Chem 1020 lab Study guides, Class notes & Summaries

Mass - CORRECT ANSWER the amount of matter in the object and is independent of where the object is. (Exp.1) Weight - CORRECT ANSWER The force of gravity on the object and is dependent of where the object is. (Exp.1) Volume - CORRECT ANSWER Length is 3 dimensions. (Exp.1) Density - CORRECT ANSWER d=mass/volume in g/mL (Exp.1) Experiment 1 - CORRECT ANSWER Involves finding the density of a pre-1983 penny, a post 1983 penny, an unknown liquid, and an unknown solid. Measuring the pennies wi...

Chem 1020 Lab Exam-Includes concepts, terms, definitions, questions from the safety quiz and tools used in the lab | Actual Questions and Answers Latest Updated 2024/2025 (Graded A+)

Write the equation and explain in Le Chatelier: Barium chromate, BaCrO4, is insoluble in basic solution but dissolves readily in acidic solution - correct answer 2CrO4^2- + 2H^+ <---> Cr2O7^2- + H2O shift right Write the equation and explain in Le Chatelier: The addition of NaOH to the iron (III)-thiocyanate equilibrium causes the red color to disappear and a rust colored precipitate to form - correct answer FeSCN^2+ + 3NaOH <---> Fe^3+(OH)3 + SCN^- + 3Na^+ shift left Write...

mega (M) - correct answer 1,000,000 kilo (k) - correct answer 1,000 deci (d) - correct answer 0.1 centi (c) - correct answer 0.01 milli (m) - correct answer 0.001 micro (μ) - correct answer 0.000001 nano (n) - correct answer 0. Volume of a cylinder - correct answer V=πr²h Percent Error - correct answer % Error = (Theoretical value -Experimental value) /(Theoretical value) * 100% density of a cylinder - correct answer d = (m)/πr²h Mass percent - correct answer m...

Chem 1020 Lab Final Questions With Complete SolutionsChem 1020 Lab Final Questions With Complete Solutions

What is another name for Vitamin C? - correct answer Ascorbic Acid Scurvy - correct answer Lack of Vitamin C (eating limes can prevent this- "Limeys") What are the symptoms of scurvy? - correct answer Spongy gums bleeding from mucous membranes spots on the skin teeth loss Jaundice death. True or Fasle? Heating fruits and vetgables destroys mos,t if not all their Vitamin C - correct answer True How did we determine how much Vitamin C was in the fruit juice? - correct answer ...

% Acetic Acid in Vinegar The primary standard used for this experiment is - correct answer sodium carbonate % Acetic Acid in Vinegar The secondary standard used for this experiment is - correct answer hydrochloric acid % Acetic Acid in Vinegar The indicator used in Part 1 is - correct answer bromophenol blue % Acetic Acid in Vinegar The glassware used to dispense portions of the hydrochloric acid solution in part 1 is the - correct answer buret % Acetic Acid in Vinegar the endpo...

Mass - correct answer the amount of matter in the object and is independent of where the object is. (Exp.1) Weight - correct answer The force of gravity on the object and is dependent of where the object is. (Exp.1) Volume - correct answer Length is 3 dimensions. (Exp.1) Density - correct answer d=mass/volume in g/mL (Exp.1) Experiment 1 - correct answer Involves finding the density of a pre-1983 penny, a post 1983 penny, an unknown liquid, and an unknown solid. Measuring the pennies...

Chem 1020 Lab Final Questions With Complete Solutions.

Barium - correct answer yellow-green/ yellow sodium - correct answer orange calcium - correct answer reddish orange lithium - correct answer pink potassium - correct answer light purple Hydrogen: red - correct answer 656nm Hydrogen: blue - correct answer 486nm Hydrogen: violet - correct answer 434 Hydrogen: violet - correct answer 410 Erlenmeyer flask - correct answer Florence Flask - correct answer pre 1983 pennies - correct answer pure copper