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21. What Kelvin temperature reading equals 61.2°F? A. -256.8 K B. 325.6 K C.-220.4 K D....
25. FeO, (molar mass = 159.7 g/mol) reacts with CO (molar maw28.0 /mol) according to the...
25. FeO, (molar mass = 159.7 g/mol) reacts with CO (molar maw28.0 /mol) according to the equation below. Calculate the number of moles of iron produced when 185,5 g CO reacts with excess F,O Fe(s) + 3 CO(g) - 300,() +2 Fe(s) A. 2.208 mol B. 13.25 mol C. 4.415 mol D. 9.93 mol E 3.311 mol 26. Tin(II) fluoride is added to some dental prod- ucts to prevent cavities. How many grams of tin(II) fluoride can be made from...
d. NH4(C5Ohm e. (NH4)2CO3 47. Which of the following are incorrectly paired a) Sr, alkaline earth...
d. NH4(C5Ohm e. (NH4)2CO3 47. Which of the following are incorrectly paired a) Sr, alkaline earth metal b) Ta, transition metal c) F, halogen d) As, halogen e) , transition metal 48. Which of the following are incorrectly paired? a) Phosphorus, Pr b) Palladium, Pd c) Platinum, Pt d) Lead, Pb e) Potassium, K 49. Which of the following names is incorrect? a) cobalt(II) chloride b) magnesium oxide c) aluminum(III) oxide d) diphosphorus pentoxide e) All of the above names...
a. 4.0 km b. 3.40 km c. 250 km d. 0.25 km e. none 12. Convert...
a. 4.0 km b. 3.40 km c. 250 km d. 0.25 km e. none 12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal c. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b....
Q43. Write formulas for the following cations: a. Potassium: b. calcium: c. ammonium: d. lead(II) :...
Q43. Write formulas for the following cations: a. Potassium: b. calcium: c. ammonium: d. lead(II) : e. copper(I) : f. zinc: g. titanium(IV) : h. silver: i. nickel(III): j. hydrogen: k. tin(II) : l. mercury(II) : m. iron(III) : Q44. Write formulas for the following anions: a. fluoride: b. oxide: c. iodide: d. carbonate: e. hydrogen carbonate: f. phosphate: g. sulfide: h. sulfate: i. nitride: j. nitrate: k. phosphide: l. chloride:
a) Use the tabulated half-cell potentials to calculate AGº for the following balanced redox reaction. (F=...
a) Use the tabulated half-cell potentials to calculate AGº for the following balanced redox reaction. (F= 96,485 C/mol e) 2Li(s) + Cl2(g) → 2 Cl-(20) + 2Li *(90 E Li (ag) +_ Li(s) -3.04V Cl: (g) + 2e_2 +1.36 V Cl(aq) -8.49 x 10 sk] b. -425 kJ a. C. +324 k] d. -849 kJ | b) Name the following coordination complex: [Fe(H 20) 4F 2]F a. tetraaguadifluoroiron(II) fluoride O b.tetraaquadifluoroiron(III) fluoride c. diflugrotetrahydroiron(II) fluoride O d. difluorotetrahydrgironfluoride c) How...
What is the value of K for this aqueous reaction at 298 K? A+B F C...
What is the value of K for this aqueous reaction at 298 K? A+B F C +D AG° = 20.93 kJ/mol K = At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 2 B(g) = C(g) + 2D(g) were found to be Pa = 4.86 atm, PB = 5.54 atm, Pc = 4.91 atm, and Pb = 5.82 atm. What is the standard change in Gibbs free energy of this reaction at 25 °C? AGеxn =...
need help, convert them like below pic S. OH- t. 10 w. CIO2 2- X. CO24...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d....
12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal C. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b.62 min c. 75 min d. 200 min e. none of the above 15. How...
5. Absolute zero (K=0 or -273.15°C) is what temperature on the Farenheit scale? a)459.4 F b)-301.43...
5. Absolute zero (K=0 or -273.15°C) is what temperature on the Farenheit scale? a)459.4 F b)-301.43 °F c)233.05 F d) -40.15 °F e) None of these is true 6. A lead bullet m-0.009kg) traveling at 450 mi/h strikes a tree and comes to a stop. If hall the heat produced is retained by the bullet, by how much does its temperature AT increase? (Specific heat of lead C1-0.13kJ/kg K) a)350K b)40°C €)65°F d)77 K e) None of these is true
- A. B. C. D. E. F. G. H. I. J. K. ...
- A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. Telecommuting - A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. Change - A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. Job Sharing - A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. Job Redesign - A. B. C. D. E. F. G. H. I. ...
25. FeO, (molar mass = 159.7 g/mol) reacts with CO (molar maw28.0 /mol) according to the equation below. Calculate the number of moles of iron produced when 185,5 g CO reacts with excess F,O Fe(s) + 3 CO(g) - 300,() +2 Fe(s) A. 2.208 mol B. 13.25 mol C. 4.415 mol D. 9.93 mol E 3.311 mol 26. Tin(II) fluoride is added to some dental prod- ucts to prevent cavities. How many grams of tin(II) fluoride can be made from...
d. NH4(C5Ohm e. (NH4)2CO3 47. Which of the following are incorrectly paired a) Sr, alkaline earth metal b) Ta, transition metal c) F, halogen d) As, halogen e) , transition metal 48. Which of the following are incorrectly paired? a) Phosphorus, Pr b) Palladium, Pd c) Platinum, Pt d) Lead, Pb e) Potassium, K 49. Which of the following names is incorrect? a) cobalt(II) chloride b) magnesium oxide c) aluminum(III) oxide d) diphosphorus pentoxide e) All of the above names...
a. 4.0 km b. 3.40 km c. 250 km d. 0.25 km e. none 12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal c. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b....
a) Use the tabulated half-cell potentials to calculate AGº for the following balanced redox reaction. (F= 96,485 C/mol e) 2Li(s) + Cl2(g) → 2 Cl-(20) + 2Li *(90 E Li (ag) +_ Li(s) -3.04V Cl: (g) + 2e_2 +1.36 V Cl(aq) -8.49 x 10 sk] b. -425 kJ a. C. +324 k] d. -849 kJ | b) Name the following coordination complex: [Fe(H 20) 4F 2]F a. tetraaguadifluoroiron(II) fluoride O b.tetraaquadifluoroiron(III) fluoride c. diflugrotetrahydroiron(II) fluoride O d. difluorotetrahydrgironfluoride c) How...
What is the value of K for this aqueous reaction at 298 K? A+B F C +D AG° = 20.93 kJ/mol K = At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 2 B(g) = C(g) + 2D(g) were found to be Pa = 4.86 atm, PB = 5.54 atm, Pc = 4.91 atm, and Pb = 5.82 atm. What is the standard change in Gibbs free energy of this reaction at 25 °C? AGеxn =...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal C. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b.62 min c. 75 min d. 200 min e. none of the above 15. How...
5. Absolute zero (K=0 or -273.15°C) is what temperature on the Farenheit scale? a)459.4 F b)-301.43 °F c)233.05 F d) -40.15 °F e) None of these is true 6. A lead bullet m-0.009kg) traveling at 450 mi/h strikes a tree and comes to a stop. If hall the heat produced is retained by the bullet, by how much does its temperature AT increase? (Specific heat of lead C1-0.13kJ/kg K) a)350K b)40°C €)65°F d)77 K e) None of these is true
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