Chem103 exam questions - Study guides, Class notes & Summaries

CHEM103 LAB EXAM 1 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

CHEM 103 Final Exam (Latest update, )/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning (QUESTIONS & ANSWERS)

Chem 103 Portage Learning Exam 1 | Questions and Answers Graded A+ Chem 103 Portage Learning Exam 1 | Questions and Answers Graded A+ Chem 103 Portage Learning Exam 1 | Questions and Answers Graded A+

Chem 103 Portage Learning exam 6 | Questions and Answers Graded A+ Chem 103 Portage Learning exam 6 | Questions and Answers Graded A+ Chem 103 Portage Learning exam 6 | Questions and Answers Graded A+

Chem 103 Portage Learning Exam 2 | Questions and Answers Graded A+ Chem 103 Portage Learning Exam 2 | Questions and Answers Graded A+ Chem 103 Portage Learning Exam 2 | Questions and Answers Graded A+

Protons and neutrons are make of quarks. - True The chemical symbol for gold is Ag. - False If 300 students, in a college of 6000, own a cat; then 3.0% are cat owners. - False The number 3020 has 3 significant digits. - True The isotopes: Vanadium-50 and vanadium-51 both have 23 electrons - True All number have some uncertainty associated with them. - False

Module 1 to 6 Exam answers Portage learning Click this link to access the Periodic Table. This may be helpful throughout the exam. Do the conversions shown below, showing all work: 1. 28oC = ? oK 2. 158oF = ? oC 3. 343oK = ? oF 1. 28oC + 273 = 301 oK oC → oK (make larger) +273 2. 158oF - 32 ÷ 1.8 = 70 oC oF → oC (make smaller) -32 ÷1.8 3. 343oK - 273 = 70 oC x 1.8 + 32 = 158 oF oK → oC → oF Question 4 Click this link to access the Periodic Table. This may be helpful throug...

A reaction has an equilibrium constant (Keq) of 50. When performed in the presence of an appropriate enzyme, the forward rate constant is increased 20-fold. What will happen to the reverse rate constant? a. It's unaffected b. It increases 20-fold c. It increases 10-fold d. It decreases 10-fold e. It decreases 20-fold - b. It increases 20-fold DNA is made from the following four building blocks: adenine, guanine, cytosine, and ____________ - Thymine

Sedative or Stimulant: many antihistamines - sedative Sedative or Stimulant:barbiturates - sedative Sedative or Stimulant: adderall - stimulant Sedative or Stimulant: most decongestants - stimulant Sedative or Stimulant: nicotine - stimulant Sedative or Stimulant: ephedrine/ephedra - stimulant

Compare frequency and wavelength - Frequency is the quotient of the speed of light over wavelength. As frequency increases, wavelength decreases What happens to energy when an electron transitions from n=6 to n=2? - Energy is released, producing a photon as the electron moves closer to the ground state What happens to energy when an electron transitions from n=2 to n=6? - Energy is absorbed as the electron moves to an excited state Compare the energy of a photon to its wavelength - Energy ...