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mol 35:0g A 00g (0. 213 What mass of Co, inka eleased pon comlausthon 15...
please help due tonight 12. What mass of Na2CO, (molar mass = 106.0 g/mol) is required...
please help due tonight
12. What mass of Na2CO, (molar mass = 106.0 g/mol) is required to react completely with 21.6 ml. of 0.120 M HCI? (show all conversions using appropriate factors with units) (6 points) Na.CO3(aq) + 2HCl(aq) + 2NaCl(aq) + H2O(l) + CO(g)
A box (mass m = 15 kg) is placed on a slope (0 = 35°), as...
A box (mass m = 15 kg) is placed on a slope (0 = 35°), as shown in the diagram below. The coefficients of friction between the box and the slope are jis = 0.6 and Mk = 0.4. The box is released from rest on the slope. Determine the acceleration of the box after it is released. m 0 2.4 m/s2 O 5 m/s2 0 4.2 m/s2 O 6.7 m/s2 O 9.8 m/s2
Could someone plz help me with this 4 questions 51. What mass of Co,S, is required...
Could someone plz help me with this 4 questions
51. What mass of Co,S, is required Molar Mass /g mof-i to produce 88.0 g of solid cobalt? 2Co2S:(s)+ 3Cu(s) 4Co(s) + 3CuS2(s) (A) 160 g (B) 176g (C) 639 g Co Co2S3 58.93 214.1 (D) 9420 g A reaction mixture initially contains 0.250 mol of Zns and 0.250 mol of O2. After the mixture has reacted completely, how many moles of the excess reactant are left? 52. (A) 0.083 mol...
The volume composition of a gas mixture is given as H2: 30%, CO: 35%, CO2:15%, N2:...
The volume composition of a gas mixture is given as H2: 30%, CO: 35%, CO2:15%, N2: 15% and H2O: 5%. Determine: (a) mass fraction of the component gases in the mixture, (b) gas constant of the mixture, (c) constant pressure specific heat of the mixture, (d) Dew Point of the water in the mixture, (e) How much heat must be transfered to heat the gas mixture stream from 100 kPa, 70oC to 95 kPa, 590oC, and how much will be...
A generic solid, X, has a molar mass of 74.3 g/mol. In a constant-pressure calorimeter, 11.5...
A generic solid, X, has a molar mass of 74.3 g/mol. In a constant-pressure calorimeter, 11.5 g of X is dissolved in 213 g of water at 23.00 °C. X(s) X(aq) The temperature of the resulting solution rises to 25.20 °C. Assume the solution has the same specific heat as water, 4.184 J/(g:°C), and that there is negligible heat loss to the surroundings. How much heat was absorbed by the solution? = What is the enthalpy of the reaction? AH...
Yor u UELOW ! 35. What is the molar mass of a nonelectrolyte if 6.02 grams...
Yor u UELOW ! 35. What is the molar mass of a nonelectrolyte if 6.02 grams dissolved in 30.0 grams of benzene no va saven mol Sur freezes at -1.55 °C? The freezing point of pure benzene is 5.50 °C and the freezing point depression constant, Krp, is -5.12 Cm. ATEMki mm? a) 146 g/mol b) 201 g/mol c) 261 g/mol d ) 276 g/mol e) 376.2 g/mol Tsol- 5.50 = (-5.12) (X) Answer: a 0.03Kg 26 What is the...
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...
please help due tonight 10. What mass (in grams) of NaCl (molar mass = 58.4 g/mol)...
please help due tonight
10. What mass (in grams) of NaCl (molar mass = 58.4 g/mol) is needed to create 250.0 ml. of a 1.50 M NaCl solution (6 points)
Please help with this problem, Thanks! *Extra Info given: NaOH molar mass= 40.00g/mol HCl molar mass=...
Please help with this problem, Thanks!
*Extra Info given:
NaOH molar mass= 40.00g/mol
HCl molar mass= 34.46g/mol
HCI molar mass = 36.46 g/mol /// VU 1. If 25.88 ml of a 0.435 M HCl solution was titrated with 0.726 M NaOH solution, how much of NaOH would be required to reach the equivalence point? In addition, what would be the pH at the equivalence point? GRAA.435APHI
35) What is the mass of a 0.150 mole sample of sulfur? B) 0.208 g 35)...
