Chem 110 Samenvattingen, Aantekeningen en Examens

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

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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...

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CHEM 1110 exam 1 Ionic bonds are those formed between metal and nonmetal atoms, or, between cations and anions. True False - correct answer TRUE The process of making french toast. WHICH IS IT? chemical reaction physical change - correct answer CHEMICAL CHANGE The color of the sky changes from blue to red as the sun sets. WHICH IS IT? chemical reaction physical change - correct answer PHYSICAL CHANGE After dissolving silver nitrate (a clear, colorless solid) in water, a sol...

CHEM 1110 Exam 3 Study Guide verified answers 100% Chemical Reaction - correct answer A description of the chemical process that results in the interconversion of chemical substances so that at least one new substance is produced Most chemical reactions can be classified into just a few reaction types a. True b. False - correct answer a What is the minimum number of new substances that needs to be formed in a chemical reaction? - correct answer 1 What is the maximum number of new s...

CHEM 1110 Final Exam Review passed 100% Air occupies space and has mass, therefore it is a. Energy b. Dense c. Colored d. Matter - correct 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 - correct answer a Which of the following terms correctly applies to a molecule of CO2 a. Triatomic, heteroatomic ...

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