment When Using Sodium Acetate Wear Appropriate Prot 1 (23.23 KiB) Viewed 31 times
- Question 1 1 Point What Is The Proper Personal Protective Equipment When Using Sodium Acetate Wear Appropriate Prot 2 (19.11 KiB) Viewed 31 times
- Question 1 1 Point What Is The Proper Personal Protective Equipment When Using Sodium Acetate Wear Appropriate Prot 3 (18.6 KiB) Viewed 31 times
- Question 1 1 Point What Is The Proper Personal Protective Equipment When Using Sodium Acetate Wear Appropriate Prot 4 (10.9 KiB) Viewed 31 times
- Question 1 1 Point What Is The Proper Personal Protective Equipment When Using Sodium Acetate Wear Appropriate Prot 5 (16.06 KiB) Viewed 31 times
- Question 1 1 Point What Is The Proper Personal Protective Equipment When Using Sodium Acetate Wear Appropriate Prot 6 (22.56 KiB) Viewed 31 times
What is the uncertainty associated with each of the following equipment? Mettler PJ400 Top loading balance and Analytical Metler AE160/ae200 ± 0.02 and ±0.0002 ± 0.01 and ± 0.0001 ± 0.03 and ± 0.0003
Question 4 (1 point) What is the first law of thermodynamics? O energy can be neither created nor destroyed. It can only change forms; O if two systems are in thermal equilibrium with a third, they are in thermal equilibrium with each other; the entropy of an isolated macroscopic system never decreases; all options are correct;
Question 5 (1 point) The heat capacity (C) of a substance is the amount of heat required to raise the temperature of a given quantity of the substance by one degree Celsius, true or false? True False
Question 2 (1 point) Why do you need to weight out anhydrous sodium acetate quickly for each trial? Its hygroscopic, the absorbed water from the environment might alter the determination of its heat of solution. To speed up each trial. To remove the heat left over from last run.
Question 3 (1 point) Match the forms of energy accordingly. DD Energy stored in structural units of chemical substances Energy that flows in a system. Energy emitted by the sun Energy associated with random motion of atoms and molecules 1. Thermal energy 2. Chemical energy 3. Radiant energy 4. Heat