Chem1 Examples
Transcript of Chem1 Examples
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What is: concentration, pOH, pH, Acid, Base, Hypoxia, Combustion, Oxidation,Reduction, Surface tension, ppm, Hydrolysis, Buffer solution.
Read about STP, global warming, liquid mixtures (solutions, suspension,collides, emulsions), Noxious gases, water decomposition.
What do the following prefixes mean in numbers :micro- giga- centi- milli-
kilo- mega- deci- nano-
Convert the following:45 dL = _________ L 8500 nm=___________m
5500 g=___________Kg 7800 m= __________Km
1.25 mg = _________ g 758 cm = _________ m
2.90 L = _________ mL 2479 cm = ________ m
Which compound is polar and nonpolar:
An atom of element (X) contains 12 protons and 12 neutrons: How manyelectrons does it have? What is the mass number? What is the atomic number?Which is the correct compound for (X): XCl , X2Cl , XCl2 , XCl3
Write the electronic configuration for:C6 Na11Li3 Ca20
39K19
56Fe26
For the following reaction:A(g) + 4 B(g) 2D(g) + heatPredict the equilibrium shift for the reaction ( left or right or none) with:
Increase of [A] Cooling
Decrease of [D] Increase of pressure
Catalyst Heat
What is Keq for the reaction if: [A]= 0.09 , [B]= 0.07, [D]= 0.002
Name the following covalent compounds:CO2 CO NO2 SO2 SO3 SF6 CCl4 CS2
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What is a polyatomic ion? Give two examples What is the use of Hydrogen peroxide, Alcohol, Nitrous Oxide in medicine? What are the factors affecting the speed of reaction Name the following ionic compounds:KCl Na3PO4 HCl CaBr2 Al(OH)3 Na2CO3 NaF
Mg(NO3)2 KHCO3 NaOH NaSO4 CaSO4 MgI2 K2S
Balance the following equations: NaOH + H2SO4 Na2SO4 +H2O Fe + O2 Fe2O3 Zn + O2 ZnO CaCO3 + HCl CaCl2 + CO2 + H2O Al + H2SO4 Al2(SO4)3 + H2 C6H12O6 + O2 CO2 + H2O
Balance the following oxidation-reduction equation, indicate what is oxidizedand what is reduced. HClO + I2 + H2O HCl + HIO3
Name the following structures:
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