* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Chemical Reactions Practice Test
Chemical equilibrium wikipedia , lookup
Electron configuration wikipedia , lookup
Chemical reaction wikipedia , lookup
Transition state theory wikipedia , lookup
IUPAC nomenclature of inorganic chemistry 2005 wikipedia , lookup
Bioorthogonal chemistry wikipedia , lookup
Lewis acid catalysis wikipedia , lookup
Fluorochemical industry wikipedia , lookup
Calcium looping wikipedia , lookup
Nucleophilic acyl substitution wikipedia , lookup
Water pollution wikipedia , lookup
History of chemistry wikipedia , lookup
Chemical bond wikipedia , lookup
Chemical thermodynamics wikipedia , lookup
Acid–base reaction wikipedia , lookup
Chemistry: A Volatile History wikipedia , lookup
Alkaline earth metal wikipedia , lookup
Water splitting wikipedia , lookup
Biological aspects of fluorine wikipedia , lookup
Electrolysis of water wikipedia , lookup
Evolution of metal ions in biological systems wikipedia , lookup
Electrochemistry wikipedia , lookup
History of molecular theory wikipedia , lookup
Strychnine total synthesis wikipedia , lookup
Freshwater environmental quality parameters wikipedia , lookup
Metalloprotein wikipedia , lookup
Name:___________________________________ Period;)__________ Chemical Reactions Practice Test multiple choice – please use capital letters _____1. Neon has an atomic number of 10 and calcium has an atomic number of 20. Compared to a mole of neon, a mole of calcium has a) twice as many atoms b) the same number of atoms c) half the number of atoms _____2. What unit allows chemists to compare one chemical to another? a) amu b) kilograms c) atomic weights d) moles ______3. The coefficients from the balanced equation represent a) mole ratios b) masses c) molar masses _______4. In a chemical equation the symbol (aq) means a. b. c. d. water dissolved in water an acid insoluble _______5. The tendancy for a replacement reaction to occur increases as the a. b. c. d. temperature increases valence electrons are used up interval between the two similar elements increases on the activity series interval between the two similar elements decreases on the activity series _______6. The production of a slightly soluble solid compound in a double displacement reaction results in the formation of a a. b. c. d. gas precipitate combustion reaction halogen Name:___________________________________ Period;)__________ ______7. The coefficients tin a chemical equation a. b. c. d. indicate the number of moles that react show the number of g rams of each substance that react are the mo;lar masses of the substances that react show the valence electrons for each atom ______8. If metal X is lower than metal Y on the activity series, then a. b. c. d. X will replace ions of Y in solution Y will replace ions of X in solution Y will form oxides only indirectly X will react with cold water ______9. To balance a chemical equation it is permissable to adjust the a. subscripts b. coefficients c. compound formulas d number of products PART 2 Balance 1. C2H6 + O2 -----> 2. KClO3 -----> 3. NH4Cl + 4. Aluminum phosphate + Ammonium carbonate -----> Aluminum carbonate + Ammonium phosphate KCl + CO2 + H2O O2 Ba(OH)2 -----> BaCl2 + NH4OH Name:___________________________________ Period;)__________ 5. Ammonia + oxygen -----> 6. Sodium phosphate + Calcium nitrate----> Calcium phosphate + sodium nitrate 7. Nitric acid + Potassium Iodide -----> Postassium nitrate + Iodine + Nitrogen monoxide + water 8. HCl + 9. C2H5OH + KMnO4 ------> Nitrogen monoxide + water H2O + KCl + O2-------> CO2 + H2O MnCl2 + Cl2 Name:___________________________________ Period;)__________ PART 3 *Use the activity series to predict whether or not the following will occur 1. Platinum + H2O (g) ---------> Yes 2. Calcium fluoride + chlorine ----> Yes No No 3. HCl + NaOH ---------> Yes No 4. Cobalt + HNO3 -------> Yes No 5. Hg + O2 -------> Yes No 6. Mn + SrS -------> Yes No 7. Cu + AgNO3-------> Yes No _________________________________________________________________ PART 4 Integrating Skills FOR EACH PROBLEM: step #1* Predict products step #2* Use oxidation numbers to determine formulas step # 3* Write balanced equations step #4* Classify reaction type on the line provided 1. Lithium + Water -------> __________ 2. Zinc + Hydrochloric Acid -------> __________ 3. C2H2 + Oxygen ------> __________ Name:___________________________________ Period;)__________ 4 Calcium Chloride + Fluorine -----> __________ 5. Lithium iodide + iron -----> __________ SHOW ALL WORK FOR CREDit ___ C2H6 + ___ O2 ----- + 1. If 3408 grams of C2H6 are reacted and 5301 grams of water are actually produced, what is the percent yield? ____Mg2Si + __H2O ------ + 2. If 36 grams of water and 57 grams of M2Si are reacted a) how many grams of Silcon hydride will be produced? b) What is the limiting reactant? c) How many grams of the excess reactant will be leftover? d) How many molecules of Mg(OH)2 will be produced? Name:___________________________________ Period;)__________ _________________________________________________________ ___AgNO3 + __Cu ---- + 3. How many grams of silver can be produced from 102.45 grams of AgNO3 4 How many atoms of copper will be needed to produce 3.6 moles of Cu(NO3) 2 ? 5.If 20 grams of AgNO3 and 10 grams of Cu are combined, a) how many moles of Ag will be produced? b) Which is the limiting reactant?