Chapter 3: Calculations with Chemical Formulas
... The molecular equation for the process is: CaCO3(s) + 2HNO3(aq) Ca(NO3)2(aq) + H2O(l) + CO2(g) The corresponding net ionic equation is CaCO3(s) + 2H+(aq) Ca2+(aq) + H2O(l) + CO2(g) ...
... The molecular equation for the process is: CaCO3(s) + 2HNO3(aq) Ca(NO3)2(aq) + H2O(l) + CO2(g) The corresponding net ionic equation is CaCO3(s) + 2H+(aq) Ca2+(aq) + H2O(l) + CO2(g) ...
Notes
... 3. Which has the greater oxidation potential, Br-‐ or I-‐? 4. Which has the greater reduction potential, Cr3+ or Sn2+? 5. What is the reduction potential of Ag+? 6. What is the oxidation potential of Ca ...
... 3. Which has the greater oxidation potential, Br-‐ or I-‐? 4. Which has the greater reduction potential, Cr3+ or Sn2+? 5. What is the reduction potential of Ag+? 6. What is the oxidation potential of Ca ...
Class Notes
... The law of conservation of mass (aka: the law of conservation of matter) says that during a chemical reaction or a physical change mass is conserved; mass is neither created nor destroyed. This implies that the atoms that were there in the reactants (before the chemical change) must be there in the ...
... The law of conservation of mass (aka: the law of conservation of matter) says that during a chemical reaction or a physical change mass is conserved; mass is neither created nor destroyed. This implies that the atoms that were there in the reactants (before the chemical change) must be there in the ...
Summary - Clydebank High School
... 2. The covalent radius of the elements ................................................ from left to right across a period and .................................................. from top to bottom within a group. 3. The .................................................. in covalent radius from left ...
... 2. The covalent radius of the elements ................................................ from left to right across a period and .................................................. from top to bottom within a group. 3. The .................................................. in covalent radius from left ...
Keq Assignment
... Pay close attention to the physical states! NOTES: You must include the charge when writing ions, otherwise your answer is incorrect. Do not balance these equations using fractions for coefficients. a) sulfur dioxide gas combines with oxygen gas to produce sulfur trioxide gas ...
... Pay close attention to the physical states! NOTES: You must include the charge when writing ions, otherwise your answer is incorrect. Do not balance these equations using fractions for coefficients. a) sulfur dioxide gas combines with oxygen gas to produce sulfur trioxide gas ...
Topic 1: Quantitative Chemistry
... Deduce which ions will be formed when elements in groups 1,2,3 lose electrons. 4.1.4: Deduce which ions will be formed when elements in groups 5,6, and 7 gain electrons. 4.1.5: State that transition elements can form more than one ion. 4.1.6: Predict whether a compound of two elements would be ionic ...
... Deduce which ions will be formed when elements in groups 1,2,3 lose electrons. 4.1.4: Deduce which ions will be formed when elements in groups 5,6, and 7 gain electrons. 4.1.5: State that transition elements can form more than one ion. 4.1.6: Predict whether a compound of two elements would be ionic ...
Chapter 7 Plasma Basics
... spacing, gas species and chamber design. In most plasma processing chambers, the ionization rate is less than 0.01%. The ionization rate of high density plasma (HDP) source such as inductively coupled plasma (ICP) or electron cyclotron resonance (ECR), is much higher, which is about 1~ 5%. Ion ...
... spacing, gas species and chamber design. In most plasma processing chambers, the ionization rate is less than 0.01%. The ionization rate of high density plasma (HDP) source such as inductively coupled plasma (ICP) or electron cyclotron resonance (ECR), is much higher, which is about 1~ 5%. Ion ...
Measurement of the force exerted on the surface of an object
... At x/x0 = 1/3 the pendulum becomes unstable, i.e. a small (positive) deflection brings it into a position from where on the attractive force is higher than the restoring force, and the plates snap together. This is the reason, why only measurements for x < x0 /3 are shown in Figure 3. In order to avo ...
... At x/x0 = 1/3 the pendulum becomes unstable, i.e. a small (positive) deflection brings it into a position from where on the attractive force is higher than the restoring force, and the plates snap together. This is the reason, why only measurements for x < x0 /3 are shown in Figure 3. In order to avo ...
