Molar mass of a vapor Study guides, Class notes & Summaries

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) MODULE 1 EXAM Question 1 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 = smalle...

Chapter 03 Stoichiometry: Ratios of Combination 1. Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. A. 469.73 amu B. 283.88 amu C. 190.97 amu D. 139.88 amu E. 94.97 amu 2. Calculate the formula mass of rubidium carbonate, Rb2CO3. A. 340.43 amu B. 255.00 amu C. 230.95 amu D. 145.47 amu E. 113.48 amu 3. Calculate the formula mass of (NH4)3AsO4. A. 417.80 amu B. 193.05 amu C. 165.02 amu D. 156.96 amu E. 108.96 a...

Version 1 1 CHAPTER 1 1) Which technique creates a three-dimensional dynamic image of blood vessels? A) Digital subtraction angiography B) Magnetic resonance imaging C) Dynamic spatial reconstruction D) Positron emission tomography 2) Magnetic resonance imaging is based on the movement of A) electrons in a magnetic field. B) carbons in a magnetic field. C) protons in a magnetic field. D) cells in a magnetic field. 3) The delivery of a radioactive compound to the body to study the met...

Intermolecular forces and how they affect physical properties /purification techniques: dipole-dipole, electrostatic, hydrogen, ion, london, - Answer-*dipole-dipole*: polar covalent molecules such as aldehydes and ketones. positive and negative end. polar molecules must be close together for force to be significant. weaker than ion-dipole forces; increase with polarity of molecule. *electrostatic*: occur between charged species, cations and anions, and are responsible for very high MP and B...

Highest: Nh3 SbH3 AsH3 PH3 The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. Dispersion What is the strongest type of intermolecular force present in H2? Co2 Identify the compound that does not have dipole-dipole forces as its strongest force. 1 and 2 Which of the following must be overcome during the boiling of acetonitrile, CH3CN? 1. dispersion forces 2. dipole-dipole forces 3. hydrogen bonds I>III&gt...

1. The molecular formula of a particular solid is C8H4O6. Its molecular mass is a. 288 amu. b. 100 amu. c. 296 amu. d. 196 amu. e. 170 amu. ANSWER: d POINTS: 1 DIFFICULTY: easy REFERENCES: 3.1 LEARNING OBJECTIVES: GENE.EBBI.13.67 - Calculate the formula mass from a formula. (Example 3.1) TOPICS: mass and moles of substance stoichiometry KEYWORDS: molecular mass OTHER: general chemistry 2. The hydrocarbon octane has the structural formula CH3(CH2)...

1 FINAL EXAM CHEM 219 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ The speed of a wave (c) is the product of its frequency (ν) and wavelength (λ). Correct Answer: E = hv = h x c / λ nm to m or m to nm Correct Answer: 1 m / 10^9 nm or 10^9 nm / 1 m What is the maximum number of electrons that can have the quantum numbers n = 3, ℓ = 2, mℓ = -2? Correct Answer: The Pauli exclusion principle states that no two electrons in a given atom can share the sa...

Chapter 03 - Mass Relationships in Chemical Reactions Multiple Choice Questions Chapter 03 Mass Relationships in Chemical Reactions 1. An atom of helium has a mass about four times greater than that of an atom of hydrogen. Which choice makes the correct comparison of the redative numbers of helium and hydrogen atoms in equal masses of the two elements? A. There are about four times as many helium atoms as hydrogen atoms. B. There are about two times as many helium atoms as hydrogen atoms. C...

Chem 1020 Final Exam Study Guide Questions| with Complete Solutions Matter. Any solid, liquid, gas, or plasma that occupies space and has a mass. Mixture. A combination of two or more substances that are not chemically combined. Homogeneous. A single-phase combination of solids, liquids, or gases with a uniform distribution of its constituents throughout the substance. Heterogeneous. A single-phase combination of solids, liquids, or gases that are not uniformly distribu...

CHM 1020 Exam 1 Latest 2023 Rated A+ matter any solid, liquid, gas, or plasma that occupies a space and has mass homogeneous mixture mixture that is uniform throughout (solution) heterogeneous mixture mixture that is not uniform throughout atoms smallest unit of an element element many atoms of the same type; most basic building blocks compounds different elements bonded together (pure substance) chemical symbols one or two letter abbreviation for elements (atomic symbols) group vertical...