Chm 2046 - Study guides, Class notes & Summaries

CHM 2046 Exam 3 all chapters 2024 Solved 100%

CHM 2046 EXAM WITH 100% ACCURATE SOLUTIONS Acids - correct answer Sour taste Dissolve metals Turns blue litmus paper red Ability to neutralize bases Hydrochloric acid - correct answer Strong acid Sulfuric acid - correct answer Strong acid Diprotic Nitric Acid - correct answer Strong acid Acetic acid - correct answer HC2H3O2 Weak acid

CHM 2046 Exam 3 UPDATED ACTUAL Exam Questions and CORRECT Answers A ____________ is a solution that resists pH change by neutralizing the added acid or base. - CORRECT ANSWER- buffer A ____________ contains significant amounts of either a weak acid/base and its conjugate base/acid. - CORRECT ANSWER- buffer A ______________ neutralizes small to moderate amounts of added acid or base without a large change in its pH. - CORRECT ANSWER- buffer

CHM 2046 Exam 3 UPDATED Exam Questions and CORRECT Answers equilibrium constant - CORRECT ANSWER- Kc=[products]/[reactants] product favored - CORRECT ANSWER- K>1 reactant favored - CORRECT ANSWER- K<1 reaction quotient - CORRECT ANSWER- Q=[initial products]/[initial reactants] at equilibrium - CORRECT ANSWER- Q=K

CHM 2046 Exam 3 | with complete solution | GRADED A+

CHM 2046L Final LAB (Phosphate concentration determination via spectrophotometric analysis of water )

Which of these is NOT an expected benefit of using the science writing heuristic? a) Thought development through writing b) Increased understanding of chemistry concepts c) Improved handwriting d) Increased performance on chemistry tests - Correct Answer c) Improved handwriting What two items must be worn at all times in the lab? - Correct Answer 1. Lab Coat (long-sleeved, knee length) 2. Goggles/ Protective Eye-wear What should you do if the waste container is full? a) Nothi...

True or False: If you are late to class, you can take the quiz after the lab is over - Correct Answer False List 4 pieces of PPE (personal protective equipment) that must always be worn in the lab - Correct Answer - Safety goggles - Lab coat - Long pants/skirts - No crop tops - Long hair tied up True or False: The volume of a mixture is always the same as the sum of the individual volumes - Correct Answer False Ex. When mixing 10mL of rubbing alcohol with 10mL of water, the total v...

CHM 2046 General chemistry 2 ch. 17learning objectives summary

Summary based on the learning objectives of ch. 14 (part 2) of CHM 2046.