Chemistry concepts and calculations

2 Acylation of Ferrocene Ferrocene, an iron-based orange crystalline solid, has

2 Acylation of Ferrocene Ferrocene, an iron-based orange crystalline solid, has properties of a typical aromatic compound. It is an unusually stable, soluble in common organic sol…

2 Acylation of Ferrocene Ferrocene, an iron-based orange crystalline solid, has

2 Acylation of Ferrocene Ferrocene, an iron-based orange crystalline solid, has properties of a typical aromatic compound. It is an unusually stable, soluble in common organic sol…

2 Ag+ + Cu --> Cu+2 + 2 Ag You individually weigh out a piece of Copper Wire and

2 Ag+ + Cu --> Cu+2 + 2 Ag You individually weigh out a piece of Copper Wire and an empty Reaction Tube. You add a measured volume of silver nitrate solution of known concentra…

2 Ag+ + Cu --> Cu+2 + 2 Ag You individually weigh out a piece of Copper Wire and

2 Ag+ + Cu --> Cu+2 + 2 Ag You individually weigh out a piece of Copper Wire and an empty Reaction Tube. You add a measured volume of silver nitrate solution of known concentra…

2 Al( s ) +Cr 2 O 7 2- ( aq ) + 14H + ( aq ) 2 Al 3+ ( aq ) +2 Cr 3+ ( aq ) + 7

2 Al(s) +Cr2O72-(aq) + 14H+(aq) 2 Al3+(aq) +2 Cr3+(aq) + 7 H2O(l) I keep getting Q to equal zero after using theNernst equation? How to do this problem in general would begreat? C…

2 Al(OH) 3 + 3H 2 SO 4 ---> Al 2 (SO 4 ) 3 + 6H 2 O Using the balanced equations

2 Al(OH)3   +   3H2SO4 --->  Al2(SO4)3   + 6H2O Using the balanced equations from the reactions above, determine the following: How many grams ofAl2(SO4)3 are formed from 5 gra…

2 Amiline (CaH&NH;:) do not undergo Fridel-Crafts reaction because (a) -NH: grou

2 Amiline (CaH&NH;:) do not undergo Fridel-Crafts reaction because (a) -NH: group of aniline is deactivating group. (b) -NHa group of aniline is activating group (b) -NH, grou…

2 An initial rate study was performed on the reaction system. Data for the exper

2 An initial rate study was performed on the reaction system. Data for the experiment are given in the table below. A Using the information above, determine the order of the react…

2 Assume you forgot to condition the 25.00 mL volumetric pipette after making ea

2 Assume you forgot to condition the 25.00 mL volumetric pipette after making each standard solution in Part B. How would this error affect the actual concentrations of the standa…

2 At 25°C, it was found 7.83 g of water is d that to prepare a saturated solutio

2 At 25°C, it was found 7.83 g of water is d that to prepare a saturated solution of KNO, a sa required to dissolve a 3.00 g sample of KNO a. What is the molal solubility of KNO, …

2 Benzaldehyde + Acetone ----NaOH, EtOH/H2O-------> Dibenzalacetone + 2H2O Place

2 Benzaldehyde +  Acetone  ----NaOH, EtOH/H2O------->   Dibenzalacetone + 2H2O Place 0.50g NaOH, 5.0 mL water, and 4.0 mL ethanol in 25 mLErlenmyer flask. Place 0.50 mL benzald…

2 Calculate the pH of each of the following solutions, and label each as acidic,

2 Calculate the pH of each of the following solutions, and label each as acidic, basic, or neutral Solution [H,0.1-1.0 × 1o-M [h4,0+]-0.001 M [H,0,]-3.7 × 10-6 M pH Acidic/Basic/N…

2 CoCl2 + 2 NH4Cl + H2O2 + 10 NH3 ----> 2 Co(NH3)6Cl3 + 2 H2O 1) You are assigne

2 CoCl2 + 2 NH4Cl + H2O2 + 10 NH3 ----> 2 Co(NH3)6Cl3 + 2 H2O 1) You are assigned the following amount of CoCl2. Volume of CoCl2 assigned and used 4.94 mL Concentration of CoCl…

