Chapter 4 Chemical Quantities and Aqueous Reactions
... 5. If either product is insoluble, write the formulas for the products after the arrow – writing (s) after the product that is insoluble and will precipitate, and (aq) after products that are soluble and will not precipitate 6. Balance the equation ...
... 5. If either product is insoluble, write the formulas for the products after the arrow – writing (s) after the product that is insoluble and will precipitate, and (aq) after products that are soluble and will not precipitate 6. Balance the equation ...
mass mass calc
... Solution #1 shows the pattern most often used by students in this course because it tends to be the one that is the most flexible when new problems are presented later on. Choose one of the three methods that suits you best or make up your own. Regardless of how you choose to solve these problems, b ...
... Solution #1 shows the pattern most often used by students in this course because it tends to be the one that is the most flexible when new problems are presented later on. Choose one of the three methods that suits you best or make up your own. Regardless of how you choose to solve these problems, b ...
Molar Mass
... To calculate formula mass of Na2SO4, • Multiply the atomic mass of each element by its subscript • Total the masses 2 Na x 22.99 amu = 45.98 amu ...
... To calculate formula mass of Na2SO4, • Multiply the atomic mass of each element by its subscript • Total the masses 2 Na x 22.99 amu = 45.98 amu ...
CHAPTER 3 STOICHIOMETRY:
... For molecular compounds: The formula weight is also called the molecular weight (MW). For ionic compounds: No separated molecules so it called specifically the formula weight (FW). For Elements: In case of isolated atoms is called atomic weight (AW). FW of NaCl = 23 amu + 35.5 amu = 58.5 amu ...
... For molecular compounds: The formula weight is also called the molecular weight (MW). For ionic compounds: No separated molecules so it called specifically the formula weight (FW). For Elements: In case of isolated atoms is called atomic weight (AW). FW of NaCl = 23 amu + 35.5 amu = 58.5 amu ...
Ch. 11-12 Supplements
... HOMEWORK OPTIONS: 1) Do all problems a-f and have your total score out of 48 points. 2) Do all problems, but omit parts d,e,f for a total of 32 points. (I will have two different columns in my grade book. One with the larger point total, and one with the smaller point total.) Do what you feel is an ...
... HOMEWORK OPTIONS: 1) Do all problems a-f and have your total score out of 48 points. 2) Do all problems, but omit parts d,e,f for a total of 32 points. (I will have two different columns in my grade book. One with the larger point total, and one with the smaller point total.) Do what you feel is an ...
chemistry module p
... All atoms of Carbon will be identified by Atomic Number 6, having this number of protons within its nucleus. The nuclei of most carbon atoms contain also 6 neutrons giving a combines mass number of 12. But statistically, a very small proportion of carbon atoms in nature have 8 neutrons, thus giving ...
... All atoms of Carbon will be identified by Atomic Number 6, having this number of protons within its nucleus. The nuclei of most carbon atoms contain also 6 neutrons giving a combines mass number of 12. But statistically, a very small proportion of carbon atoms in nature have 8 neutrons, thus giving ...
Solved Examples
... How much 0.115 M KI solution in liters is required to completely precipitate the Pb 2+ in 0.104 L of 0.225 M Pb(NO3)2 solution? You are given the concentration of a reactant, KI, in a chemical reaction. You are also given the volume and concentration of a second reactant, Pb(NO3)2 You are asked to f ...
... How much 0.115 M KI solution in liters is required to completely precipitate the Pb 2+ in 0.104 L of 0.225 M Pb(NO3)2 solution? You are given the concentration of a reactant, KI, in a chemical reaction. You are also given the volume and concentration of a second reactant, Pb(NO3)2 You are asked to f ...
Default Normal Template
... At constant T the law reduces to Boyle’s law: Pi Vi = Pf Vf At constant pressure Vi = Vf reduces to Charle’s law Ti Tf At constant volume Pi = Pf reduces to gayLussac’s law Ti Ti w STP standard temperature and pressure: 1 atm ...
