MOLE: Amount of a substance containing 6.02x1023 particles
... 2. Balance each element in the equation by placing a coefficient in front of each formula. An equation is balanced when the number of atoms of each element is the same on each side of the arrow. The amounts of reactants and products are equal. ...
... 2. Balance each element in the equation by placing a coefficient in front of each formula. An equation is balanced when the number of atoms of each element is the same on each side of the arrow. The amounts of reactants and products are equal. ...
the Note
... Empirical formula – smallest ratio of atoms in a molecule. True Formula or molecular formula – actual ratio of atoms in a molecule, e.g. the empirical formula of a substance is COH2 but its molecular formula is C2O2H4 Percentage Composition – shows percentage of each element in a compound compared t ...
... Empirical formula – smallest ratio of atoms in a molecule. True Formula or molecular formula – actual ratio of atoms in a molecule, e.g. the empirical formula of a substance is COH2 but its molecular formula is C2O2H4 Percentage Composition – shows percentage of each element in a compound compared t ...
3.1 Balancing Chemical Equations
... Macroscopic behaviour is what we observe when we observe physical properties like melting point, phase (i.e. solid, liquid or gas) Proportions in molecules, ions and reactions are the same on the macro- and microscopic (atomic) level ...
... Macroscopic behaviour is what we observe when we observe physical properties like melting point, phase (i.e. solid, liquid or gas) Proportions in molecules, ions and reactions are the same on the macro- and microscopic (atomic) level ...
Document
... Balance the equation to determine how many moles of Fe are needed for every mole of Pt. ...
... Balance the equation to determine how many moles of Fe are needed for every mole of Pt. ...
content review for prerequisite validation - laccd
... 4. Define kinetics, rate law, order of a reaction and activation energy; describe first-order and secondorder reactions; study the relationship between rate constant and equilibrium constant for a reversible reaction. 5. Define chemical equilibrium; calculate the equilibrium constant; study the effe ...
... 4. Define kinetics, rate law, order of a reaction and activation energy; describe first-order and secondorder reactions; study the relationship between rate constant and equilibrium constant for a reversible reaction. 5. Define chemical equilibrium; calculate the equilibrium constant; study the effe ...
Test 4 Review - Ralph C. Mahar
... HCOOH D H+ + COOHSince this is a weak acid, [HCOOH] ͌ 0.100M Ka = [H+][COOH-] = 1.77 x 10-4 [HCOOH] Let x = [H+] = [COOH-] ...
... HCOOH D H+ + COOHSince this is a weak acid, [HCOOH] ͌ 0.100M Ka = [H+][COOH-] = 1.77 x 10-4 [HCOOH] Let x = [H+] = [COOH-] ...
![[A], [B], [C], [D] - Wits Structural Chemistry](http://s1.studyres.com/store/data/000095863_1-918f0427052f54159a7c908528a2e159-300x300.png)
[A], [B], [C], [D] - Wits Structural Chemistry
... For this system to be at equilibrium when [Cl-] is added, the [Pb2+] decreases (reverse reaction). ...
... For this system to be at equilibrium when [Cl-] is added, the [Pb2+] decreases (reverse reaction). ...
Topics 7 and 17 Outlines
... Topics 7 & 17: Equilibrium 7.1 Equilibrium Essential idea: Many reactions are reversible. These reactions will reach a state of equilibrium when the rates of the forward and reverse reaction are equal. The position of equilibrium can be controlled by changing the conditions. Nature of science: Obtai ...
... Topics 7 & 17: Equilibrium 7.1 Equilibrium Essential idea: Many reactions are reversible. These reactions will reach a state of equilibrium when the rates of the forward and reverse reaction are equal. The position of equilibrium can be controlled by changing the conditions. Nature of science: Obtai ...
Determination of the reaction order Determination of the reaction
... in the reaction rate (acceleration). Sometimes, however, the desired effect is slowing the reaction down. Such a process is known as inhibition and the „negative catalysts” – as inhibitors. Inhibitors are frequently used in fighting corrosion (if unavoidable then at least slow it down) and in cosmet ...
... in the reaction rate (acceleration). Sometimes, however, the desired effect is slowing the reaction down. Such a process is known as inhibition and the „negative catalysts” – as inhibitors. Inhibitors are frequently used in fighting corrosion (if unavoidable then at least slow it down) and in cosmet ...
Entropy - Department of Mathematics
... electron transfer reactions in supramolecular systems and green chemistry. The research projects are supported by the Ministry of Science and Technology (MOST), the CAS, the Ministry of Education and the National Science Foundation of China (NSFC). Employing experimental and theoretical methods, suc ...
... electron transfer reactions in supramolecular systems and green chemistry. The research projects are supported by the Ministry of Science and Technology (MOST), the CAS, the Ministry of Education and the National Science Foundation of China (NSFC). Employing experimental and theoretical methods, suc ...
Final exam questions for Chemical Engineer BSc
... 20. Conductivity of electrolytes, ionic motion. Conductance and conductivity of electrolyte solutions. Measurement of conductivity. Molar conductivity and its dependence on concentration: weak and strong electrolytes. The Kohlrausch law of the independent migration of ions. Ionic motion in electric ...
... 20. Conductivity of electrolytes, ionic motion. Conductance and conductivity of electrolyte solutions. Measurement of conductivity. Molar conductivity and its dependence on concentration: weak and strong electrolytes. The Kohlrausch law of the independent migration of ions. Ionic motion in electric ...
AP Chemistry Syllabus
... that it undergoes. Advanced Placement Chemistry examines the fundamental principles of the science of Chemistry from both macroscopic (descriptive and quantitative) and microscopic viewpoints. Topics include: matter, nomenclature, chemical stoichiometry and reactions, atomic theory and electronic st ...
... that it undergoes. Advanced Placement Chemistry examines the fundamental principles of the science of Chemistry from both macroscopic (descriptive and quantitative) and microscopic viewpoints. Topics include: matter, nomenclature, chemical stoichiometry and reactions, atomic theory and electronic st ...
3.9-10 Redox titrations
... Redox titrations • These are based on the same principles as acid-base titrations but involves the transfer of electrons rather than the transfer of protons • You need an indicator species which is any chemical that will change colour when all of the oxidising agent has been used up ...
... Redox titrations • These are based on the same principles as acid-base titrations but involves the transfer of electrons rather than the transfer of protons • You need an indicator species which is any chemical that will change colour when all of the oxidising agent has been used up ...