Chem 1110 - Study guides, Class notes & Summaries

Name the molecule below: CH3 6 5 4 3 | 2 1 H3C---CH2---CH---CH---CH---CH3 | | CH3 CH2 | CH3 - 3-ethyl-2,4-dimethylhexane In the reaction below, which two substances are acting as Brønsted-Lowry acids? HPO^2-4(aq)=HC2O^-4(aq)⇌C2O^2^-4(aq)+H2PO^-4(aq) - H2PO^-4 and HC2O^-4 What substances are produced when an acid reacts with a base - a salt and water Which of the following metals react with dilute H2SO4 to form hydrogen gass - all of

How many Sig Figs in 0.008202 - 4 How many sig figs would be in the answer of 6.6 multiplied by 3.56007 - 2 How can we calculate the number of neutrons? - Number of neutrons = mass number (A) - number of protons/ atomic number (Z) How can we calculate the atomic charge? - Atomic charge= number of protons- number of electrons Avogadro's number - 6.022 x 10^23. The number of particles in exactly one mole of a pure substance atomic mass unit (amu) - one twelfth the mass of a carbon-12 a...

density formula -d = m/v m = mass v = volume temp conversions -K = C + 273 C = 5/9 (F - 32) F = (C x 9/5) + 32 average atomic mass formula -(mass A)(% abundance) + (mass B)(% abundance) molecular mass formula -(mass A)(# of atoms A) + (mass B)(# of atoms B) mass of element formula -(mass of element in sample / total mass of sample) * 100 molarity with moles formula -M = n/v M = molarity n = moles of solute v = liters of solution molarity with mass formula -(M)(m...

CHEM 1110 Exam 2 Study Guide with complete solutions 100%2023

CHEM 1110 exam 1

Chemistry - study of composition, structures, and properties of matter Matter - is anything that occupies space and has mass Mass - defines the quantity of matter Energy - is the capacity to do work Matter Flow Chart - Centrifugation - a process for separating particles by applying a centripetal force to allow sedimentation of a heterogeneous mixture Filtration - a process for separating particles from a liquid or gass by passing the mixturenthrough a medium that retians particles

CHEM 1110 Exam 3 Study Guide verified answers 100%

CHEM 1110: Final Exam Review (Past Exam Questions) with Answers Which of the following is not a pure substance? a.) air b.) sodium chloride c.) water d.) zinc ANSWER a.) air The result of the operation (23.259 - 3.000)*0.01010 should be reported as: a.) 0.2 b.) 0.20 c.) 0.205 d.) 0.2046 ANSWER d.) 0.2046 The number 0. in scientific notation is: a.) 3.461 x 10^-4 b.) 3.461 x 10^-5 c.) 3.461 x 10^5 d.) 34.61 x 10^-5 ANSWER b.) 3.461 x 10^-5 300 K equals a.) 573 °C b.) 19...

CHEM 1110 Final Exam Review with Questions and Answers Air occupies space and has mass, therefore it is a. Energy b. Dense c. Colored d. Matter ANSWER d Which of the following represents a physical change in matter a. A substance solidifies at 443 b. A substance produces a gas when heated c. A substance burns when heated d. A substance changes color when exposed to air ANSWER a Which of the following terms correctly applies to a molecule of CO2 a. Triatomic, heteroatomic b. Po...

Chem 1110 Exam 1 with complete solutions 100%2023