Converting moles to grams Study guides, Class notes & Summaries

describe the basic functions all life forms must accomplish -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes p...

atomic number CORRECT ANSWER The same as the number of protons in the nucleus of an element; it is also the same as the number of electrons surrounding the nucleus of an element when it is neutrally charged. mass number CORRECT ANSWER The sum of an atom's neutrons and protons isotopes CORRECT ANSWER Atoms of an element with different numbers of neutrons Avogadro's number CORRECT ANSWER 6.022×10²³ particles per one mole Moles CORRECT ANSWER grams/molar mass Standard Temperatur...

atomic number - Answer The same as the number of protons in the nucleus of an element; it is also the same as the number of electrons surrounding the nucleus of an element when it is neutrally charged. mass number - Answer The sum of an atom's neutrons and protons isotopes - Answer Atoms of an element with different numbers of neutrons Avogadro's number - Answer 6.022×10²³ particles per one mole Moles - Answer grams/molar mass Standard Temperature and Pressure (STP)...

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...

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)...

Chapter 1—The Foundations of Chemistry MULTIPLE CHOICE 1. Which of the following statements is incorrect? a. A body in motion possesses kinetic energy because of its motion. b. An object possesses potential energy because of its position or composition. c. Nuclear energy is an important kind of potential energy. d. Chemical reactions and physical changes that release energy to their surroundings are endothermic. e. The Law of Conservation of Matter and Energy states that the combined ...

Name Clas Dat : s: e: Chapter 01 - Measurements in Science and Medicine 1. An appropriate unit to measure the length of a football field would be the meter. ANSWER: True ANSWER: True ANSWER: True a. b. True False 2. Using a unit of mg to measure the mass of a premature infant would not be appropriate because the mass of the infant would be a very large number. a. b. True False 3. The memory capacity of a flash drive is measured in gigabytes so that the capacity can be expressed ...

● Stoichiometry is the use of quantitative relationships between substances that are involved in chemical reactions which determine the amounts of the reactants or the products (Bauer, Birk, & Mar ks, 2019). Stoichiometry - the process of determining the amounts of substances in a chemical reaction (Bauer, Birk, & Marks, 2019). ● It is used to relate the reactants and products by using calculations and balanced equations (Bauer, Birk, & Marks, 2019). ● By knowing the amount of a reactant o...

Gizmos Student Exploration Stoichiometry Answers Key. Avogadro’s number, balanced equation, cancel, coefficient, conversion factor, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Activity A: Moles Get the Gizmo ready: ● Check that the equation is still: Fe2O3 + 3CO 2Fe + 3CO2 ● If not, click New equation until it reappears. Question: How do scientists find the molecular mass and molar mass of a substance? 1. Calculate: The molecular mass of a molecule is the...

Gizmos Student Exploration Stoichiometry Answers Key. Avogadro’s number, balanced equation, cancel, coefficient, conversion factor, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Activity A: Moles Get the Gizmo ready: ● Check that the equation is still: Fe2O3 + 3CO 2Fe + 3CO2 ● If not, click New equation until it reappears. Question: How do scientists find the molecular mass and molar mass of a substance? 1. Calculate: The molecular mass of a molecule is the...