Part II - American Chemical Society
... (12%) 5.60 g of solid carbon is placed in a rigid evacuated 2.5 L container. Carbon dioxide is added to the container to a final pressure of 1.50 atm at 298 K. a. Calculate the number of moles of each reactant in the container originally. 2 CO(g) ∆H˚ = 173 kJ b. The container is heated to 1100 K and ...
... (12%) 5.60 g of solid carbon is placed in a rigid evacuated 2.5 L container. Carbon dioxide is added to the container to a final pressure of 1.50 atm at 298 K. a. Calculate the number of moles of each reactant in the container originally. 2 CO(g) ∆H˚ = 173 kJ b. The container is heated to 1100 K and ...
MOLECULAR ORBITAL THEORY AND BONDING NOTES
... by symmetry since these three AOs all have a1 irreducible representations in the C∞v symmetry of the AH molecule. 2px and 2py orbitals are strictly non-bonding by symmetry alone since they transform to e1. ...
... by symmetry since these three AOs all have a1 irreducible representations in the C∞v symmetry of the AH molecule. 2px and 2py orbitals are strictly non-bonding by symmetry alone since they transform to e1. ...
Sequential nonadiabatic excitation of large molecules and ions
... and modified by electron correlation effects even for twoelectron atoms 关20兴. For multielectron atoms, large populations of electronically excited atoms have been detected in the above-threshold ionization 共ATI 关21兴兲 photoelectron spectra following nonresonant strong field atomic excitation using a ...
... and modified by electron correlation effects even for twoelectron atoms 关20兴. For multielectron atoms, large populations of electronically excited atoms have been detected in the above-threshold ionization 共ATI 关21兴兲 photoelectron spectra following nonresonant strong field atomic excitation using a ...
Chapter 7: Chemical Formulas and Chemical Compounds
... Oxidation numbers do not have an exact physical meaning. However they do come in handy when naming compounds, writing formulas, and balancing chemical equations. As a general rule in assigning oxidation numbers, shared electrons are assumed to belong to the more-electronegative atom in each bond. He ...
... Oxidation numbers do not have an exact physical meaning. However they do come in handy when naming compounds, writing formulas, and balancing chemical equations. As a general rule in assigning oxidation numbers, shared electrons are assumed to belong to the more-electronegative atom in each bond. He ...
Science 10 student notes
... Ionic Compounds Bonds are created by the transfer of electrons High melting point Distinct crystal shape Formed from metallic and non-metallic elements Forms ions in solution Conducts electricity when dissolved in water Solid at room temperature ...
... Ionic Compounds Bonds are created by the transfer of electrons High melting point Distinct crystal shape Formed from metallic and non-metallic elements Forms ions in solution Conducts electricity when dissolved in water Solid at room temperature ...
1 chemistry of the nonmetals
... (b) Calcium metal is oxidized in this reaction and the H ions from water are reduced. Ca 2 H2O ...
... (b) Calcium metal is oxidized in this reaction and the H ions from water are reduced. Ca 2 H2O ...
Elements, Compounds, and Chemical Equations
... 1. Counting Subatomic Particles: Use the periodic table • The atomic number is the same as the number of protons. • The number of protons is the same as the number of electrons. • The mass number is the protons added to the neutrons. ...
... 1. Counting Subatomic Particles: Use the periodic table • The atomic number is the same as the number of protons. • The number of protons is the same as the number of electrons. • The mass number is the protons added to the neutrons. ...
Plasma and Flames - Coalition for Plasma Science
... In a cool gas, the atoms are generally electrically neutral; each atom has a positively charged nucleus surrounded by a number of negatively charged electrons that exactly balance the positive charge. But if the gas temperature is high enough, particle collisions can remove some electrons from atoms ...
... In a cool gas, the atoms are generally electrically neutral; each atom has a positively charged nucleus surrounded by a number of negatively charged electrons that exactly balance the positive charge. But if the gas temperature is high enough, particle collisions can remove some electrons from atoms ...
Chemistry 2 Higher revision mark scheme
... for 1 mark these free electrons carry the electric current for 1 mark from left to right across the period, atoms of elements have more free electrons gains 1 mark but from left to right across the period, atoms of elements have more free electrons because they have more electrons in the outer shell ...
