Chemical Reactions
... • The only place you can change any number is the coefficient. • A coefficient is a number written in front of a chemical formula. • Don’t forget diatomic molecules. • Use the smallest ratio of coefficients possible. ...
... • The only place you can change any number is the coefficient. • A coefficient is a number written in front of a chemical formula. • Don’t forget diatomic molecules. • Use the smallest ratio of coefficients possible. ...
SCIENCE 9
... ELECTROLYSIS- the process of decomposing a chemical compound by passing an electric current through it ELEMENT- is a pure substance made up of one type of particle, or atom. Eache element has its own distinct properties and cannot be broken down into simpler substances by means of a chemical change ...
... ELECTROLYSIS- the process of decomposing a chemical compound by passing an electric current through it ELEMENT- is a pure substance made up of one type of particle, or atom. Eache element has its own distinct properties and cannot be broken down into simpler substances by means of a chemical change ...
Additional Chemistry
... •They can be Metal Hydroxide or Metal Oxides HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) CuO(s) + 2HCl(aq) → CuCl2(aq) + H2O(l) Salts are produced in neutralisation reactions, most are ...
... •They can be Metal Hydroxide or Metal Oxides HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) CuO(s) + 2HCl(aq) → CuCl2(aq) + H2O(l) Salts are produced in neutralisation reactions, most are ...
Atoms, Elements, Compounds File
... The student will investigate and understand that all matter is made up of atoms. Key concepts include ...
... The student will investigate and understand that all matter is made up of atoms. Key concepts include ...
SUMMER WORK AP Chemistry
... (a) Write a net ionic equation for the reaction that occurs in each of the experiments. (b) Identify the precipitate formed, if any, in each of the experiments. 14. Calculate ΔE and determine whether the process is endothermic or exothermic for the following cases: (a) q = 0.763 kJ and w = –840 J; ( ...
... (a) Write a net ionic equation for the reaction that occurs in each of the experiments. (b) Identify the precipitate formed, if any, in each of the experiments. 14. Calculate ΔE and determine whether the process is endothermic or exothermic for the following cases: (a) q = 0.763 kJ and w = –840 J; ( ...
2008 Midterm Multiple Choice
... between the temperature and time for a substance that was heated uniformly starting at t 0. The substance was in the solid phase at t 0. ...
... between the temperature and time for a substance that was heated uniformly starting at t 0. The substance was in the solid phase at t 0. ...
All That Matters - Teach-n-Learn-Chem
... A binary compound is a simple sort of compound usually made up of ions. The compound made when a positive and negative ion combine has a collective charge of zero and is not an ion as a whole. Table salt made up of sodium and chlorine is an example of this. The sodium ion has a +1 charge, and the ch ...
... A binary compound is a simple sort of compound usually made up of ions. The compound made when a positive and negative ion combine has a collective charge of zero and is not an ion as a whole. Table salt made up of sodium and chlorine is an example of this. The sodium ion has a +1 charge, and the ch ...
Chemistry Notes with Blanks
... Water (two hydrogen atoms and one oxygen atom)= _________ Sugar (6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms)= _________ The combination of carbon and water contains the same _________ as sugar. Elements: can’t be broken into _________ substances (atoms.) (Carbon is an element) Sugar + wat ...
... Water (two hydrogen atoms and one oxygen atom)= _________ Sugar (6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms)= _________ The combination of carbon and water contains the same _________ as sugar. Elements: can’t be broken into _________ substances (atoms.) (Carbon is an element) Sugar + wat ...
BIG IDEAS - BC Curriculum - Province of British Columbia
... • Demonstrate an awareness of assumptions, question information given, and identify bias in their own work and in primary and secondary sources • Consider the changes in knowledge over time as tools and technologies have developed • Connect scientific explorations to careers in science • Exercise a ...
... • Demonstrate an awareness of assumptions, question information given, and identify bias in their own work and in primary and secondary sources • Consider the changes in knowledge over time as tools and technologies have developed • Connect scientific explorations to careers in science • Exercise a ...
atoms-chemical
... number of protons (atomic number), they may differ in the number of neutrons and atomic mass. • Two atoms of the same element that differ in the number of neutrons are called isotopes. • For example, 99% of carbon atoms have 6 neutrons (12C). 1% of carbon atoms have 7 neutrons (13C) while the rarest ...
... number of protons (atomic number), they may differ in the number of neutrons and atomic mass. • Two atoms of the same element that differ in the number of neutrons are called isotopes. • For example, 99% of carbon atoms have 6 neutrons (12C). 1% of carbon atoms have 7 neutrons (13C) while the rarest ...
Basic Chemistry notes
... ______________________—two or more like atoms combined chemically ______________________—two or more different atoms combined chemically ...
... ______________________—two or more like atoms combined chemically ______________________—two or more different atoms combined chemically ...
Slide 1
... Ptotal = PA + PB + PC + ..... At low temperatures and high pressures real gases do not behave ideally. The reasons for the deviations from ideality are: 1. The molecules are very close to one another, thus their volume is important. 2. The molecular interactions also become important. ...
... Ptotal = PA + PB + PC + ..... At low temperatures and high pressures real gases do not behave ideally. The reasons for the deviations from ideality are: 1. The molecules are very close to one another, thus their volume is important. 2. The molecular interactions also become important. ...
Chemical Elements and atoms - Cuda Anatomy
... 96 % of body’s mass) these elements are O,C,H & N • elements that make up approx. 3.8 % include Ca, P, K, S, Na, Cl, Mg, Fe • trace elements - additional 14 elements present in tiny amounts make up the balance of approx. 0.2% -include: ...
... 96 % of body’s mass) these elements are O,C,H & N • elements that make up approx. 3.8 % include Ca, P, K, S, Na, Cl, Mg, Fe • trace elements - additional 14 elements present in tiny amounts make up the balance of approx. 0.2% -include: ...
