Chemistry concepts and calculations

calculate the equilibrium constant (kc) for the reaction at this temperature. co

calculate the equilibrium constant (kc) for the reaction at this temperature. co(g)+2h2(g)->ch3oh(g). a reaction mixture in a 5.16L flask at a certain temperature initially con…

calculate the equilibrium constants at 25?C for each reaction: The answer for A

calculate the equilibrium constants at 25?C for each reaction: The answer for A is 1.5E90 The answer for B is 1.9E-31 If someone can explain how to find the correct answers, I wou…

calculate the final Celsius temperature when 5.00 L of fluorine gas at 50 degree

calculate the final Celsius temperature when 5.00 L of fluorine gas at 50 degrees Celsius is cooled to give a volume of 3.75 L. assume that the pressure remains constant calculate…

calculate the final molarity of K+ (aq) in a solution made by mixing 200 ml of a

calculate the final molarity of K+ (aq) in a solution made by mixing 200 ml of a 0.115M solution of K3PO4(aq) with 300 mL of a 0.225M solution of K2CO3(aq). Note that both salts a…

calculate the freezing poing depression for a solution prepared by dissolving 25

calculate the freezing poing depression for a solution prepared by dissolving 25.0g of octane in 175g of benzane calculate the freezing poing depression for a solution prepared by…

calculate the heat energy released 114.2 g of liquid mercury at 25°C is converte

calculate the heat energy released 114.2 g of liquid mercury at 25°C is converted to solid mercury at its melting point saplinglearning.com Sapling 178-CHEM111-01-43 ulu Dashboard…

calculate the heat required to raise the temperature of 52.5g of gold from 56.3C

calculate the heat required to raise the temperature of 52.5g of gold from 56.3C to 98.4C Substance. Specific heat Ethanol. 0.59 Gold. 0.031 Iron. 0.106 Mercury 0.033 Sodium. 0.29…

calculate the initial molarity of Kl, Na2S2O3, and (NH4)2S2O3 in the solution fo

calculate the initial molarity of Kl, Na2S2O3, and (NH4)2S2O3 in the solution for rach of the four trials. Monitoring the initial rate of this reaction will involve a bit of trick…

calculate the mass and volume of 150 mmol (ss) or 15.0 mmol of benzaldehyde Heat

calculate the mass and volume of 150 mmol (ss) or 15.0 mmol of benzaldehyde Heating and Vel 10 Mixing Filtration Gravity am e Vacuum Filtration Solids ot? and Drying Recrystalliza…

calculate the minimum number of grams of propane, C 3 H 8 thatmust be combusted

calculate the minimum number of grams of propane, C3H8 thatmust be combusted to provide the energy necessary to convert 4.85kg of ice at -20.5 degrees celcius to liquid water at 7…

calculate the molality and mass percient of a queous solution of Na2CO3 which ha

calculate the molality and mass percient of a queous solution of Na2CO3 which has a solute mole fraction of 0365

calculate the molality and mass percient of a queous solution of Na2CO3 which ha

calculate the molality and mass percient of a queous solution of Na2CO3 which has a solute mole fraction of 0365

calculate the molality and van\'t Hoff factor for the following solutions (a) 0.

calculate the molality and van't Hoff factor for the following solutions (a) 0.549 mass % KCl, freezing point = -0.234°C (b) 1.01 mass % H2SO4, freezing point = -0.423°C Caiculate…

calculate the molar concentrations of the four standard solutions prepared in st

calculate the molar concentrations of the four standard solutions prepared in step 1 Procedure 1 Prepare 4 standard solutions as follows: A- quantitatively transfer ??ml. (see tab…

calculate the molar energy of electrostatic repulsion between two hydrogen nucle

calculate the molar energy of electrostatic repulsion between two hydrogen nuclei in an H2 molecule under standard conditions. This is the energy which is along with the entropic …

calculate the molar solubility of AgI in a 1.0 M NH3 solution Solution AgI = > A

calculate the molar solubility of AgI in a 1.0 M NH3 solution

calculate the nitrite level in the undiluted sample taking into account the dilu

calculate the nitrite level in the undiluted sample taking into account the dilution factor ?? calculate a relative spread for the absorbance values of the two diluted samples to …

calculate the number of grams of NaOH per 100ml to give a pH8.0 solution if pure

calculate the number of grams of NaOH per 100ml to give a pH8.0 solution if pure water at pH7.0 is used in the experiment. Repeat this calculation for a pH6.0 solution using HCl. …

