Chem 103 Study guides, Class notes & Summaries

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 = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. ...

CHEM 103 MODULE 1 TO 6 EXAM LATEST 2022-2023 QUESTIONS & CORRECT ANSWERS PORTAGE LEARNING|COMPLETE AGRADE

Chem 103 Module 6 Exam Questions With 100% Correct Answers calorie (cal) - answerunit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree Celsius; 1 cal is defined as 4.184 J endothermic process - answerchemical reaction or physical change that absorbs heat energy - answerthe capacity to supply heat or do work exothermic process - answerchemical reaction or physical change that releases heat joule (J) - answerSI unit of energy; 1 joule is the kineti...

Portage Chemistry Test 4 Exam Questions With 100% Correct Answers Voltaic cell - answergenerate electrical energy through spontaneous chemical reactions Electrolytic cells - answeruses electrical energy to drive nonspontaneous chemical reactions What electrochemical half-reaction occurs at the anode - answerOxidation What electrochemical half-reaction occurs at the cathode - answerReduction Why is the lead-acid battery secondary/storage battery - answerBecause it is rechargeable Why is th...

Chem 103 Polyatomic Ions Exam Questions With 100% Correct Answers Hydroxide - answerOH⁻ Ammonium - answerNH₄⁺ Nitrite - answerNO₂⁻ Nitrate - answerNO₃⁻ Perchlorate - answerClO₄⁻ Chlorate - answerClO₃⁻ Chlorite - answerClO₂⁻ hypochlorite - answerClO⁻ carbonate - answerCO₃²⁻ Hydrogen Carbonate - answerHCO₃⁻

Chem 103: Module 4 Exam Questions And Answers (Verified And Updated) Avogadro's number - answer6.022 x 10^23 atoms = 1 mole 1 u = ___ g - answer1.661 x 10 ^-24 g formula mass - answerthe sum of the average atomic masses of each atom represented in the chemical formula and is expressed in atomic mass units. --The formula mass of a covalent compound is also called the molecular mass. The chemical identity of a substance is defined by - answerthe types and relative numbers of atoms composi...

CHEM 103: Module 1 Exam Questions And Answers (Verified And Updated) physical quantity: length - answername of unit: meter symbol: m physical quantity: mass - answername of unit: gram symbol: g physical quantity: time - answername of unit: second symbol: s physical quantity: temperature - answername of unit: Kelvin symbol: K Unit Prefixes: Mega - answerAbbreviation: M Meaning: 10^6m = 1 Mm Unit Prefixes: Kilo - answerAbbreviation: K Meaning: 10^3m = 1 km Unit Prefixes: centi - answ...

Chem 103 Exam 5 Questions And Answers 100% Verified high pH - answerbasic = more OH low pH - answeracidic= more H pH greater than PI pH=PI PI greater than PH - answer-1 0 +1 isomer - answersame but different order and structure enzyme - answerincrease rate of section behaving as a catalyst subgroup of protein catalyst - answerdecreases activation ener

vPortage Chemistry 103 Elements & Symbols Aluminum - answerAl Antimony - answerSb (from stibium) Argon - answerAr Arsenic - answerAs Barium - answerBa Beryllium - answerBe Bismuth - answerBi Boron - answerB Bromine - answerBr Cadmium - answerCd Calcium - answerCa Carbon - answerC Chlorine - answerCl Chromium - answerCr Cobalt - answerCo Copper - answerCu (from cuprum

CHEM 103 Final Exam Questions And Answers (Verified And Updated) Which of the following is an example of a physical property? a. Ability to change color b. Flammability c. Density d. Solubility Exam 1 - answerc. Density Which of the following is evidence of a chemical change? a. Releasing bubbles of gas b. Floating in water c. Crystallization d. Vaporization e. None of the above Exam 1 - answera. Releasing bubbles of gas According to the metric system, 1 m = 0.001 what? a. cm b....

Portage Learning General Chemistry 103 Exam Questions With 100% Correct Answers What is a binary compound? - answerTwo different kinds of elements: a metal and non metal What does ionic mean? - answerNon-metal How do your figure out the charges of non-metals? - answerGroup number in the periodic table - 8 How do you figure out the charges of a metal? - answerPositive group number What is a binary molecular compound? - answerContains 2 elements that are 2 non mental Ex: (BCl3) Boron Tric...