Chemistry: Introduction to Chemical Reactions Guided Inquiry What
... 1. If you are given a word equation with only reactants finish the word equation by writing the chemical names of the products. Remember positive ions keep the same name as their neutral element (Ca2+ is calcium) and negative ions end in –ide (Cl1- is chloride). The exception to this rule is polyato ...
... 1. If you are given a word equation with only reactants finish the word equation by writing the chemical names of the products. Remember positive ions keep the same name as their neutral element (Ca2+ is calcium) and negative ions end in –ide (Cl1- is chloride). The exception to this rule is polyato ...
hc1(8)notes
... • Use an activity series to predict whether a given reaction will occur and what the products will be. ...
... • Use an activity series to predict whether a given reaction will occur and what the products will be. ...
1) Basic familiarity with Atomic Labels. You will need a Periodic
... 1.6) The symbols, Na, K, Hg, Pb, Sn, Sb, Fe, Cu, Ag, Au, have no obvious relationship to the modern names of the elements. What are the modern names and what did the symbols originally stand for? 1.7) There is no atom with the symbol Di, yet there used to be bottles of the chemical Di(NO3)3 availabl ...
... 1.6) The symbols, Na, K, Hg, Pb, Sn, Sb, Fe, Cu, Ag, Au, have no obvious relationship to the modern names of the elements. What are the modern names and what did the symbols originally stand for? 1.7) There is no atom with the symbol Di, yet there used to be bottles of the chemical Di(NO3)3 availabl ...
C3 Revision Question Booklet
... A student carried out a titration to find the concentration of a solution of hydrochloric acid. The following paragraph was taken from the student’s notebook. I filled a burette with hydrochloric acid. 25.0 cm3 of 0.40 mol/dm3 potassium hydroxide was added to a flask. 5 drops of indicator were added ...
... A student carried out a titration to find the concentration of a solution of hydrochloric acid. The following paragraph was taken from the student’s notebook. I filled a burette with hydrochloric acid. 25.0 cm3 of 0.40 mol/dm3 potassium hydroxide was added to a flask. 5 drops of indicator were added ...
Calculations with Chemical Formulas and Equations
... – C is determined from the mass of CO2 produced – H is determined from the mass of H2O produced – O is determined by difference after the C and H have been ...
... – C is determined from the mass of CO2 produced – H is determined from the mass of H2O produced – O is determined by difference after the C and H have been ...
AS Chemistry - Crawshaw Academy
... This AS (practical skills) unit is teacher assessed and externally moderated by OCR. Candidates are assessed on one task from each of the following categories: qualitative, quantitative and evaluative tasks. This controlled assessment component is integrated into the teaching of the modules ...
... This AS (practical skills) unit is teacher assessed and externally moderated by OCR. Candidates are assessed on one task from each of the following categories: qualitative, quantitative and evaluative tasks. This controlled assessment component is integrated into the teaching of the modules ...
3 molecules
... Calculating Molecular Formulas The molecular weight must be known. It is obtained from a separate experiment ...
... Calculating Molecular Formulas The molecular weight must be known. It is obtained from a separate experiment ...
Identify the following properties as either - Teach-n-Learn-Chem
... A theory does not turn into a law after a long time or lots of experiments! 5. Suppose that you attempt to turn on a lamp, but the bulb does not light. Using the scientific method, describe how you might solve this problem. Be as complete as you can, and identify the elements of the scientific metho ...
... A theory does not turn into a law after a long time or lots of experiments! 5. Suppose that you attempt to turn on a lamp, but the bulb does not light. Using the scientific method, describe how you might solve this problem. Be as complete as you can, and identify the elements of the scientific metho ...
IB Definitions
... The mass number is the total number of protons and neutrons in the nucleus of an atom The atomic number is equivalent to the number of protons in the nucleus of an atom Isotopes are atoms which have the same atomic number but different mass numbers (due to the presence of different numbers of neutro ...
... The mass number is the total number of protons and neutrons in the nucleus of an atom The atomic number is equivalent to the number of protons in the nucleus of an atom Isotopes are atoms which have the same atomic number but different mass numbers (due to the presence of different numbers of neutro ...
Chemistry
... 9 – 7 Know how to apply solution concentration, the gas laws and percent composition in order to carry out stoichiometrical calculations in a variety of experimental situations. 9 – 8 Know that chemical reactions can take place at different rates and that reaction rates depend on a variety of factor ...
... 9 – 7 Know how to apply solution concentration, the gas laws and percent composition in order to carry out stoichiometrical calculations in a variety of experimental situations. 9 – 8 Know that chemical reactions can take place at different rates and that reaction rates depend on a variety of factor ...
chemistry
... Thursday, June 21, 2001 — 9:15 a.m. to 12:15 p.m., only The last page of the booklet is the answer sheet. Fold the last page along the perforations and, slowly and carefully, tear off the answer sheet. Then fill in the heading of your answer sheet. All of your answers are to be recorded on the separ ...
... Thursday, June 21, 2001 — 9:15 a.m. to 12:15 p.m., only The last page of the booklet is the answer sheet. Fold the last page along the perforations and, slowly and carefully, tear off the answer sheet. Then fill in the heading of your answer sheet. All of your answers are to be recorded on the separ ...
9th class bridge course 74-112
... Note: A molecule splits into atoms first before taking part in a chemical reaction. ...
... Note: A molecule splits into atoms first before taking part in a chemical reaction. ...
UNIT NUM="1" ID="UN
... mass is pulled by gravity. The weight of an astronaut walking on the moon is approximately 1⁄6 that of the astronaut’s weight on Earth, but his or her mass is the same. However, as long as we are earthbound, the weight of an object is a measure of its mass; in everyday language, therefore, we tend t ...