2 Determine the concentration of NaCl in a solution using the density of the sol

2 Determine the concentration of NaCl in a solution using the density of the solution Decide which is the best piece of volumetric glassware to use to determine the concentration …

2 Exp. 8 Acid-Base Titration PRELAB QUESTIONS 1. To help you succeed in this lab

2 Exp. 8 Acid-Base Titration PRELAB QUESTIONS 1. To help you succeed in this lab, here are some common mistakes and deviations from the written procedure. Predict how the final re…

2 Fe 2+ (aq) + I 2(s) c. 2 Fe 2+ (aq) +Cl 2(g) ® 2 Fe 3+ (aq) + 2Cl - (aq) Solut

2 Fe2+(aq) + I2(s)c. 2 Fe2+(aq) +Cl2(g) ® 2 Fe3+(aq) + 2Cl-(aq)

2 For your pH titration you now want to weigh an amount of your unknown acid bas

2 For your pH titration you now want to weigh an amount of your unknown acid based on your answer to Question 1. However, you do not want to waste a lot of time trying to get the …

2 H C l ( a q ) + N a 2 C O 3 ( a q ) ? 2 N a C l ( a q ) + H 2 O ( l ) + C O 2

2HCl(aq)+Na2CO3(aq)?2NaCl(aq)+H2O(l)+CO2(g) 1.What volume of 1.50M HCl in liters is needed to react completely (with nothing left over) with 0.750L  of 0.400M Na2CO3? 2. A 663-mL …

2 H2O2 (aq) 2 H2O (l) + O2 (g) Rate of the reaction= - 1/2(d[H2O2]/dt) = (

2 H2O2 (aq) <---> 2 H2O (l) + O2 (g) Rate of the reaction= - 1/2(d[H2O2]/dt) = (d[O2]/dt) (in units of molarity) Suppose you carry out the decomposition reaction using 25.0 …

2 H2O2 (aq) 2 H2O (l) + O2 (g) Rate of the reaction= - 1/2(d[H2O2]/dt) = (

2 H2O2 (aq) <---> 2 H2O (l) + O2 (g) Rate of the reaction= - 1/2(d[H2O2]/dt) = (d[O2]/dt) (in units of molarity) Suppose you carry out the decomposition reaction using 25.0 …

2 HNO()+ Ag ()AgNos)NO2 (9)+M20( A AgNO(s)+NO2 (9)+ H2o () Use the data from thi

2 HNO()+ Ag ()AgNos)NO2 (9)+M20( A AgNO(s)+NO2 (9)+ H2o () Use the data from this tlink:ThermodynamicData to Use the data the data from this link: ThermodynamicData to calculate t…

2 H_2 O_2 (aq) rightarrow 2 H_2 O (l) + O_2 (g) delta H degree = - 196 kJ/mol_rx

2 H_2 O_2 (aq) rightarrow 2 H_2 O (l) + O_2 (g) delta H degree = - 196 kJ/mol_rxn The decomposition of H_2 O_2 (aq) is represented by the equation above. A student monitored the d…

2 HgO(s)---> 2Hg(l) +O2(g) What volume of oxygen gas, expressed in L measured at

2 HgO(s)---> 2Hg(l) +O2(g) What volume of oxygen gas, expressed in L measured at 30.0 degrees Celsius and 725 torr can be produced from the complete decomposition of 6.18 g of …

2 Hzoay Nanso say 4, H SO 2 NaOH a L5 sulfurous acid a strong or weak acid? b. W

2 Hzoay Nanso say 4, H SO 2 NaOH a L5 sulfurous acid a strong or weak acid? b. What is the definition of a weak acid? c, write the ionic and net ionic equation for the reac only s…

2 If you combine 300.0 mL of water 25.00 degree C and 100.0 mL of water 95.00 de

2 If you combine 300.0 mL of water 25.00 degree C and 100.0 mL of water 95.00 degree C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water. A rese…

2 In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH)2 was added to 70

2 In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH)2 was added to 700 mL of 0.680 M HCl. The reaction caused the temperature of the solution to rise from 21.35 degree …

