PAPERSMASTER01

Chemistry - ANSWERthe study of matter and the changes that matter undergoes Matter - ANSWERAnything that has a mass and occupies space Observations - ANSWERNatural phenomena and measured events; if universally consistent, can be stated as a law Hypothesis - ANSWERTentative explanation that explains observations Experiment - ANSWERProcedure to test hypothesis; measures one variable at a time Model (Theory) - ANSWERSet of conceptual assumptions that explains data from accumulated ex...

What is the chemical symbol for an atom that has 29 protons and 36 neutrons? A) Cu B) Kr C) N D) Tb E) S - ANSWERA) Cu How many SO2 molecules are there in 1.80 mol of SO2? A) 1.08 X 10^23 molecules SO2 B) 6.02 x 10^24 molecules SO2 C) 1.80 x 10^24 molecules SO2 D) 1.08 x 10^24 molecules SO2 E) 6.02 x 10^23 molecules SO2 - ANSWERD) 1.08 x 10^24 1.80 mol SO2 X 6.022x10^23 SP2 moles/1 mol SO2 = D One of the choices below, which one is NOT an ionic compound? (Molecular Co...

Na+ - ANSWERsodium Li+ - ANSWERlithium K+ - ANSWERpotassium Ca 2+ - ANSWERcalcium Mg 2+ - ANSWERmagnesium Cs+ - ANSWERcesium Al 3+ - ANSWERaluminum Ba 2+ - ANSWERbarium Sr 2+ - ANSWERstrontium Pb 2+ - ANSWERlead II Mn 2+ - ANSWERmanganese II Cu 2+ - ANSWERcopper II Cr 3+ - ANSWERchromium III Ni 2+ - ANSWERnickel II Fe 3+ - ANSWERiron III Sn 2+ - ANSWERtin II Ag+ - ANSWERsilver I Co 2+ - ANSWERcobalt II Br- - ANSWERbromide Cl- - ANSWERchlor...

3300 (IR) - ANSWERO-H (IR) 3200 (IR) - ANSWERN-H (IR) 3100 (IR) - ANSWERC-H Aromatic (IR) 3000 (IR) - ANSWERC-H Vinyl (IR) 2950 (IR) - ANSWERC-H Alkyl (IR) 2250 (IR) - ANSWERCN (IR) 1720 (IR) - ANSWERCO (IR) 1680 (IR) - ANSWERC double bond N (IR) 1640 (IR) - ANSWERC double bond C (IR) 1600 (IR) - ANSWERC double bond C Aromatic (IR) 1550 (IR) - ANSWERN double bond O (IR) 10-12 (NMR) - ANSWER 9-10 (NMR) - ANSWER 6-8 (NMR) - ANSWERAromatic H 4-6 (NMR) - ANS...

Isotopes have the same ___ but different ___ - ANSWERatomic number, mass numbers How do you find average atomic mass with isotopes - ANSWERamu=(%xisotope mass)+(%xisotope mass) Group 1 elements - ANSWERalkali metals group 2 elements - ANSWERalkaline earth metals Group 5 elements - ANSWERpnictogens Group 6 elements - ANSWERcalcogens group 7 elements - ANSWERhalogens group 8 elements - ANSWERnoble gases Diatomic molecules - ANSWERH2, N2, O2, F2, Cl2, Br2, I2 what does th...

sulfate - ANSWERSO(4)^2- sulfite - ANSWERSO(3)^2- nitrate - ANSWERNO(3)^- nitrite - ANSWERNO(2)^- phosphate - ANSWERPO(4)3- Phosphite - ANSWERPO(3)^3- cyanide - ANSWERCN^- carbonate - ANSWERCO(3)^2- hydroxide - ANSWEROH^- ammonium - ANSWERNH(4)+ chlorite - ANSWERClO(2)- chlorate - ANSWERClO(3)^- permanganate - ANSWERMnO(4)^- chromate - ANSWERCrO(4)^2

Allyl cation - ANSWERIncomplete octet adjacent to multiple bond Allyl anion - ANSWERLone pair adjacent to multiple bond Polar multiple bond - ANSWERLone pair next to incomplete octet Ring of alternating single and multiple bonds - ANSWERAromatic rings Sp3 - ANSWERone s and three p orbitals; 25% s character 75% p Sp2 - ANSWERone s and two p 120 degree apart; 33% s character and 67% p Sigma MOs - ANSWERTypically lower in energy Sp - ANSWEROne s and two p 180 bond angle; 50%s c...

What phase change is taking place if DHsub = 26.1 kJ/mol is being used to calculate the heat involved in the process) 1)Liquid to solid 2) Gas to solid 3) Solid to liquid 4) Liquid to gas 5) Solid to gas - ANSWER3 Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in laboratories in which it is used. How much energy is released when 10 g is cooled from 50.0°C to 10....

how to write formula of a molecule - ANSWERC first, H sexond, alphabetical order eg. C3H5BrO nonpolar covalent bonding - ANSWER2 electrons shared equally eg. H-H polar covalent bonding - ANSWER2 electrons shared unequally eg. C-O (more reactive) units of unsaturation - ANSWER(2N+2-m+t)/2 count rings and multiple bonds curved arrow notation - ANSWERbegin where electrons start and point where electrons are going heterdytic break - ANSWERelectrons move together during curved a...

1 calories - ANSWER4.184 joules 1kilogram - ANSWER1000 grams Specific heat - ANSWEREnergy required to raise temperature (j/g x change in temp) 1 regular calorie - ANSWER1 kilocalorie/ 1000 calories Group 1A - ANSWERAlkali metals Group 2A - ANSWERAlkaline metals Group 7A - ANSWERHalogens Group 8A - ANSWERNoble gases Group B - ANSWERTransition elements Nucleus composition - ANSWERProtons and nuetrons 1 amu - ANSWER1/12 mass of carbon 12 Proton mass - ANSWER1.007 am...