Chemistry 101 - Study guides, Class notes & Summaries

Chemistry 101 Latest Exam With Verified Answers 2024|2025 Strong Acids Correct Answer: undergo complete ionization: HI HBr HCl HNO₃ HClO₃ HClO₄ H₂SO₄ Strong Bases Correct Answer: do not undergo complete ionization: KOH NaOH LiOH CsOH RbOH Ba(OH)₂ Ca(OH)₂ Sr(OH)₂ Strong Electrolytes Correct Answer: conduct electricity and undergo complete dissociation: HCl HNO₃ HClO₄ H₂SO₄ NaOH Ba(OH)₂ Weak Electrolytes Correct Answer: conduct some electr...

Chemistry 101 Midterm Ivy Tech (1-4) | Questions and answers | Latest 2024/25

Chemistry 101 - Exam -1(solved & updated)

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 ...

Chemistry 101 Final Ivy Tech 2024

Chemistry 101 Final Ivy Tech Questions With Complete Solution | 2024 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 - - C Which of the following is TRUE? A. Stoichiometry allows prediction of how much of the reactants are ne...

The two types of reactions atoms can undergo are c________ and n______. chemical, nuclear There are diseases that can be treated by _______ medicine. nuclear Brainpower Read More Chemical reactions produce new ________ compounds Nuclear reactions produce new ________. elements nuclear reactions... -produce new elements -involve the nucleus -temperature/pressure DO NOT affect the rate chemical reactions... -produce new compounds -involve electrons ...

A sealed bag of potato chips will expand when taken to a higher altitude. This is an example of Boyle's Law. True False ~ True A solution contains 100.0 g of water, 10.0 g NaCl, and 15.0 g methanol. What is the mass percent of methanol in the solution? A. 8.00% B. 10.00% C. 12.0% D. 15.0% E. none of the above ~ C The solubility of a gas in a liquid can always be increased by: A. increasing the temperature of the solvent B. decreasing the polarity of the solvent C. decreas...

Chemistry 101 WSU Finnegan Exam 1 with Complete Solutions NH4+ Ammonium ion SO4 2- Sulfate ion NO3- Nitrate ion OH- hydroxide ion PO4 3- Phosphate ion CO3 2- carbonate ion C2H3O2- acetate ion SO3 2- sulfite ion HSO3- Hydrogen Sulfite HSO4 - Hydrogen Sulfate S2O3 2- thiosulfate ion HCO3- Hydrogen Carbonate HPO4 2- hydrogen phosphate H2PO4- dihydrogen phosphate CrO4 2- chromate Cr2O7 2- dichromate ion NO2- Nitrite ion ClO- hypochlorite Cl...

CHEMISTRY 101 MIDTERM 1