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CHEMISTRY IM 06 SYLLABUS
... The syllabus is intended for candidates who have followed an introductory course in chemistry. It attempts to consolidate this knowledge by extending it beyond the limits usually set at Secondary Education Certificate (SEC) level to cover more advanced concepts in chemistry which are dealt with in a ...
... The syllabus is intended for candidates who have followed an introductory course in chemistry. It attempts to consolidate this knowledge by extending it beyond the limits usually set at Secondary Education Certificate (SEC) level to cover more advanced concepts in chemistry which are dealt with in a ...
Chemistry Final Exam Study Guide_S2014
... From each pair, pick the one with the greater entropy: a. NH3(g) and NH3(l) c. CO2(s) and CO2(g) b. NH3(g) and NH3(aq) d. KBr(s) and KBr(l) State whether the reaction shown indicates an increase or a decrease in entropy: a. C2H5OH(s) C2H5OH(l) f. PCl5(g)PCl3(g) +Cl2(g) b. H2O(g) H2O(l) g. 2CO(g ...
... From each pair, pick the one with the greater entropy: a. NH3(g) and NH3(l) c. CO2(s) and CO2(g) b. NH3(g) and NH3(aq) d. KBr(s) and KBr(l) State whether the reaction shown indicates an increase or a decrease in entropy: a. C2H5OH(s) C2H5OH(l) f. PCl5(g)PCl3(g) +Cl2(g) b. H2O(g) H2O(l) g. 2CO(g ...
Chemical Reactions and Stoichiometry
... iv. NEVER change the chemical formulas subscripts. d. Steps to balancing a skeletal equation (page 270-271) i. Have the correct skeletal equation. Check that your reactants are on the left. Check that your products are on the right. Check that all formulas are written correctly - net charges of zero ...
... iv. NEVER change the chemical formulas subscripts. d. Steps to balancing a skeletal equation (page 270-271) i. Have the correct skeletal equation. Check that your reactants are on the left. Check that your products are on the right. Check that all formulas are written correctly - net charges of zero ...
CHEMISTRY IM 06 SYLLABUS
... The syllabus is intended for candidates who have followed an introductory course in chemistry. It attempts to consolidate this knowledge by extending it beyond the limits usually set at Secondary Education Certificate (SEC) level to cover more advanced concepts in chemistry which are dealt with in a ...
... The syllabus is intended for candidates who have followed an introductory course in chemistry. It attempts to consolidate this knowledge by extending it beyond the limits usually set at Secondary Education Certificate (SEC) level to cover more advanced concepts in chemistry which are dealt with in a ...
4 • Reactions In Aqueous Solution
... equation for the reaction of washing soda, Na2CO3 and vinegar, HC2H3O2. ...
... equation for the reaction of washing soda, Na2CO3 and vinegar, HC2H3O2. ...
Structure of Thrmodynamics
... Primitive property of a body is specified by subjecting the body to an operation or a test, that requires no previous knowledge of the body, the result of which at a specific time is the value of the primitive property at that time. A primitive property may be determined without the need to change t ...
... Primitive property of a body is specified by subjecting the body to an operation or a test, that requires no previous knowledge of the body, the result of which at a specific time is the value of the primitive property at that time. A primitive property may be determined without the need to change t ...
Chemical reactions
... exothermic (use as a mnemonic the case of water, which formation reaction coincides with the combustion reaction H2+½O2=H2O and hf⊕=−286 kJ/mol); for alkanes, for instance, they are all negative with absolute values increasing with molecular size: −75 kJ/mol for CH4, −126 kJ/mol for n-C4H10, −250 kJ ...
... exothermic (use as a mnemonic the case of water, which formation reaction coincides with the combustion reaction H2+½O2=H2O and hf⊕=−286 kJ/mol); for alkanes, for instance, they are all negative with absolute values increasing with molecular size: −75 kJ/mol for CH4, −126 kJ/mol for n-C4H10, −250 kJ ...
Student Activity PDF - TI Education
... 3. For each word equation given on page 2.10, use the Chemical Balance tool on page 2.11 to balance the equation and record it in the table. First, write the balanced equation using the element symbols. Record the number of atoms of each element in the reactant (left side) and the products (right si ...
... 3. For each word equation given on page 2.10, use the Chemical Balance tool on page 2.11 to balance the equation and record it in the table. First, write the balanced equation using the element symbols. Record the number of atoms of each element in the reactant (left side) and the products (right si ...
