FinalReviewMrCowdersChemistryClass最后审查考德的化学课学习教案

1、会计学1FinalReviewMrCowdersChemistryClass最后最后(zuhu)审查考德的化学课审查考德的化学课第一页，共57页。This instrument is used to accurately measure the Kinetic Energy (KE) of a gas第1页/共57页第二页，共57页。Calculating Density第2页/共57页第三页，共57页。Calculating % by mass of hydrogen in water第3页/共57页第四页，共57页。Isotopes第4页/共57页第五页，共57页。Physical cha

2、ngePhysical change第5页/共57页第六页，共57页。Rutherfords experiment showed that atoms are mostly第6页/共57页第七页，共57页。Mass number第7页/共57页第八页，共57页。Electron configuration第8页/共57页第九页，共57页。Electron configuration of an ion?第9页/共57页第十页，共57页。The group of elements with seven valence electrons第10页/共57页第十一页，共57页。Rows of the

3、 Periodic Table.第11页/共57页第十二页，共57页。Groups of elements with similar chemical propertiesGroups of elements with similar chemical properties第12页/共57页第十三页，共57页。Ionic compounds第13页/共57页第十四页，共57页。The most reactive nonmetal第14页/共57页第十五页，共57页。The element with the largest atomic radius第15页/共57页第十六页，共57页。Chem

4、ical bonding can involveChemical bonding can involve第16页/共57页第十七页，共57页。Shape of methane, CH4第17页/共57页第十八页，共57页。The bond between hydrogen and oxygen within a water moleculeThe bond created The bond created between water between water moleculesmolecules第18页/共57页第十九页，共57页。Atom inventory(NH4)2CO22 Nitro

5、gen atoms8 Hydrogen atoms1 Carbon atom2 Oxygen atoms第19页/共57页第二十页，共57页。Naming Ionic compounds with Roman numeralsNaming Ionic compounds with Roman numeralsCuCl2第20页/共57页第二十一页，共57页。Little Willy was no more; for what he thought was H20 was H2SO4.第21页/共57页第二十二页，共57页。The formula for Aluminum chloride第22

6、页/共57页第二十三页，共57页。Double replacement reactionsNa3PO4 + Ba(NO3)2 ?Ba3(PO4)2NaNO3第23页/共57页第二十四页，共57页。Indicators of a chemical reaction第24页/共57页第二十五页，共57页。Combustion of butane, C4H10C4H10 + O2 CO2+ H2O第25页/共57页第二十六页，共57页。Balancing Reactions_FeCl3 + _H2S _FeCl2 + _HCl + _S第26页/共57页第二十七页，共57页。Magnesium ri

7、bbon is burned in a bunsen burner flame.Types of reactions第27页/共57页第二十八页，共57页。Types of reactionsSolutionS of lead (ii) nitrate and Sodium iodide are combined in the Same teSt tube and a Solid precipitate formS.第28页/共57页第二十九页，共57页。Types of reactionsIodine crystals are heated in a beaker with a watch

8、glass covering the top. Purple fumes are observed and when the beaker is cooled, purple crystals are observed on the bottom of the watch glass.第29页/共57页第三十页，共57页。Stoichiometry!N2(g) + 3H2(g)2NH3(g)If _ grams of hydrogen reacts with If _ grams of hydrogen reacts with excess nitrogen, what volume of e

9、xcess nitrogen, what volume of ammonia is produced?ammonia is produced?_g H2L NH32 g H21 mole H23 mole H22 mole NH31 mole NH322.4 L NH3第30页/共57页第三十一页，共57页。Stoichiometry!N2(g) + 3H2(g)2NH3(g)If _ grams of nitrogen reacts with excess If _ grams of nitrogen reacts with excess hydrogen, what mass of amm

10、onia is hydrogen, what mass of ammonia is produced?produced?_g N2g NH328 g N21 mole N21 mole N22 mole NH31 mole NH317 g NH3第31页/共57页第三十二页，共57页。Calculating % ErrorNaHCO3 + HCl NaCl + H2O + CO2Theoretical yield is 13.92g of NaCl, and the students experimental yield is 12.00g of NaCl./ E-A /AX 100 =% e

11、rror第32页/共57页第三十三页，共57页。MoleculesHow many molecules would 16g of methane (CH4) contain?16 g CH416 g CH41 mole CH41 mole CH46.02 x 1023 molecules第33页/共57页第三十四页，共57页。Emperical FormulaPercent to mass,Mass to moles,Divide by the least,Multiply till whole!16% Carbon84% Sulfur第34页/共57页第三十五页，共57页。Motion of

12、 gas molecules according to the KMT, Motion of gas molecules according to the KMT, Kinetic Molecular Theory.Kinetic Molecular Theory.第35页/共57页第三十六页，共57页。When a closed container of a gas is heated, why does the pressure increase?第36页/共57页第三十七页，共57页。Draw a graph that represents the relationship betwee

13、n pressure and volume.第37页/共57页第三十八页，共57页。Draw a graph that represents a pure substance as it is being heated and changes from a solid to a liquid.第38页/共57页第三十九页，共57页。Charles LawCharles Law1000 L of NO1000 L of NO2 2 at a temperature of 400K is at a temperature of 400K is cooled to 300K. What is the

14、 new volume of cooled to 300K. What is the new volume of this gas?this gas?V1T1T2V2第39页/共57页第四十页，共57页。How do you know when a solution is unsaturated? Saturated?第40页/共57页第四十一页，共57页。What is the difference between a solute and a solvent?0.2 M CaCl2第41页/共57页第四十二页，共57页。Molarity10g of sodium chloride diss

15、olved to make a 1L solution.第42页/共57页第四十三页，共57页。What is an electrolyte?Does KCl dissolve as ions or molecules?第43页/共57页第四十四页，共57页。Red litmus papeR tuRns blue and phenolphthalein tuRns pink in this substance第44页/共57页第四十五页，共57页。What are the products of a neutralization reaction?第45页/共57页第四十六页，共57页。Wha

16、t volume of 2 M KOH is required to neutralize 100 mL of 5 M HCl?TitrationsMAVA = MBVB第46页/共57页第四十七页，共57页。pH equationWhat is the pH of 0.01 M HCl?pH=- Log .o1第47页/共57页第四十八页，共57页。Describe the pH scale.第48页/共57页第四十九页，共57页。If given several antacids, how could you determine which one is the best?第49页/共57

17、页第五十页，共57页。If a metal is melted, how would the mass change?第50页/共57页第五十一页，共57页。If an opened can of soda is left in the sun, how would the mass change?第51页/共57页第五十二页，共57页。A piece of Iron is left outside causing it to rust. How does the mass change?第52页/共57页第五十三页，共57页。1s22s22p63s23p64s23d104p5Which element is this?Metal or Nonmetal?Electron Configuration of the ion of this element?The formula of the compound if this element combined with hydrogen.The Lewis do