Chem120 week 3 exam - Study guides, Class notes & Summaries

CHEM120 Week 8: Exam 3 (Units 5, 6, and 7) – With 100% Correct Answers- Download To Score An A+ 1. Question: (TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine t he number of grams of H3PO4 needed to prepare 0.25L of a 0.2M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.2 M H3PO4 solution can be prepared by diluting 50 mL of a 5M H3PO4 solution? Show your work. (Pts. : 10) A. Molarity = moles of solute/liters of solution moles of solute ...

CHEM120 Week 3 Exam 1 – With 100% Correct Answers- Download To Score An A+ You're conducting a study on the effects of carrot consumption on blood pressure. you will be giving carrots to part icipants in your study and monitoring their blood pressure over several months B the amount of carrots consumed by the participant You have an isotope that has a mass number of 195 and contains 116 neutrons what isotope is this C Gold 79 Determine which ion has the ground state electron configuration of 1...

CHEM 120 Week 5 Exam 2 (Units 3 and 4)

CHEM 120 Week 8 Exam 3 (Units 5, 6, and 7)

Multiple Choice questions: Q 1-40. Highlight or mark the correct answer. (2 point each) 1. The following is a polymer. 2. The following is a naturally occurring polymer. 3. The following is true for Addition polymers. 4. The following is true for condensation polymers. 5. The following is always a reactant in hydrolysis reaction in a cell. 6. Hydrocarbons are made of and 7. As you increase the length of hydrocarbon chain, the molecules becomes more . 8. Ionizing radiation 9. “...

Answer the following questions (1 point each) to add up to 5 points back to your exam score. 1. Question: Choose any isotope of an element and answer the following a. Write the isotopic formula b. How many neutrons in the isotope? c. How many protons are in the isotope? d. How many electrons are in the isotope? e. What is the mass number for the isotope? 2. Question: Choose any molecular compound with 3 to 5 atoms in it. a. Draw the Lewis structure. b. Give step by step directions...

1. You re conducting a study on the effects of carrot consumption on blood pressure. you will be giving carrots to participants in your study and monitoring their blood pressure over several months 2. Which of the following substances contain ionic bonds? 3. What is the name of the compound N 4. Which of the following species would you expect form intermolecular hydrogen bonds? 5. In an experiment you calculate that 6.50 gram of liquid has a volume of 2.50 ml…. What is the mass of a 160 l...

CHEM 120 Week 3 Exam 1 (Units 1 & 2)

CHEM 120 Week 3 Exam 1 (Units 1 and 2)

CHEM120 Students: The first exam in your science course is approaching. The General Education Academic Support is here to help. What can you do ahead of Exam 1? 1. Attend a live exam review Thursday, May 12th 6 PM MT Exam 1 Review Join Meeting here: Click here to join 2. Watch the recording of an exam review Click here to watch recorded exam review 3. Schedule a 1:1 appointment with a tutor Click here to book 4. Review the topic videos from weeks 1 and 2 Click her to review ...