Chem 103 quiz 2 Study guides, Class notes & Summaries

Chem 103 Quiz 2

CHEM 1021 Week 15 quiz docx CHEM 1021 WEEK 15 QUIZ LATEST UPDATE 2023 / 2024 PASS A++ Question 1 of 25 4.0 Points A sample of a gas occupies 1.40 × 103 mL at 25°C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg? • A. 1,400 mL • B. 2,800 mL • C. 2,100 mL • D. 1,050 mL • E. 700 mL Question 2 of 25 4.0 Points 9.45 g of liquid hexane (C6H14) is introduced into a 10.0 L vessel containing 13.15 atm of oxygen gas at 21ºC and ignited, ...

CHEM 1021 Week 15 quiz docx CHEM 1021 WEEK 15 QUIZ LATEST UPDATE 2023 / 2024 PASS A++ Question 1 of 25 4.0 Points A sample of a gas occupies 1.40 × 103 mL at 25°C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg? • A. 1,400 mL • B. 2,800 mL • C. 2,100 mL • D. 1,050 mL • E. 700 mL Question 2 of 25 4.0 Points 9.45 g of liquid hexane (C6H14) is introduced into a 10.0 L vessel containing 13.15 atm of oxygen gas at 21ºC and ignited, ...

chem 103 portage learning lab exam 1 general chemistry 20223/10/22, 8:50 AM Lab Exam 1 - Requires Respondus LockDown Browser + Webcam: General Chemistry I w/Lab-2021- Kozminski Attempt Time Score LATEST Attempt 1 25 minutes 23.5 out of 30 Score for this quiz: 23.5 out of 30 Submitted Mar 9 at 11:10pm This attempt took 25 minutes. Ques 6 / 10 pts tion 1 Scientific Calculator ( Answer the following five questions: 1. What is the device shown below? 2. What is the wire device put under co...

CHEM 131: Introduction to Chemistry with Lab Test | Complete Guide 2023 Rated 100%. What is the volume in mL of a cube of water with dimensions 11.0 cm × 11.0 cm × 11.0 cm ? A.1.33 × 103 B.1.3 × 103 C.1.33 × 10-3 D.1.331 × 10-3 E.none of the above Answer Key: A Feedback: This is discussed in section 2.8 in the text. Question 5 of 12 0.0/ 4.0 Points When the value 98.54 is rounded to two significant figures, the number should be reported as: A.98 B.98.5 C.99 D.100 E.none of t...

Chem 103 Lab Exam 3 Review Question 1 10 / 10 pts Answer the following two questions: 1. Why was the paper chromatogram sprayed with ninhydrin solution in the chromatogram experiment? 2. Why was no peak for Hydrogen present in the SEM spectrum for aspirin (C9H8O9)? Your Answer: paper chromatogram sprayed with ninhydrin solution because it reacts with amino acids because amino acids are colorless and color compounds are formed allowing us to visualize the spots. ...

Exam (elaborations) CHEM 1021 Week 15 quiz solved (CHEM1021) Question 1 of 25 4.0 Points A sample of a gas occupies 1.40 × 103 mL at 25°C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg? • A. 1,400 mL • B. 2,800 mL • C. 2,100 mL • D. 1,050 mL • E. 700 mL Question 2 of 25 4.0 Points 9.45 g of liquid hexane (C6H14) is introduced into a 10.0 L vessel containing 13.15 atm of oxygen gas at 21ºC and ignite...

Chem 103 Lab Exam 2 Review Question 1 10 / 10 pts Fill in the blanks: 1. A solid formed in a reaction is called a precipitate . 2. Reactions involving solids are always slower than solutions reactions. Answer 1: Correct! precipitate Answer 2: Correct! solids Question 2 10 / 10 pts Fill in the blanks: The reaction of AgNO3 with HCl is a double displacement type reaction. During the reaction of AgNO3 with HCl a white (color) solid (state) is formed. Answer 1: Correct...

Chem 103 Exam 2 2021 / CHEM103 Exam 2 2021 proctored ; Score for this quiz: 100 out of 100