calculate the osmotic pressure of a split containing 16.70 mg of hemoglobin in 1

calculate the osmotic pressure of a split containing 16.70 mg of hemoglobin in 15.5 mL of solution at 24 degrees Celsius. The molar mass of hemoglobin is 6.5•10^4 g/mol ercise 12.…

calculate the osmotic pressure of a split containing 16.70 mg of hemoglobin in 1

calculate the osmotic pressure of a split containing 16.70 mg of hemoglobin in 15.5 mL of solution at 24 degrees Celsius. The molar mass of hemoglobin is 6.5•10^4 g/mol ercise 12.…

calculate the pH for each of the following cases in the titration of 50.0 mL of

calculate the pH for each of the following cases in the titration of 50.0 mL of 0.170 M HClO (aq) with 0.170 M KOH (aq). The ionization constant for HClO can be found here (4.0*10…

calculate the pH of a 0.163 M aqueous solution of sulfurousacid given the acid -

calculate the pH of a 0.163 M aqueous solution of sulfurousacid given the acid -dissociation for H2SO3 are Ka 1 = 1.7 x 10^-2and Ka 2 = 6.4 x 10 ^-8 the correct answer is 1.4 but …

calculate the pH of each solution given the following H3O+ or OH- values A. H3O+

calculate the pH of each solution given the following H3O+ or OH- values A. H3O+ = 1.5x10^-8 M B. H3O+ = 5.5x10^-6 M C. OH- = 8.0 x 10^-2 M D. OH- = 7.0x 10^-3 M E. OH- = 3.0 x 10…

calculate the pH of the following buffer a.7.8 x 10^-2 M HC_2H_3O_2 and 8.6 time

calculate the pH of the following buffer a.7.8 x 10^-2 M HC_2H_3O_2 and 8.6 times 10^-2 M NaC_2H_3O_2 4. A buffer is made from 3.7 times 10^-1 M HC_2H_3O_2 and 2.9 times 10^-1 M N…

calculate the pH of the hydrochloric acid solution at the following points durin

calculate the pH of the hydrochloric acid solution at the following points during titration. using answer from 5a (concentration of 0.2M HCl = 0.07292g HCl/0.010L) A) starting poi…

calculate the percent error of your observed value versus the reference value fo

calculate the percent error of your observed value versus the reference value for all three portions of the lab. Give an acceptable source of error for each percent error.. 104 Ex…

calculate the percet error in your experimentally determined k_as for the HC_2H_

calculate the percet error in your experimentally determined k_as for the HC_2H_3O_2 solutions in Part III, using Equation 20 percent error % = (calculated K_s - literature K_a/li…

calculate the ph at the equivalence point in titrating 0.100M solution of chloro

calculate the ph at the equivalence point in titrating 0.100M solution of chlorous acid(HCLO2) WITH 0.080M NaOH.

calculate the ph at the equivalence point in titrating 0.100M solution of chloro

calculate the ph at the equivalence point in titrating 0.100M solution of chlorous acid(HCLO2) WITH 0.080M NaOH.

calculate the ph for each Calculate the pH for each of the following cases in th

calculate the ph for each Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HCIO(aq) with 0.140 M KOH (aq). The ionization constant for HCIO …

calculate the ph of a buffer solution prepared by dissloving 5.00 gof acetic aci

calculate the ph of a buffer solution prepared by dissloving 5.00 gof acetic acid and 5.00 g of sodium acetate in sufficient water toyield a final volume of 1000.0 ml calculate th…

calculate the ph of a buffer solution prepared by dissloving 5.00 gof acetic aci

calculate the ph of a buffer solution prepared by dissloving 5.00 gof acetic acid and 5.00 g of sodium acetate in sufficient water toyield a final volume of 1000.0 ml calculate th…

calculate the ph of a buffer solution prepared by dissloving 5.00 gof acetic aci

calculate the ph of a buffer solution prepared by dissloving 5.00 gof acetic acid and 5.00 g of sodium acetate in sufficient water toyield a final volume of 1000.0 calculate the p…

calculate the profit from producing 59.00 of of propene oxide by this alternativ

calculate the profit from producing 59.00 of of propene oxide by this alternative green process . You completed tis assignment e previous | 15 of 15 Ireturn to assig Alternative m…

