CHEM 1201 LSUE BORILL EXAM 1 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

CHEM 1201 LSUE BORILL EXAM 1 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS An element has three stable isotopes with masses of 27.977 amu, 28.976 amu, and 29.973 amu. The heavier two isotopes have an abundance of 4.68% and 3.09%, respectively. What is the mass of the element? A) 27.684 amu B) 29.251 amu C) 28.085 amu D) 30.107 amu E) 28.991 amu - Answer -28.085 amu All of the following will lead to a homogeneous mixture EXCEPT A) sugar and coffee.Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: B) mud and water. C) salt and water. D) ice tea and lemonade. E) vinegar and water. - Answer -mud and water. How are gases different from solids and liquids? A) Gases can only be made up of atoms. B) The particles in a gas attract each other much more strongly than in solids and liquids.