Chemistry 101 final exam - Study guides, Class notes & Summaries

Chemistry 101 Final Ivy Tech Exam Questions with 100% Verified Correct Answers Graded A+ Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is: O2 + Mg ⟶ 2 MgO If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form? A. 8 Moles B. 2 Moles C. 4 Moles D. 1 Mole E. Not Enough Info - Correct Answer C Which of the following is TRUE? A. Stoichiometry allows predic...

Chemistry 101 Final Exam Ivy Tech 2024/2025 A+ score assured

CHEM 101 Final Ivy Tech Exam| 155 Questions With Verified Answers What is the definition of a scientific theory? Correct Answer: a model that explains the underlying reasons for observations and laws What term best describes a brief statement that summarizes many past observations and predicts new ones? Correct Answer: scientific law Which of the following is an example of a scientific law? Correct Answer: In a chemical reaction, matter is neither created nor destroyed. Which of the ...

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 - ANSWERSa. 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 - ANSWERSb. 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 mixt...

CHEMISTRY 101 IVY TECH FINAL EXAM 2024 NEWEST ACTUAL EXAM 2 VERSIONS (VERSION A AND B) COMPLETE 250 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+

Chemistry 101 Final Exam Ivy Tech Questions And Correct Answers What is the mass percent of hydrogen in water? a: 5.60 b: 11.2 c: 33.3 d: 88.8 - ANSWER : b How many atoms are in 5.80 moles of He? a: 3.49 × 10^24 b: 6.02 × 10^23 c: 1.03 × 10^23 d: 4.00 - ANSWER : a What is the value of n when the empirical formula is C3H5 and the molecular mass is 205.4 g/mol? a: 10 b: 0.02 c: 140 d: 5 - ANSWER : d How many atoms are in 15.6 grams of silicon? a: 0.555 b: 3.34 × 10^23 ...

TEST BANK ANATOMY AND PHYSIOLOGY OPENSTAX Table of Contents 1. An Introduction to the Human Body ................................................................................................................. 2 2. The Chemical Level of Organization ................................................................................................................ 7 3. The Cellular Level of Organization ..................................................................................................