Chemistry Review 3
... 17. A gas sample is at 25oC and 1.0 atmosphere. Which changes in temperature and pressure will cause this sample to behave more like an ideal gas? 1. decreased temperature and increased pressure 3. increased temperature and increased pressure 2. decreased temperature and decreased pressure 4. increa ...
... 17. A gas sample is at 25oC and 1.0 atmosphere. Which changes in temperature and pressure will cause this sample to behave more like an ideal gas? 1. decreased temperature and increased pressure 3. increased temperature and increased pressure 2. decreased temperature and decreased pressure 4. increa ...
Maths for Chemistry Facts and Formulae
... The mole is the amount of substance that contains 6.0221415× 1023 (Avogadro constant/ mol−1 ) atoms or molecules of the pure substance being measured. For example 1 mole (mol) of potassium will contain NA atoms. 1 mole of water contains NA water molecules. A mole of any substance contains as many at ...
... The mole is the amount of substance that contains 6.0221415× 1023 (Avogadro constant/ mol−1 ) atoms or molecules of the pure substance being measured. For example 1 mole (mol) of potassium will contain NA atoms. 1 mole of water contains NA water molecules. A mole of any substance contains as many at ...
Title - Iowa State University
... 12) Empirical formula for a substance is CH2O and has a molar mass 180g/mol. What is the molecular formula? a) C6H12O6 b)CH2O c)C2H4O2 d)C3H6O3 13) Write down the empirical formula of the following compound given the following information: 63.5% Silver, 8.2% Nitrogen and remaining oxygen. ...
... 12) Empirical formula for a substance is CH2O and has a molar mass 180g/mol. What is the molecular formula? a) C6H12O6 b)CH2O c)C2H4O2 d)C3H6O3 13) Write down the empirical formula of the following compound given the following information: 63.5% Silver, 8.2% Nitrogen and remaining oxygen. ...
VALIDITY OF HENRY`S LAW IN DILUTE SOLUTIONS (l)
... quantities from which it follows that in case of positive deviation for both solvents B' x' and B"x" have indeed to be subtracted from each other. If the mole fraction increases in both phases both Bx type quantities increase simultaneously, however, if B'/B" is approximately equal to x"/x' the diff ...
... quantities from which it follows that in case of positive deviation for both solvents B' x' and B"x" have indeed to be subtracted from each other. If the mole fraction increases in both phases both Bx type quantities increase simultaneously, however, if B'/B" is approximately equal to x"/x' the diff ...
Document
... Exercise 2: Aqueous Equilibria of Acids and Bases The basic principles of acid/base equilibria are identical to those of general chemical equilibria. Because the topic of acid/base equilibrium is so central to the science of chemistry, it has its own unique terminology. Since the reactions of weak ...
... Exercise 2: Aqueous Equilibria of Acids and Bases The basic principles of acid/base equilibria are identical to those of general chemical equilibria. Because the topic of acid/base equilibrium is so central to the science of chemistry, it has its own unique terminology. Since the reactions of weak ...
High School Chemistry Essential Questions
... kinetic-particle model of matter, and how do we use the kinetic-particle model of matter to represent, analyze, and communicate structure and relationships in chemical systems and chemical interactions? B. What is the atomic model of molecules, what evidence do we have for the atomic model of molecu ...
... kinetic-particle model of matter, and how do we use the kinetic-particle model of matter to represent, analyze, and communicate structure and relationships in chemical systems and chemical interactions? B. What is the atomic model of molecules, what evidence do we have for the atomic model of molecu ...
Full answers
... The pKa of butyric acid is 4.83. (a) What is the pH of a 0.10 M water solution of butyric acid? As pKa = -logKa = 4.83, Ka = 10-4.83. Denoting butyric acid as HA, the initial concentration of [HA(aq)] = 0.10 M. The reaction table is then: ...
... The pKa of butyric acid is 4.83. (a) What is the pH of a 0.10 M water solution of butyric acid? As pKa = -logKa = 4.83, Ka = 10-4.83. Denoting butyric acid as HA, the initial concentration of [HA(aq)] = 0.10 M. The reaction table is then: ...
Chemical equilibrium
In a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time. Usually, this state results when the forward reaction proceeds at the same rate as the reverse reaction. The reaction rates of the forward and backward reactions are generally not zero, but equal. Thus, there are no net changes in the concentrations of the reactant(s) and product(s). Such a state is known as dynamic equilibrium.