2 Iron IIl) cloride Sodium Nitrate 3 Solute Sucrose 2H20 Chloride *9H20 Mass of

2 Iron IIl) cloride Sodium Nitrate 3 Solute Sucrose 2H20 Chloride *9H20 Mass of 4 beaker(g 114.79 mass of water Mass of 49.98 50.015.0149.99 6Solute(g) 1711 7.35 294 20 21 Mass of…

2 K^+(aq) + Ba(s) >> 2 K(s) + Ba^2+(aq) Assume 25^oC for all a) The standard cel

2 K^+(aq) + Ba(s) >> 2 K(s) + Ba^2+(aq) Assume 25^oC for all a) The standard cell potential (E^o cell) for the voltaic cell based on the reaction above is ____ V. b) What is…

2 LON-CAPA GA9- Questio.. x capa2.its d First and Reactivity/Topic 11 Quantilati

2 LON-CAPA GA9- Questio.. x capa2.its d First and Reactivity/Topic 11 Quantilative Acid Base Chemistry The Le First Year C ure -Blackboard r] DalOnline i Gregory Hebb (Student) Da…

2 Laboratory (SCM) Scientific Measurements Expected Learning Outcomes Introduce

2 Laboratory (SCM) Scientific Measurements Expected Learning Outcomes Introduce laboratory glassware (pipet and buret) to practice technique .Compare and contrast accuracy and pre…

2 Laboratory (SCM) Scientific Measurements Expected Learning Outcomes Introduce

2 Laboratory (SCM) Scientific Measurements Expected Learning Outcomes Introduce laboratory glassware (pipet and buret) to practice technique .Compare and contrast accuracy and pre…

2 MnO_2^2- + 5C_2O_4^2- + 16H^+ rightarrow Mn^2+ + 5 CO_2 + 8H_2O What is the ox

2 MnO_2^2- + 5C_2O_4^2- + 16H^+ rightarrow Mn^2+ + 5 CO_2 + 8H_2O What is the oxidizing agent in the balanced net ionic equation above? What is the reducing agent? Which is oxidiz…

2 N 2 O 5 ( g ) ? 4 NO 2 ( g ) + O 2 ( g ) (a) How many moles of N 2 O 5 will re

2 N2O5(g) ? 4 NO2(g) + O2(g) (a) How many moles of N2O5 will remain after 1.5 min? _______ mol (b) How many minutes will it take for the quantity of N2O5 to drop to 0.005 mol? ___…

2 N 2 O 5 ( g ) ? 4 NO 2 ( g ) + O 2 ( g ) (a) How many moles of N 2 O 5 will re

2 N2O5(g) ? 4 NO2(g) + O2(g) (a) How many moles of N2O5 will remain after 1.5 min? _______ mol (b) How many minutes will it take for the quantity of N2O5 to drop to 0.005 mol? ___…

2 N 2 O 5 ( g ) ? 4 NO 2 ( g ) + O 2 ( g ) (a) How many moles of N 2 O 5 will re

2 N2O5(g) ? 4 NO2(g) + O2(g) (a) How many moles of N2O5 will remain after 2.5 min? _______mol (b) How many minutes will it take for the quantity of N2O5 to drop to 0.005 mol? ____…

2 N 2 O 5 (g) ---> 4 NO 2 (g) + O 2 (g) rate= k[N2O5] p For different Initial ra

2 N2O5(g) ---> 4 NO2(g) + O2(g) rate= k[N2O5]p For different Initial rates: [N2O5] Initial Rate 0.093 M 4.84 x 10^4 M s-1 0.186 M 9.67 x 10^4 M s-1 0.279 M 1.45 x 10^3 M s-1 So…

2 N205(g) rightarrow 4 NO2(g) + 02(g) Consider the decomposition of dinitrogen p

2 N205(g) rightarrow 4 NO2(g) + 02(g) Consider the decomposition of dinitrogen pentoxide shown above. In order to determine the rate of this reaction, we can measure the concentra…

