Chem 101 midterm - Study guides, Class notes & Summaries

CHEM 101 IVY TECH MIDTERM EXAM WITH QUESTIONS AND COMPLETE WELL EXPLAINED ANSWERS 100%CORRECTLY VERIFIED LATEST UPDATE 2024 VERSION Which of the following is considered a hypothesis (as opposed to an observation)? Birds can fly because they have hollow bones Which of the following would be considered a theory? Helium balloons float because helium is less dense than air. Which of the statements below is NOT part of the scientific method? All of the above steps are part of the scientific me...

CHEM 101 MIDTERM EXAM IVY TECH EXAM COMPLETE 233QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

Chem Midterm 3 2 questions and answers |A+ content Which of the following aqueous systems has the highest pH? A) 0.1 M HA, pKa = 11.89 D) 0.1 M HBO, pKa = 2.43 B) 0.1 M HMO, pKa = 8.23 E) pure water C) 0.1 M HA, pKa = 4.55 E. Pure water Which of the following acids has the lowest pH? 0.1 M HBO, pKa = 2.43 0.1 M HA, pKa = 4.55 0.1 M HMO, pKa = 8.23 0.1 M HST, pKa = 11.89 pure water A) HA B) HST C) HMO D) HBO E) pure water D. HBO What is the pH of a 0.20 M HCl solution? ...

CHEM 120 Unit 4 Midterm Exam 1. The correct isotope symbol for the isotope containing 1 proton and two neutrons – He 2. Which are the elements with the following electronic configuration: 1s2 2 s2 2p6 3s1 – Sodium 1s2 2s2 2p5- Fluorine 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2 – Geremanium (Ge) 3. Provide 4 examples of substances with ionic bonds LiF - Lithium Fluoride, LiCl - Lithium Chloride, LiBr – Lithium Bromide, LiI - Lithium Iodide, Nacl,Calcium Nitrate 5. Name the following: N2S3 - dinitr...

CHEM 120 Unit 4 Midterm 1. The correct isotope symbol for the isotope containing 1 proton and two neutrons – He 2. Which are the elements with the following electronic configuration: 1s2 2s2 2p6 3s1 – Sodium 1s2 2s2 2p5- Fluorine 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2 – Geremanium (Ge) 3. Provide 4 examples of substances with ionic bonds LiF - Lithium Fluoride, LiCl - Lithium Chloride, LiBr – Lithium Bromide, LiI - Lithium Iodide, Nacl,Calcium Nitrate 5. Name the following: N2S3 - dinitrogen t...

CHEM 120 Unit 4 Midterm 1. The correct isotope symbol for the isotope containing 1 proton and two neutrons – He 2. Which are the elements with the following electronic configuration: 1s2 2s 2 2p6 3s1 – Sodium 1s2 2s2 2p5- Fluorine 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2 – Geremanium (Ge) 3. Provide 4 examples of substances with ionic bonds LiF - Lithium Fluoride, LiCl - Lithium Chloride, LiBr – Lithium Bromide, LiI - Lithium Iodide, Nacl,Calcium Nitrate 5. Name the following: N2S3 - dinitrogen ...