Gen Chem--Chapter 3 lecture notes.ppt (Read
... 3. If both elements are from the same group, the lower element comes first: SiC, BrF3 ...
... 3. If both elements are from the same group, the lower element comes first: SiC, BrF3 ...
Compounds and Equations
... Guiding Question 2: What are the five major types of chemical reactions? Once AB is dissolved, the ions will separate as the polar water molecules pull them apart. The same thing will occur between CD. The A,B,C,D ions are all able to move freely in solution and find new partners. In some cases, th ...
... Guiding Question 2: What are the five major types of chemical reactions? Once AB is dissolved, the ions will separate as the polar water molecules pull them apart. The same thing will occur between CD. The A,B,C,D ions are all able to move freely in solution and find new partners. In some cases, th ...
Chem 115 POGIL Worksheet
... Reactants are written on the left, and products are written on the right. In a balanced equation the total numbers of atoms of each kind on both sides are the same. To achieve a balance, we write coefficients in front of each chemical species, although the number 1 is never written as a coefficient. ...
... Reactants are written on the left, and products are written on the right. In a balanced equation the total numbers of atoms of each kind on both sides are the same. To achieve a balance, we write coefficients in front of each chemical species, although the number 1 is never written as a coefficient. ...
Chapter 3 Molecules, Compounds, and Chemical Equations
... • Empirical Formulas describe the kinds of elements found in the compound and the ratio of their atoms. 9They do not describe how many atoms, the order of attachment, or the shape. 9The formulas for ionic compounds are empirical. The empirical formula for the ionic compound fluorspar is CaCl2. This ...
... • Empirical Formulas describe the kinds of elements found in the compound and the ratio of their atoms. 9They do not describe how many atoms, the order of attachment, or the shape. 9The formulas for ionic compounds are empirical. The empirical formula for the ionic compound fluorspar is CaCl2. This ...
Molecular structure: Diatomic molecules in the rigid rotor and
... between the atoms, where M = MA + MB is the total mass of the molecule, and the relative motion is described by the R = RA - RB . That is, the six coordinates, consisting of the three coordinates, RA = HXA , Y A , Z A L, of atom A and the three coordinates, RB = HXB , YB , ZB L, of atom B, are repla ...
... between the atoms, where M = MA + MB is the total mass of the molecule, and the relative motion is described by the R = RA - RB . That is, the six coordinates, consisting of the three coordinates, RA = HXA , Y A , Z A L, of atom A and the three coordinates, RB = HXB , YB , ZB L, of atom B, are repla ...
Moles and Stoichiometry - Ms. Randall`s Science Scene
... • The only way to get an additional oxygen on the product side is to add another water molecule. • The only way to even things out is to put another hydrogen molecule on the reactant side. • This result can be shown in the equation with coefficients. This makes the equation balanced. ...
... • The only way to get an additional oxygen on the product side is to add another water molecule. • The only way to even things out is to put another hydrogen molecule on the reactant side. • This result can be shown in the equation with coefficients. This makes the equation balanced. ...
Internal Degrees of Freedom of Molecules ( + problem 33)
... The eigenstates of the spherical rotator are labelled by two quantum numbers, the angular momentum, l = 0, 1, 2, . . . , and the projections of the angular momentum (onto some given axis), ml = −l, . . . , −1, 0, 1, . . . , l. For a given l there are (2l + 1) different values of ml . The energy spec ...
... The eigenstates of the spherical rotator are labelled by two quantum numbers, the angular momentum, l = 0, 1, 2, . . . , and the projections of the angular momentum (onto some given axis), ml = −l, . . . , −1, 0, 1, . . . , l. For a given l there are (2l + 1) different values of ml . The energy spec ...
Name #_____
... 20. Given the following Lewis Dot structure, how many electrons are shared between AX? 21. Given the following Lewis Dot structures, how many lone pairs are around the central atom? A. ...
... 20. Given the following Lewis Dot structure, how many electrons are shared between AX? 21. Given the following Lewis Dot structures, how many lone pairs are around the central atom? A. ...
Chapter 10 - galileo.harvard.edu
... wheel has a net forward velocity: 2v v zero not enough information to say back ...
... wheel has a net forward velocity: 2v v zero not enough information to say back ...
Quantum rotor and identical bands in deformed nuclei
... Two extensions of classical rigid rotor dynamics are fonnd in quantum systems with nonzero intrinsic spin S [1,21. One (called the J-rotor in this paper) simply replaces the rotational angular momentum L by the total angular momentum J, where J includes S. This simple model, which has been thoroughl ...
... Two extensions of classical rigid rotor dynamics are fonnd in quantum systems with nonzero intrinsic spin S [1,21. One (called the J-rotor in this paper) simply replaces the rotational angular momentum L by the total angular momentum J, where J includes S. This simple model, which has been thoroughl ...
Formula - Glow Blogs
... c) Magnesium reacting with oxygen to give magnesium oxide d) Calcium carbonate decomposing to give calcium oxide and carbon dioxide e) Potassium hydroxide reacting with carbon dioxide to give potassium carbonate and water. f) Lithium oxide reacting with water to give lithium hydroxide. g) Barium nit ...
