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CHEM 161 Bundle| All Lectures| Test Questions with Correct answers Rated A 2023
CHEM 161 Bundle| All Lectures| Test Questions with Correct answers Rated A 2023
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CHEM 161 EXAM 1 Question with complete Answers LATEST UPDATE 2023 RATED A+
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scientific theory explains how/why. based on observations/experiments, makes testable predictions, changes over time based on new evidence, can be falsifiable scientific law predicts what happens
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CHEM 161 EXAM 2 Questions with complete Answers Rated A+
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actual yield the experimental quantity, in grams, of product obtained in a reaction. Avogadro’s number the number of particles (6.022 x 10^23) of a substance in 1 mol of that substance. By definition, Avogadro’s number is equal to the number of carbon-12 atoms in exactly 12.00 g of carb...
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Add to cartactual yield the experimental quantity, in grams, of product obtained in a reaction. Avogadro’s number the number of particles (6.022 x 10^23) of a substance in 1 mol of that substance. By definition, Avogadro’s number is equal to the number of carbon-12 atoms in exactly 12.00 g of carb...
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Chem 161 Final Exam questions with complete Answers latest update 2023 rated A+
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Beta particle emission that is a high energy electron. the electron comes from a neutron so when it is emitted, the atomic number goes up by one, but the atomic mass remains the same alpha particle emission that is basically a helium nucleus (2+ charge), so when it is emitted the atomic num...
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Add to cartBeta particle emission that is a high energy electron. the electron comes from a neutron so when it is emitted, the atomic number goes up by one, but the atomic mass remains the same alpha particle emission that is basically a helium nucleus (2+ charge), so when it is emitted the atomic num...
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CHEM 161 Lecture 1 questions with complete Answers 2023 LATEST UPDATE RATED A+
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What are the SI Base Units? length (meter); Mass (kilogram); time (seconds); temperature (kelvin); amount of a substance (mole); electric current (ampere); luminous intensity (candela) What’s the SI Base Unit for length? meter
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Add to cartWhat are the SI Base Units? length (meter); Mass (kilogram); time (seconds); temperature (kelvin); amount of a substance (mole); electric current (ampere); luminous intensity (candela) What’s the SI Base Unit for length? meter
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Chem 161 Lecture 2 Questions with complete Answers 2023 UPDATE RATED A+
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How can matter be classified? Matter: Purity: 1. Pure Substances A. Elements B. Compounds 2. Mixtures A. Homogenous Solutions B. Heterogenous Solutions
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Add to cartHow can matter be classified? Matter: Purity: 1. Pure Substances A. Elements B. Compounds 2. Mixtures A. Homogenous Solutions B. Heterogenous Solutions
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Chem 161 Lecture 3 questions with complete Answers 2023 UPDATE RATED A+
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What is a mole? number of atoms that has a mass equal to the AMU in grams What is Avogadro’s number? 6.022 x 10^23 atoms/mole What is wavelength? distance between each wave unit λ
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Add to cartWhat is a mole? number of atoms that has a mass equal to the AMU in grams What is Avogadro’s number? 6.022 x 10^23 atoms/mole What is wavelength? distance between each wave unit λ
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Chem 161 Lecture 4 questions with complete answers 2023 UPDATE RATED A+
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What is the threshold frequency? v0 = if you vary the frequency of the incident light, it is found that there is a certain minimum threshold frequency below which no electrons are emitted What happens if you are below the threshold frequency? No electrons are emitted regardless of the brightn...
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Add to cartWhat is the threshold frequency? v0 = if you vary the frequency of the incident light, it is found that there is a certain minimum threshold frequency below which no electrons are emitted What happens if you are below the threshold frequency? No electrons are emitted regardless of the brightn...
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Chem 161 Lecture 5 questions with complete Answers LATEST UPDATE 2023 RATED A+
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What are the four quantum values? n is the principal quantum number. It determines the main energy level. Values of n are 1,2,3,4,5,…… ℓ is the angular momentum quantum number. It determines the shape of the orbital Values of ℓ vary from 0 to n-1 mℓ is the magnetic quantum number....
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Add to cartWhat are the four quantum values? n is the principal quantum number. It determines the main energy level. Values of n are 1,2,3,4,5,…… ℓ is the angular momentum quantum number. It determines the shape of the orbital Values of ℓ vary from 0 to n-1 mℓ is the magnetic quantum number....
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Chem 161 Lecture 6 questions with complete Answers 2023 latest UPDATE RATED A+
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What is ionization energy? Ionization energy is defined as the energy required to remove an electron from a gaseous atom. What is the formula for ionization energy? X (g) + energy –> E+(g) + e
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Add to cartWhat is ionization energy? Ionization energy is defined as the energy required to remove an electron from a gaseous atom. What is the formula for ionization energy? X (g) + energy –> E+(g) + e
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Chem 161 Lecture 7 question with correct Answers 2023 latest UPDATE RATED A+
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What is ionic lattice? An ionic lattice is a long-range array of positive and negative ions, held together by electrostatic attraction What is ionic lattice measured in? kJ/mol
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Add to cartWhat is ionic lattice? An ionic lattice is a long-range array of positive and negative ions, held together by electrostatic attraction What is ionic lattice measured in? kJ/mol
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