2 N2O5(g) 4 NO2(g) + O2(g) Consider the decomposition of dinitrogen pentoxide sh

2 N2O5(g) 4 NO2(g) + O2(g) Consider the decomposition of dinitrogen pentoxide shown above. In order to determine the rate of this reaction, we can measure the concentration of N2O…

2 N2O5(g) 4 NO2(g) + O2(g) Consider the decomposition of dinitrogen pentoxide sh

2 N2O5(g) 4 NO2(g) + O2(g) Consider the decomposition of dinitrogen pentoxide shown above. In order to determine the rate of this reaction, we can measure the concentration of N2O…

2 NAD NADII and FAD/TADHa s bo (a) function as coenaymes b) ageats to anfer eles

2 NAD NADII and FAD/TADHa s bo (a) function as coenaymes b) ageats to anfer elesrons in beokugical oxidalion reduction reactions a source of energy in the comunon casabolic pathwa…

2 NF 3 (g) + Cu(s) --> N 2 F 4 (g) +CuF 2 (s) H = ? using the following thermoch

2 NF3(g) + Cu(s) --> N2F4(g) +CuF2(s)     H = ? using the following thermochemical equations     NF3(g) + NO(g) --> 1/2N2F4(g) + ONF(g)    H =-41.4 kJ     2 NO(g) + F2(g) --…

2 NO (g) + O2 (g) --> 2 NO2 (g) Without doing any calculations, predict the sign

2 NO (g) + O2 (g) --> 2 NO2 (g) Without doing any calculations, predict the sign of delta S°rxn and delta H °rxn, and explain your predictions. (Hint: what is the sign of delta…

2 NO(g) + Cl 2 (g) --> 2 NOCl (g) Two proposed mechanisms for the reaction are g

2 NO(g) + Cl2(g) --> 2 NOCl (g) Two proposed mechanisms for the reaction are given below. Which is the better mechanism? Explain both why the better mechanism is better and why…

2 NOBr(g) 2 NO(g) + Br 2 (g) Why is the answer left? and not right since the

2 NOBr(g) <=> 2 NO(g) + Br2(g) Why is the answer left? and not right since there are more products thanr reactants? or...am i thinking about this wrong? how do you tell and …

2 NaHCO3 (s) + HC2H3O2 (l) = CO2(g) + 2NaC2H3O2 (s) + H2O (l) 1) I used 1 gram o

2 NaHCO3 (s) + HC2H3O2 (l) = CO2(g) + 2NaC2H3O2 (s) + H2O (l) 1) I used 1 gram of each reactant. calculate the volume of CO2 gas that resulted from each reactant at room temperatu…

2 NaHCO_3 (s) rightarrow Na_2 CO_3 (s) + CO_2 (g) + H_2 O (g) NaHCO_3 (s) (bakin

2 NaHCO_3 (s) rightarrow Na_2 CO_3 (s) + CO_2 (g) + H_2 O (g) NaHCO_3 (s) (baking soda) decomposes upon heating to product: Na_2 CO_3 (s) and two gaseous products. as shown by the…

2 NaN,(s) 2 Na (s) 3 Na (g) How many grams of sodium azide are needed to provide

2 NaN,(s) 2 Na (s) 3 Na (g) How many grams of sodium azide are needed to provide sufficient nitrogen gas to fill a 30.0 x30.0 x 25.0 cm bag to a pressure of 1.20 atm at 1.0 x10%C?…

2 One analyzed an unknown solution containing some of Analytical Group I cations

2 One analyzed an unknown solution containing some of Analytical Group I cations according to the procedure presented in this experiment Following was observed A white precipitate…

2 One item that Detective Man noticed was that on the table next to the body was

2 One item that Detective Man noticed was that on the table next to the body was an invention, supposedly invented by Mr. Tim; the invention was called "An Ever-Fresh Coffee Maker…

2 PART QUESTION.. WILL GIVE OUT 600 POINTS. For the gaseous reaction shown here,

2 PART QUESTION.. WILL GIVE OUT 600 POINTS. For the gaseous reaction shown here, the bins below represent three different possibilities for the equilibrium mixture. Classify each …