35) What is the mass of a 0.150 mole sample of sulfur? B) 0.208 g 35) A) 4.68 g E)4.81 g D) 214 g C) 5.17 g 36) Lithium oxide can be produced by the reaction shown below. If a manufacturing company wants to make 25.0 g of Li20, what mass of Li is necessary? [Molar masses: Li, 6.94 g/mol; O, 16.00 g/mol] 36) 4Li(s)+O2)-2Li20(s) A) 0.0861 g Li B) 2.903 g Li C) 23.2 g Li D) 12.5 g...
please help due tonight
12. What mass of Na2CO, (molar mass = 106.0 g/mol) is required to react completely with 21.6 ml. of 0.120 M HCI? (show all conversions using appropriate factors with units) (6 points) Na.CO3(aq) + 2HCl(aq) + 2NaCl(aq) + H2O(l) + CO(g)
A box (mass m = 15 kg) is placed on a slope (0 = 35°), as shown in the diagram below. The coefficients of friction between the box and the slope are jis = 0.6 and Mk = 0.4. The box is released from rest on the slope. Determine the acceleration of the box after it is released. m 0 2.4 m/s2 O 5 m/s2 0 4.2 m/s2 O 6.7 m/s2 O 9.8 m/s2
Could someone plz help me with this 4 questions
51. What mass of Co,S, is required Molar Mass /g mof-i to produce 88.0 g of solid cobalt? 2Co2S:(s)+ 3Cu(s) 4Co(s) + 3CuS2(s) (A) 160 g (B) 176g (C) 639 g Co Co2S3 58.93 214.1 (D) 9420 g A reaction mixture initially contains 0.250 mol of Zns and 0.250 mol of O2. After the mixture has reacted completely, how many moles of the excess reactant are left? 52. (A) 0.083 mol...
A generic solid, X, has a molar mass of 74.3 g/mol. In a constant-pressure calorimeter, 11.5 g of X is dissolved in 213 g of water at 23.00 °C. X(s) X(aq) The temperature of the resulting solution rises to 25.20 °C. Assume the solution has the same specific heat as water, 4.184 J/(g:°C), and that there is negligible heat loss to the surroundings. How much heat was absorbed by the solution? = What is the enthalpy of the reaction? AH...
Yor u UELOW ! 35. What is the molar mass of a nonelectrolyte if 6.02 grams dissolved in 30.0 grams of benzene no va saven mol Sur freezes at -1.55 °C? The freezing point of pure benzene is 5.50 °C and the freezing point depression constant, Krp, is -5.12 Cm. ATEMki mm? a) 146 g/mol b) 201 g/mol c) 261 g/mol d ) 276 g/mol e) 376.2 g/mol Tsol- 5.50 = (-5.12) (X) Answer: a 0.03Kg 26 What is 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...
please help due tonight
10. What mass (in grams) of NaCl (molar mass = 58.4 g/mol) is needed to create 250.0 ml. of a 1.50 M NaCl solution (6 points)
Please help with this problem, Thanks!
*Extra Info given:
NaOH molar mass= 40.00g/mol
HCl molar mass= 34.46g/mol
HCI molar mass = 36.46 g/mol /// VU 1. If 25.88 ml of a 0.435 M HCl solution was titrated with 0.726 M NaOH solution, how much of NaOH would be required to reach the equivalence point? In addition, what would be the pH at the equivalence point? GRAA.435APHI
35) What is the mass of a 0.150 mole sample of sulfur? B) 0.208 g 35) A) 4.68 g E)4.81 g D) 214 g C) 5.17 g 36) Lithium oxide can be produced by the reaction shown below. If a manufacturing company wants to make 25.0 g of Li20, what mass of Li is necessary? [Molar masses: Li, 6.94 g/mol; O, 16.00 g/mol] 36) 4Li(s)+O2)-2Li20(s) A) 0.0861 g Li B) 2.903 g Li C) 23.2 g Li D) 12.5 g...
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