... mass is pulled by gravity. The weight of an astronaut walking on the moon is approximately 1⁄6 that of the astronaut’s weight on Earth, but his or her mass is the same. However, as long as we are earthbound, the weight of an object is a measure of its mass; in everyday language, therefore, we tend t ...
Ionic Equations
... soluble {except Pb(II), Ag(I) and Hg(I)} Carbonates and phosphates are generally insoluble (except group I) Hydroxides and sulphides are generally insoluble (except groups I and II) ...
... soluble {except Pb(II), Ag(I) and Hg(I)} Carbonates and phosphates are generally insoluble (except group I) Hydroxides and sulphides are generally insoluble (except groups I and II) ...
unit 7 – writing and balancing chemical equations
... (6) If the polyatomic comes apart OR if there is no polyatomic present, balance the non-metals except hydrogen and oxygen next by adding coefficients where necessary (7) Balance the hydrogens and the oxygens (which were not part of the polyatomics) last NOTE: Coefficients CANNOT be placed in the mid ...
... (6) If the polyatomic comes apart OR if there is no polyatomic present, balance the non-metals except hydrogen and oxygen next by adding coefficients where necessary (7) Balance the hydrogens and the oxygens (which were not part of the polyatomics) last NOTE: Coefficients CANNOT be placed in the mid ...
CO 2(g) - cloudfront.net
... • Energy symbols used above the arrow for decomposition reactions. ∆ = heat. hv = light. shock = mechanical. elec = electrical. ...
... • Energy symbols used above the arrow for decomposition reactions. ∆ = heat. hv = light. shock = mechanical. elec = electrical. ...
Year 9 Chemical Sciences Program Term 3 Course 2 2017
... describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms ...
... describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms ...
Mass # = Atomic # + # Neutrons
... Atomic Theories (theories of what atoms are like) John Dalton proposed a new atomic theory based on the three Laws we have been discussing and the ideas of Democritus. See page 64 for a discussion of Daltons ideas. Dalton’s Atomic Theory (1808 A.D.)-very similar to ideas of Democritus (~400 B.C.) ...
... Atomic Theories (theories of what atoms are like) John Dalton proposed a new atomic theory based on the three Laws we have been discussing and the ideas of Democritus. See page 64 for a discussion of Daltons ideas. Dalton’s Atomic Theory (1808 A.D.)-very similar to ideas of Democritus (~400 B.C.) ...
Print out Reviews # 1 through # 17
... Part 3 – Solubility – Write (s) or (aq) next to each product. Then, write the net ionic equation. 8. ___ Mg(NO3)2 (aq) + ___ Na2O (aq) ___ NaNO3 ( ) + ___ MgO ( ) 9. ___ Zn(ClO3)2 (aq) + ___ K2CO4 (aq) ___ KClO3 ( ) + ___ ZnCO3 ( ) EOC REVIEW #13 1. Given the reaction at equilibrium: 2 N2 (g) + ...
... Part 3 – Solubility – Write (s) or (aq) next to each product. Then, write the net ionic equation. 8. ___ Mg(NO3)2 (aq) + ___ Na2O (aq) ___ NaNO3 ( ) + ___ MgO ( ) 9. ___ Zn(ClO3)2 (aq) + ___ K2CO4 (aq) ___ KClO3 ( ) + ___ ZnCO3 ( ) EOC REVIEW #13 1. Given the reaction at equilibrium: 2 N2 (g) + ...
Preview Sample 1
... B) two or more atoms lose electrons at the same time. C) a pair of electrons is shared unequally by two atoms. D) hydrogen forms bonds with negatively charged atoms in the same or different molecule. E) atoms share electrons. ...
... B) two or more atoms lose electrons at the same time. C) a pair of electrons is shared unequally by two atoms. D) hydrogen forms bonds with negatively charged atoms in the same or different molecule. E) atoms share electrons. ...
Chemical Reaction and Matter Review
... Once one element is balanced, proceed to balance another, and another, until all elements are balanced. Balance chemical formulas by placing coefficients in front of them. Do not add subscripts, because this will change the formulas. Classify Chemical Reactions Chemists have identified millions of d ...
... Once one element is balanced, proceed to balance another, and another, until all elements are balanced. Balance chemical formulas by placing coefficients in front of them. Do not add subscripts, because this will change the formulas. Classify Chemical Reactions Chemists have identified millions of d ...
OKEMOS PUBLIC SCHOOLS
... __P___ dissolving a solid in a liquid 4) What are the indications that a chemical change (reaction) has occurred? Light, heat, color, gas, precipitate 5) a. Define a chemical change: when one substance is converted into an entirely new substance b. How do properties of compounds compare to the prope ...
... __P___ dissolving a solid in a liquid 4) What are the indications that a chemical change (reaction) has occurred? Light, heat, color, gas, precipitate 5) a. Define a chemical change: when one substance is converted into an entirely new substance b. How do properties of compounds compare to the prope ...
Chapter 3
... Nitrous oxide (N2O) is also called “laughing gas.” It can be prepared by the thermal decomposition of ammonium nitrate (NH4NO3). The other product is H2O. The balanced equation for this reaction is: NH4NO3 N2O + 2H2O How many grams of N2O are formed if 0.46 mole of NH4NO3 is used in the reaction? A) ...
... Nitrous oxide (N2O) is also called “laughing gas.” It can be prepared by the thermal decomposition of ammonium nitrate (NH4NO3). The other product is H2O. The balanced equation for this reaction is: NH4NO3 N2O + 2H2O How many grams of N2O are formed if 0.46 mole of NH4NO3 is used in the reaction? A) ...
Exam Review 1: CHM 1411 Time: 0hr 55mins
... 1. The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu. ...
... 1. The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu. ...