ChemicalBondingTestAnswers
... molecule is polar then mostly it is bonded by this force. In beaker (A) - London forces--- Assume two molecules having no net dipole moment. Both have symmetrical charge distributions. But if by chance the electronic cloud of one molecule becomes asymmetrical and hence induces an instantaneous dipol ...
... molecule is polar then mostly it is bonded by this force. In beaker (A) - London forces--- Assume two molecules having no net dipole moment. Both have symmetrical charge distributions. But if by chance the electronic cloud of one molecule becomes asymmetrical and hence induces an instantaneous dipol ...
Chemical Equations and Reactions
... Hg (mercury) can exist by itself...but, oxygen will need to bond with another oxygen to make O2 (diatomic) To balance the atoms we need to: Put the coefficient of 2 in front of reactant HgO. Put the coefficient of 2 in front the product Hg. ...
... Hg (mercury) can exist by itself...but, oxygen will need to bond with another oxygen to make O2 (diatomic) To balance the atoms we need to: Put the coefficient of 2 in front of reactant HgO. Put the coefficient of 2 in front the product Hg. ...
Fall Final Review Honors
... STRATEGY: Start by reading through your notes to refresh your memory on these topics. Then, use this review sheet as a starting point to identify the areas on which you need to spend more study time. For those areas, go back to homework assignments, quizzes, and reviews to practice more problems. I ...
... STRATEGY: Start by reading through your notes to refresh your memory on these topics. Then, use this review sheet as a starting point to identify the areas on which you need to spend more study time. For those areas, go back to homework assignments, quizzes, and reviews to practice more problems. I ...
Forces and Radioactivity
... When a new atoms forms from radioactive decay process is called transmutation Occurs from alpha and beta decay Gamma Decay High amount of energy released from nucleus, usually when atom goes through alpha or beta decay Nucleus makes transition to lower energy state Transuranium Elements “Synthetic” ...
... When a new atoms forms from radioactive decay process is called transmutation Occurs from alpha and beta decay Gamma Decay High amount of energy released from nucleus, usually when atom goes through alpha or beta decay Nucleus makes transition to lower energy state Transuranium Elements “Synthetic” ...
Unit 2 Review for Test
... 45. Name the primary use of the type of macromolecule which is a source of energy. 46. Name the macromolecule which is the primary component in cellular membranes. 47. Name the macromolecule whose function includes structural contributions, communication, and defense against disease. 48. Proteins ar ...
... 45. Name the primary use of the type of macromolecule which is a source of energy. 46. Name the macromolecule which is the primary component in cellular membranes. 47. Name the macromolecule whose function includes structural contributions, communication, and defense against disease. 48. Proteins ar ...
Document
... 39. When naming a transition metal that has more than one common ionic charge, the numerical value of the charge is indicated by a ____________________. 40. What are the components of binary molecular compounds? ...
... 39. When naming a transition metal that has more than one common ionic charge, the numerical value of the charge is indicated by a ____________________. 40. What are the components of binary molecular compounds? ...
Collision Theory
... • Before atoms/molecules/ions can react, they must first collide • An effective collision between two species puts enough energy to break key bonds • The activation energy (Ea) is the minimum energy that must be supplied by collisions to trigger a reaction • A certain fraction of all molecules in a ...
... • Before atoms/molecules/ions can react, they must first collide • An effective collision between two species puts enough energy to break key bonds • The activation energy (Ea) is the minimum energy that must be supplied by collisions to trigger a reaction • A certain fraction of all molecules in a ...
Ch 2 Atomic History
... containing a small hole. As the oil drops fall through the hole, they are given a negative charge. Gravity forces the drops downward. The applied electric field forces the drops upward. When a drop is perfectly balanced, the weight of the drop is equal to the electrostatic force of attraction betwee ...
... containing a small hole. As the oil drops fall through the hole, they are given a negative charge. Gravity forces the drops downward. The applied electric field forces the drops upward. When a drop is perfectly balanced, the weight of the drop is equal to the electrostatic force of attraction betwee ...
Chemical Change
... A structured arrangement of elements that helps us to explain and predict physical and chemical properties. ...
... A structured arrangement of elements that helps us to explain and predict physical and chemical properties. ...
Chemistry for Bio 11
... broken down for energy: C6H12O6(s) + 6O2(g) 6CO2(g)+ 6H2O(l) All the reactions of a living thing are called its metabolism ...
... broken down for energy: C6H12O6(s) + 6O2(g) 6CO2(g)+ 6H2O(l) All the reactions of a living thing are called its metabolism ...
Science 9 Unit 2
... Surface area – the more surface area the faster the reaction. E.g. a sugar cube takes longer to dissolve than regular refined sugar Energy – the type of energy used will determine how fast the reaction occurs. E.g. if you use electrical energy from a battery the reaction will be faster ...
... Surface area – the more surface area the faster the reaction. E.g. a sugar cube takes longer to dissolve than regular refined sugar Energy – the type of energy used will determine how fast the reaction occurs. E.g. if you use electrical energy from a battery the reaction will be faster ...
Chapter 2 Outline
... steroid based e.g. testosterone, progesterone C. Proteins – structural building blocks of the body 1. composed of amino acid monomers 2. Chemical composition CHON 3. Enzymes are protein catalysts a. Substrate – material enzyme is working on b. Binding site (active site) – place where substrate bonds ...
... steroid based e.g. testosterone, progesterone C. Proteins – structural building blocks of the body 1. composed of amino acid monomers 2. Chemical composition CHON 3. Enzymes are protein catalysts a. Substrate – material enzyme is working on b. Binding site (active site) – place where substrate bonds ...