Avogadro’s law - Study guides, Class notes & Summaries

Vocabulary : Avogadro’s number, chemical equation, chemical formula, chemical reaction, coefficient, combination, combustion, conservation of matter, decomposition, double replacement, molar mass, mole, molecular mass, molecule, product, reactant, single replacement, subscript Prior Knowledge Questions (Do these BEFORE using the Gizmo .) 1. A candle is placed on one pan of a balance, and an equal weight is placed on the other pan. What would happen if you lit up the candle and waited for...

Chapter 03: Patient Safety, Communication, and Record Keeping Test Bank MULTIPLE CHOICE 1. Which of the following is/are a potential area of risk to patients receiving respiratory care? a. movement or ambulation b. electrical shock c. fire hazards d. all the above ANS: C The key areas of potential risk are (1) patient movement and ambulation, (2) electrical hazards, and (3) fire hazards. DIF: Recall REF: p. 42 OBJ: 2| 3 2. Lifting heavy objects is best done with whic...

1. Which of the following elements is found in the same period of the periodic table as tin? a. silicone b. arsenic c. tellurium d. technetium ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 2. Which element is the first one in the group IVA(14) of the periodic table? a. C b. Na c. Sc d. Ti ANSWER: a POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False ...

Chapter 1—Matter, Measurements, and Calculations MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. The mass of an object is a. the force between the object and the earth. b. a measure of the amount of matter in the object. c. the amount of space the object occupies. d. depends on the location of the object on the earth. ANS: B PTS: 1 Any two objects are attracted to each other by _____ . a. gravity c. magnetism b. electrostatic forces d. all of them ANS: A PTS: 1 How is the weight of ...

CHAPTER 3: Chemical Foundations: Elements, Atoms, and Ions 1. What is the most abundant element on the Earth (including the crust, oceans, and atmosphere)? A. silicon B. oxygen C. hydrogen D. iron E. carbon ANS: B PTS: 1 TOP: Test: Chapter Test NOT: worldofchem_2013 2. What is the most abundant element found in the human body? A. oxygen B. water C. hydrogen D. calcium E. carbon ANS: A PTS: 1 TOP: Test: Chapter Test NOT: worldofchem_2013 3. The symb...

CHEM 120 Week 4 Physical States of Matter Questions and Answers- Chamberlain College Atlanta Physical States of Matter WEEK 4 1. Match the term with the definition: Particles are tightly packed in a set pattern, with a fixed volume and shape. --- Particles are close together with no regular pattern of arrangements; has a set volume that will take the shape of the container it is placed in --- Particles are well separated with no arrangement, and does not have a set volume but rather adapt...

I Three States of Matter II Gases and Pressure III Gas Laws IV Avogadro’s Law Ideal Gas Law VI Dalton’s Law and Partial Pressure VII Intermolecular Forces, Boiling Point, and Melting Point VIII Liquid State IX Solid State X Specific Heat XI Energy and Phase Changes XII Heating and Cooling Curves

Balancing Chemical Equations WEEK 3 1. Sodium bromide reacts with calcium chloride to form sodium chloride and calcium bromide. Which of these chemical reactions represents the balanced reaction? a. NaBr + CaCl2 → NaCl + CaBr2 b. 2 NaBr + CaCl2 → 2 NaCl + CaBr2 c. NaBr + 2 CaCl2 → NaCl + 2 CaBr2 d. NaBr + CaCl → NaCl + CaBr Balanced chemical equations have the same number of each atom on each side of the arrow. This equation is correct: 2 NaBr + CaCl2 2 → NaCl + CaBr2 2. The...

The document explains Avogadro’s Law and its applications. It emphasizes how Avogadro’s Law is crucial in various practical applications where the volume of gas is related to the number of moles and how it can be used to solve related problems.

Vocabulary: atmosphere, Avogadro’s law, Boyle’s law, Charles’s law, dependent variable, directly proportional, Gay-Lussac’s law, ideal gas, ideal gas constant, ideal gas law, the independent variable, inversely proportional, Kelvin temperature scale, kilopascal, mole, pressure, proportionality, STP, volume