Empirical formulas - Study guides, Class notes & Summaries

Straighterline Chemistry Final Exam Questions with Complete Solutions Latest The 80Br- ion has Select one: a. 45 protons, 35 neutrons, 45 electrons. b. 35 protons, 45 neutrons, 34 electrons. c. 35 protons, 45 neutrons, 36 electrons. d. 45 protons, 35 neutrons, 46 electrons. e. 35 protons, 45 neutrons, 46 electrons. - Answer-e. 35 protons, 45 neutrons, 46 electrons. The formula for sodium sulfide is Select one: a. NaS b. K2S c. NaS2 d. Na2S e. SeS - Answer-d. Na2S Which...

What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it called? Select one: a. Solute b. Compound c. Homogeneous mixture d. Heterog...

Straighterline Chemistry Final Exam (ACTUAL) What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it calle...

Straighterline Chemistry Final Exam Test Questions And Answers. What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it calle...

Chapter 3: Chemical Reactions 1. Which of the following cannot be determined from a balanced chemical equation? a. b. c. d. e. ANSWER: POINTS: TOPICS: OTHER: The number of molecules of reactants and products. The number of atoms of each element reacting. The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. e 1 3.1 Chemical Equations Comprehension 2. In the reaction given below, if 12 moles of aluminu...

Probability - Independent Events The occurrence of one event does not affect the probability of the other. -If A and B are independent events, then P(A and B) = P(A)•P(B) Theoretical (Classical) Probability Count the number of outcomes and divide by the total possible outcomes. Theoretical probability requires that the experiment be fair. Empirical Probability (Relative Frequency) Perform the experiment multiple times (trials), count the number of times the event occurs and divided...

EBTM350FinalExamQuestionswithCorrect Solutions. Creating good decision models requires: - Correct Answer -Solid understanding of business functional areas -Knowledge of business practice and research - Logical Skills empirical data - Correct Answer Information gathered from sensory observation and experimentation -Observe something; then develop model that best reflects what we observed spreadsheet engineering - Correct Answer The process of developing good, useful, and correct spreads...

Oct/Nov 2015 QUESTION A N S PAGE NR S QUESTION ANS A N S PAGE NR 1. A psychological theory is best defined as - - - - - S 1. a set of observations of human behavior 2. postulated relationships among constructs 3. statistical inferences based on measurements 2 Study guide: P99-100 2. A master’s student in psychology plans to study human consciousness, following the recent publication of Watson's theory about the nature of consciousness. The main aim of th...

Kines 100 Philosophy Exam with Complete Solutions According to Althusser, who is a philosopher? a.) Only philosopher teachers b.) Philosophy professors and those who read philosophy books and articles c.) Everybody who is willing to adopt a critical attitude towards his or her worldview. d.) Everybody in any situation - Answer-c.) Everybody who is willing to adopt a critical attitude towards his or her worldview. **this is a materialist mindset Why does Althusser argue that philosop...

Formulas to conv. Celsius to Fahrenheit Ans: 1. F = (C x 9/5) +32 2. C = (F +32) x 5/9 Formulas to conv. Kelvin to Celsius Ans: C = K - 273.15 Formula for density Ans: d = m/v How to find neutrons in an isotope? Ans: number given - number of protons (equal to number on periodic table) How to write formulas for ionic compounds Ans: balance charges How to name for molecular compounds Ans: use prefixes How to name ionic compounds Ans: use roman numerals for metals and add ide to non m...