... At constant T the law reduces to Boyle’s law: Pi Vi = Pf Vf At constant pressure Vi = Vf reduces to Charle’s law Ti Tf At constant volume Pi = Pf reduces to gayLussac’s law Ti Ti w STP standard temperature and pressure: 1 atm ...
Sample Chapter - Chapter 4
... attraction between them. To see how it does this, let’s examine the water molecule closely. Water’s power as an ionizing solvent results from two features of the water molecule: the distribution of its bonding electrons and its overall shape. Recall from Section 2.7 that the electrons in a covalent ...
... attraction between them. To see how it does this, let’s examine the water molecule closely. Water’s power as an ionizing solvent results from two features of the water molecule: the distribution of its bonding electrons and its overall shape. Recall from Section 2.7 that the electrons in a covalent ...
Stoichiometry, Lab Basics, Reactions
... E) It can be calculated with knowledge only of the volume of the container. ____ 20. Two flexible containers for gases are at the same temperature and pressure. One holds 0.50 grams of hydrogen and the other holds 8.0 grams of oxygen. Which of the following statements regarding these gas samples is ...
... E) It can be calculated with knowledge only of the volume of the container. ____ 20. Two flexible containers for gases are at the same temperature and pressure. One holds 0.50 grams of hydrogen and the other holds 8.0 grams of oxygen. Which of the following statements regarding these gas samples is ...
GCE Getting Started - Edexcel
... Teaching ideas: Using key words to describe ionic structure Exam practice ...
... Teaching ideas: Using key words to describe ionic structure Exam practice ...
Solubility
... The Formation & Dissolution of Precipitates • Solubility: maximum amount of solute that will dissolve in a given amount of solvent (depends on solvent, temperature and pressure) No compound is infinitely soluble and no compound is perfectly insoluble. Solute Solubility (g solute/100 g solvent) ...
... The Formation & Dissolution of Precipitates • Solubility: maximum amount of solute that will dissolve in a given amount of solvent (depends on solvent, temperature and pressure) No compound is infinitely soluble and no compound is perfectly insoluble. Solute Solubility (g solute/100 g solvent) ...
- Angelo State University
... Chemical Reactions and Chemical Equations • A chemical reaction occurs when atoms of different elements combine and create a new chemical compound, with properties which may be completely unlike those of its constituent elements. • A chemical reaction is written in a standard format called a chemica ...
... Chemical Reactions and Chemical Equations • A chemical reaction occurs when atoms of different elements combine and create a new chemical compound, with properties which may be completely unlike those of its constituent elements. • A chemical reaction is written in a standard format called a chemica ...
1412_lecture_ch16 Fall_2014
... What is the molar solubility of calcium oxalate in 0.15 M calcium chloride? The Ksp for calcium oxalate is 2.3 x 10-9. Therefore, the molar solubility of calcium oxalate in 0.15 M CaCl2 is 1.5 x 10-8 M. In pure water, the molarity was 4.8 x 10-5 M, which is over 3000 times greater. ...
... What is the molar solubility of calcium oxalate in 0.15 M calcium chloride? The Ksp for calcium oxalate is 2.3 x 10-9. Therefore, the molar solubility of calcium oxalate in 0.15 M CaCl2 is 1.5 x 10-8 M. In pure water, the molarity was 4.8 x 10-5 M, which is over 3000 times greater. ...
Stoichiometry: Calculations with Chemical Formulas and Equations
... (a) With the exception of mercury, all metals are solids at room temperature. Fluorine occurs as a diatomic molecule. Thus, the reactants are Li(s) and F2(g). The product will be composed of a metal and a nonmetal, so we expect it to be an ionic solid. Lithium ions have a 1+ charge, Li+, whereas flu ...
... (a) With the exception of mercury, all metals are solids at room temperature. Fluorine occurs as a diatomic molecule. Thus, the reactants are Li(s) and F2(g). The product will be composed of a metal and a nonmetal, so we expect it to be an ionic solid. Lithium ions have a 1+ charge, Li+, whereas flu ...