Study guides, Class notes & Summaries

Chemistry 101 Exam 1 WSU Questions And Answers Already Passed How many electrons can an orbital hold? ️️2 How many electrons does the second shell (n=2) hold? ️️8 How many electrons does the third shell (n=3) hold? ️️18 What do like charges do? ️️Like charges (positive-positive or negative-negative) repel each other What is the generic valence level electron configuration for the halogens (group 7A)? ️️ns²np⁵ What is the generic valence level electron configur...

Science of chemistry - Correct Answer the study of matter and the changes that matter undergoes - is responsible for a host of advances in areas which clearly impact our everyday lives. major subdivisions of chemistry - Correct Answer biochemistry, organic chemistry, inorganic chemistry, analytical chemistry and physical chemistry. Biochemistry - Correct Answer is the study of life at the molecular level and processes associated with life, such as reproduction, growth, and respiration. ...

Chem 101 final exam questions with complete solutions Ionic Compound - Correct Answer a compound composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal Covalent Compound - Correct Answer a chemical compound formed by the sharing of electrons The Ideal Gas Law - Correct Answer PV = nRT. Tells you how a gas responds to a change in its physical conditions. change P, V or T, and the others adjust Stoichiometry - Correct...

Chemistry 101 Final Ivy Tech Exam Questions With Correct Answers 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 - Answer C Which of the following is TRUE? A. Stoichiometry allows prediction of how much of the reacta...

Chemistry 101 Final WSU Latest Update Graded A+ Measure of chaos within a system Entropy Do gases have low or high entropy? High Do solids have low or high entropy? Low A change from low entropy to high entropy has a positive or negative ΔS? Positive ΔS As entropy increases does the amount of moles increase or decrease Decrease Positive ΔS favors spontaneity or non-spontaneity? Spontaneity What happens to ΔG when put in a reversed reaction? It remains the same value b...

Chemistry 101 Exam 1 WSU Questions and Answers Already Passed How many electrons can an orbital hold? 2 How many electrons does the second shell (n=2) hold? 8 How many electrons does the third shell (n=3) hold? 18 What do like charges do? Like charges (positive-positive or negative-negative) repel each other What is the generic valence level electron configuration for the halogens (group 7A)? ns2np5 What is the generic valence level electron configuration for the alkali met...

STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS

Straighterline CHEM101 Final Exam with Reviewed Questions and Answers 100% A+ Pass Mass Number - CORRECT ANSWER-total number of neutrons and protons in an atom; # protons + # electrons p - CORRECT ANSWER-Most nonmetallic elements are found in which block of the periodic table? Positive matter is concentrated in the central core - CORRECT ANSWER-Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... Potassium - CORRECT ANSWER-Plants use up co...

Straighterline Chemistry Final Review Exam & Updated Correctly Answered A+ Graded 100% Excel Questions. 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 - CORRECT 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 - CORRECT ANSWER-b. Hypothesis If a liquid contains 60% sug...

CHEMISTRY 101 MIDTERM IVY TECH (1-4)