Chem 1 Study guides, Class notes & Summaries

1. A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 2. You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 3. When the following reaction goes in the forward direction, what is the base? 4. You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...

Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. ...

CHEM 104 Module 1 Exam, CHEM 104 Module 2 Exam, CHEM 104 Module 3 Exam, CHEM 104 Module 4 Exam, CHEM 104 Module 5 Exam, CHEM 104 Module 6 Exam (Latest-2023): Portage Learning |100% Correct Q & A| CHEM104 Module 1 Exam, CHEM104 Module 2 Exam, CHEM104 Module 3 Exam, CHEM 104 Module 4 Exam, CHEM 104 Module 5 Exam, CHEM 104 Module 6 Exam (Latest-2023): Portage Learning |100% Correct Q & A| CHEM 104 Module 1, 2, 3, 4, 5, 6 Exam (Latest-2023)/ CHEM104 Module 1, 2, 3, 4, 5, 6 Exam: General Chemis...

Chem 103 Module 1 to 6 Exam answers Portage learning ( A+ GRADED 100% VERIFIED)

Exam CHEM 103 Final Exam (Version-1, Latest-2023)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |100 % Correct Q & A| Exam CHEM 103 Final Exam (Version-1, Latest-2023)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |100 % Correct Q & A| ...

CHEM 104 Final Exam QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)

CHEM 120 Final Exam 1. (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): (Points : 5) 2. (TCO 1) How many mL are in 3.5 pints? Show your work. (Points : 5) 3. (TCO 3) What is the name of the following compound: Zn3P2? (Points : 5)

PORTAGE LEARNING CHEM 104 MODULE 1 –MODULE 6 EXAM

Hypothesis correct answer: a testable educated guess Experiment correct answer: how we test hypotheses Variable correct answer: Idea to be tested (only one) Control correct answer: Something the variable is tested against Experimental protocol correct answer: How do you do the test? Results correct answer: Data generated comparing variable to controls. Includes statistics to show results are meaningful Conclusion correct answer: Interpretation of results independent v...