... c) Magnesium reacting with oxygen to give magnesium oxide d) Calcium carbonate decomposing to give calcium oxide and carbon dioxide e) Potassium hydroxide reacting with carbon dioxide to give potassium carbonate and water. f) Lithium oxide reacting with water to give lithium hydroxide. g) Barium nit ...
The Mole
... Calculating Empirical Formula from Percent Composition • This is a three step process: • Step 1: Assume that the total mass of the substance is 100g and express the percent of each element in grams. • Step 2: Convert the mass of each element to moles. • Step 3: Convert the mole ratios to whole numb ...
... Calculating Empirical Formula from Percent Composition • This is a three step process: • Step 1: Assume that the total mass of the substance is 100g and express the percent of each element in grams. • Step 2: Convert the mass of each element to moles. • Step 3: Convert the mole ratios to whole numb ...
Chemistry 20H
... 4. Understand that both atoms and mass are conserved in chemical reactions: the law of conservation of mass. 5. Be able to write, understand and read chemical equations. (3.1) 6. Be able to balance chemical equations and understand the principles behind balancing equations. (3.1) 7. Write and balanc ...
... 4. Understand that both atoms and mass are conserved in chemical reactions: the law of conservation of mass. 5. Be able to write, understand and read chemical equations. (3.1) 6. Be able to balance chemical equations and understand the principles behind balancing equations. (3.1) 7. Write and balanc ...
File
... Convert the % composition data to grams. (HINT: If not given grams, use 100 grams of compound to start.) Convert the composition in grams to moles by using molar masses of the elements. (This gives a mole ratio.) Use the numbers from mole ratio to get the smallest possible whole number ...
... Convert the % composition data to grams. (HINT: If not given grams, use 100 grams of compound to start.) Convert the composition in grams to moles by using molar masses of the elements. (This gives a mole ratio.) Use the numbers from mole ratio to get the smallest possible whole number ...
Percent Composition, Empirical and Molecular Formulas Chemists
... If you are given the percent composition in a given mass of compound... 1. Assume you have 100g of the compound > Percent by mass = mass of element 2. Convert each mass to moles 3. If the moles are not whole numbers, divide the moles by the smallest mole of an element 4. If still not whole numbers, ...
... If you are given the percent composition in a given mass of compound... 1. Assume you have 100g of the compound > Percent by mass = mass of element 2. Convert each mass to moles 3. If the moles are not whole numbers, divide the moles by the smallest mole of an element 4. If still not whole numbers, ...
unit 8 – compound stoichiometry
... With this chapter we begin the study of stoichiometry (from the Greek words “stoicheion” which means element and “metron” which means to measure). Stoichiometry involves chemical reaction calculations. There are 2 types of stoichiometry problems: ...
... With this chapter we begin the study of stoichiometry (from the Greek words “stoicheion” which means element and “metron” which means to measure). Stoichiometry involves chemical reaction calculations. There are 2 types of stoichiometry problems: ...
chemistry_chapter_3
... Neutrons and Protons are located in the nucleus of an atom. Electrons orbit around the nucleus. ...
... Neutrons and Protons are located in the nucleus of an atom. Electrons orbit around the nucleus. ...
Chapter 7 - Faculty Web Pages
... Molar Mass The definitions of atomic mass, the mole, and molar mass are all directly or indirectly related to carbon-12. This leads to two important facts: 1. The mass of one atom of carbon-12—the atomic mass of carbon-12—is exactly 12 atomic mass units. 2. The mass of one mole of carbon-12 atoms is ...
... Molar Mass The definitions of atomic mass, the mole, and molar mass are all directly or indirectly related to carbon-12. This leads to two important facts: 1. The mass of one atom of carbon-12—the atomic mass of carbon-12—is exactly 12 atomic mass units. 2. The mass of one mole of carbon-12 atoms is ...
Stoichiometry 2
... bigger number. Since atoms and/or molecules are very small (i.e. to see a collection of atoms, say in your hand, you need a lot of them), the mole is a VERY large number : 1 dozen = 12 things (eggs) 1 mole = 6.02 x 1023 things (e.g. atoms) Task: To get an idea about how many atoms there are in a mol ...
... bigger number. Since atoms and/or molecules are very small (i.e. to see a collection of atoms, say in your hand, you need a lot of them), the mole is a VERY large number : 1 dozen = 12 things (eggs) 1 mole = 6.02 x 1023 things (e.g. atoms) Task: To get an idea about how many atoms there are in a mol ...
Name_______________________________________________
... a. A molecule can exist only if two of the same type of atom are bonded. b. The strength of attraction between charged particles depends only on the type of atom involved in the bond. c. An atom of any element is a unit that can stand on its own. d. The strength of attraction between charged particl ...
... a. A molecule can exist only if two of the same type of atom are bonded. b. The strength of attraction between charged particles depends only on the type of atom involved in the bond. c. An atom of any element is a unit that can stand on its own. d. The strength of attraction between charged particl ...