calculate the resolving power of the TOF-MS using the 10% valley formula and the

calculate the resolving power of the TOF-MS using the 10% valley formula and the half-width formula. NOTE THE ANSWERS SHOWN ARE INNCORRECT. Please provide correct methods and step…

calculate the standard cell potential for the reaction below please help with qu

calculate the standard cell potential for the reaction below please help with questions 2 and 3 A. Calculate the standard cell potential (E degree cell) for the reaction below: Pb…

calculate the standard deviation in the measured Mass of the empty stoppered fla

calculate the standard deviation in the measured Mass of the empty stoppered flask (see appendix: Mistakes, Errors, Accuracy, and Precision). Some Measurements of Mass and Volume …

calculate the standard molar enthalpy of formation delta H degree f of N2H4(g) f

calculate the standard molar enthalpy of formation delta H degree f of N2H4(g) from the following information: N2(g) + 2H2(g) --> N2H4(l) deltaH degree rxn= +50.6 kJ N2H4(g) --…

calculate the standard molar enthalpy of formation delta H degree f of N2H4(g) f

calculate the standard molar enthalpy of formation delta H degree f of N2H4(g) from the following information: N2(g) + 2H2(g) --> N2H4(l) deltaH degree rxn= +50.6 kJ N2H4(g) --…

calculate the standard state entropy for the following reaction 6Co2(g)+6H2O= c6

calculate the standard state entropy for the following reaction 6Co2(g)+6H2O= c6H12aO(s)+6O2 Part B Calculate the standard-state entropy for the following reaction: 6 CO2(g) +6 H2…

calculate the theoretical yield for the bromination of both stilbenes, assuming

calculate the theoretical yield for the bromination of both stilbenes, assuming the presence of excess pyridinium tribromide. Note the theoretical yields here. Will use 100 microl…

calculate the total energy transferred when cooling a 50 gram sample of H2O from

calculate the total energy transferred when cooling a 50 gram sample of H2O from 25 celcius to -25 celcius. Asumme no energy is lost to the surroundings C(g)= 1.996 j/g.Celsius C(…

calculate the volume percent of solute in each of the following solutions. ao po

calculate the volume percent of solute in each of the following solutions. ao points) a.) 20.0 mL of Methyl Alcohol in water to make 475 mL of solution. enough 4.-21 os 3 b) 4.00 …

calculate the weight of each of the phospahte buffercomponents that you are goin

calculate the weight of each of the phospahte buffercomponents that you are going to use to make the phosphate bufferin part I of the experiment. prepare 300 ml of 0.05M of KH2PO4…

calculate water footprint and to analyze global and national water savings. **Qu

calculate water footprint and to analyze global and national water savings. **Question** Water footprint calculations. Four countries (A, B, C and D) planning to trade rice. All f…

calculate: initial and equilibrium[SCN-], initial and equilibrium [Fe+3], equili

calculate: initial and equilibrium[SCN-], initial and equilibrium [Fe+3], equilibrium [FeNCS+2] Lets see if you can replicate the calculations that you did on your data sheet. Gi …

calculate: the volume of the erlenmeyer flask, volume of vapour at STP, mass of

calculate: the volume of the erlenmeyer flask, volume of vapour at STP, mass of vapour, molar mass of unknown. pressure is 17.5 mmHg.    Table 1: Data to determine molar mass of t…

calculation for each sample CHEMICAL EQUILIBRIUM II (Lab #3) (continued) pH OF S

calculation for each sample CHEMICAL EQUILIBRIUM II (Lab #3) (continued) pH OF SOLUTIONS and IONIZATION CONSTANTS OF WEAK ACIDS AND BASES PROCEDURE 1. Turn on the pH meter and let…

calculation of mass of Apparatus Caco Caco, sample for analysis from aboratory A

calculation of mass of Apparatus Caco Caco, sample for analysis from aboratory Assignment, question 2) 23 0.040 L nay, 40mL 0.040 mole ratio 22.4 is 1:1 sncaco aoz Caco, 000 mcado…

calori ml. Part IV. Specific Heat Capacity of an Unknown Metal 51. Volume of wat

calori ml. Part IV. Specific Heat Capacity of an Unknown Metal 51. Volume of water 52. Calculate the mass of water 22.2 do 53. Mass of unknown metal 54. Initial temperature of wat…