Chemistry 101 chem101 - Study guides, Class notes & Summaries

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

STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS

STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS

total number of neutrons and protons in an atom; # protons + # electrons p Most nonmetallic elements are found in which block of the periodic table? Positive matter is concentrated in the central core Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... Potassium Plants use up copious amounts of which alkali metal, preventing most of it from being washed out to sea? 2:1:1:2 What is the ratio of reactants and products in the chemical equation? __N...

Question 1 Correct 5.00 points out of 5.00 Aluminum sulfate, Al2(SO4)3, is used in tanning leather, purifying water, and the manufacture of antiperspirants. Calculate its formula mass. Select one: A. 342.17 amu B. 315.15 amu C. 278.02 amu D. 74.98 amu E. 450.06 amu Question 2 Correct 5.00 points out of 5.00 Calculate the molar mass of sulfuric acid. Select one: A. 98.086 g/mol B. 49 g/mol C. 81.078 g/mol D. 41 g/mol E. None of the answers is correct. Straighterline CHEM101...

Question 1 Correct 4.00 points out of 4.00 The SI base unit of mass is Select one: A. g. B. metric ton. C. mg. D. lb. E. kg. Question 2 Correct 4.00 points out of 4.00 The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees Fahrenheit? Select one: A. –289°F B. –321°F C. –127°F D. 662°F E. 177°F Straighterline CHEM101 General Chemistry I Midterm Exam (New Version June 2024) We are a team of experts offering class attendance for all Stra...

Everything you need to know to ace chem 101. all content is summarized, diagrams included and the most difficult aspects are broken down! al you need to understand quantum mechanics, basic chem, definitions, gas laws, equilibrium, balancing, acids, bases and organic chem. includes diagrams and colour codes for guided studies.