... for 1 mark these free electrons carry the electric current for 1 mark from left to right across the period, atoms of elements have more free electrons gains 1 mark but from left to right across the period, atoms of elements have more free electrons because they have more electrons in the outer shell ...
revised preliminary introduction of spectroscopy
... pair in the ground state, which lowers the energy of the n orbital. Often the reverse (i.e. red shift) is seen for π → π* transitions. This is caused by attractive polarisation forces between the solvent and the absorbing molecule, which lower the energy levels of both the excited and unexcited stat ...
... pair in the ground state, which lowers the energy of the n orbital. Often the reverse (i.e. red shift) is seen for π → π* transitions. This is caused by attractive polarisation forces between the solvent and the absorbing molecule, which lower the energy levels of both the excited and unexcited stat ...
p-Block Elements, Part 1
... 2nd period: Only s and p orbitals are possible with n = 2 Therefore, the maximum number of bonds is 4 (single and/or double bonds) Examples: CH4, NF4+, BH43rd (and higher periods): can use d-orbitals to make bonds E.g. ...
... 2nd period: Only s and p orbitals are possible with n = 2 Therefore, the maximum number of bonds is 4 (single and/or double bonds) Examples: CH4, NF4+, BH43rd (and higher periods): can use d-orbitals to make bonds E.g. ...
Chapter 15 Notes - Mr. Julien`s Homepage
... 1. The sum of the oxidation numbers in a molecule is equal to zero (0), or for a polyatomic ion, the sum of the oxidation numbers is equal to the charge. 2. The oxidation number of an element (monoatomic or diatomic) is zero (0). 3. The oxidation number of a monoatomic ion is equal to its charge. 4. ...
... 1. The sum of the oxidation numbers in a molecule is equal to zero (0), or for a polyatomic ion, the sum of the oxidation numbers is equal to the charge. 2. The oxidation number of an element (monoatomic or diatomic) is zero (0). 3. The oxidation number of a monoatomic ion is equal to its charge. 4. ...
6. NaF
... the higher group number is written second in the name. Rule 2. If both elements are in the same group, the element with the higher period number is written first in the name. Rule 3. The second element in the name is named as if it were an anion, i.e., by adding the suffix -ide to the name of the el ...
... the higher group number is written second in the name. Rule 2. If both elements are in the same group, the element with the higher period number is written first in the name. Rule 3. The second element in the name is named as if it were an anion, i.e., by adding the suffix -ide to the name of the el ...
File
... Equations must be balanced – have same number of each kind of atom in reactants and products, since atoms are not created or destroyed in chemical reactions (law of conservation of mass) 2 Na + 2 H2O 2NaOH + H2, balanced 2, 2, 2, (1) are stoichiometric coefficients - coefficients are relative numb ...
... Equations must be balanced – have same number of each kind of atom in reactants and products, since atoms are not created or destroyed in chemical reactions (law of conservation of mass) 2 Na + 2 H2O 2NaOH + H2, balanced 2, 2, 2, (1) are stoichiometric coefficients - coefficients are relative numb ...
Chemistry Unit Outcomes
... List the names of the first persons to recognize that it would be convenient to represent chemical substances using symbols? 2. Outline what John Dalton, an English chemist, did in 1808. 3. Explain how Dalton represented element and why there was a problem with Dalton’s system. 4. Define the term ch ...
... List the names of the first persons to recognize that it would be convenient to represent chemical substances using symbols? 2. Outline what John Dalton, an English chemist, did in 1808. 3. Explain how Dalton represented element and why there was a problem with Dalton’s system. 4. Define the term ch ...
pH scale. Buffer solutions. Colligative properties of solutions
... Buffer solutions The amount of carbon dioxide in the blood is coupled to the amount present in the lungs. Second, the equilibrium between carbonic acid and bicarbonate ion: H2CO3 (aq) ↔ HCO3− (aq) + H+ (aq), pK = 6.37. These reactions lead to the presence in solution the conjugate pair HCO3−/H2CO3 ...
... Buffer solutions The amount of carbon dioxide in the blood is coupled to the amount present in the lungs. Second, the equilibrium between carbonic acid and bicarbonate ion: H2CO3 (aq) ↔ HCO3− (aq) + H+ (aq), pK = 6.37. These reactions lead to the presence in solution the conjugate pair HCO3−/H2CO3 ...