8. Calculate the density of an unknown metal at 0sc if 5.52 grams of ice occupies...
c. 6.0 × 10-10 d. 4.4 x 1014 ·5 × 10-11 42 8. How many grams of Mn(OH)s will dissolve in 1350 ml. of water at 25° K-1.0x 1036 4.6 × 10-8 g 6.3 x 10 g c. 5.9x 1010 g d. 1.4 x 107g e. 9.3 x 107g - 10 D15-10
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose? A) 180. g B) 639 g C) 103 g D) 426 g E) 50.7 g А с ОЕ B D Question 23 (2.5 points) How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg in the following reaction? 2Mg (s) + O2(g) → 2MgO(s) A) 30.4 g B) 50.4 g C) 60.8 g D) 101 g E) 201...
8. Calculate the following. a. Molarity of solution made by dissolving 35.00 grams of NaC,H,O2 in 1.25 L solution b. Number of moles in 25.0 mL of 0.00150 M BaCl2 c. Grams of HNO3 in 250.0 mL of 14.3 M HNO3 d. Milliliters of 0.750 M H3PO4 that contain 0.150 mol H3PO4 e. Milliliters of 0.825 M H2SO4 that contain 7.82 x 10" molecules of H2SO4 9. Forensic chemists use Super Glue to help them see fingerprints left behind at...
i 52) (a) Use the enderson-Hasselbalch equation to calculate the pH of a buffer solution that is 0.45 M in and 0.15 M in NH,. (b) How would you prepare arn (The Ks for NH, is 1.8 x 10) NH4CI-NH, buffer that has a pHi of 9.007 of 0.100 M. The relevant equilibrium is shown below. What is the pH of this buffer solution? 9 54) At 40 C, the pH of water is 6.77, what is lon-Product Constant for...
please explain and help calculate the orange cirlced ones
L in volume at STP 1. One mole of an IDEAL GAS occupies a) 12.2 6) 22.4 c) 23.6 d) 40 (2What are the units for the molar volume of a gas? -a) Moles/liter -b) Liters/mole Grams/mole d) Moles/grams What is the gas produce in this experiment CaCO3+ HCI? a) O2 b) CO2 c) NO2 d) H2 e) Natural gas on: 2:23 los molhoz 4 When CaCO3 react with HCI, calculate...
can you please do 8,9, and 10
8 The Following reaction is classified as D T 103110D 2931 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H2O( lo a) oxidation-reduction reaction b) precipitation reaction c) single replacement d) acid-base neutralization reaction What is the volume of 0.1220 M HNO, solution required to completely neutralize 1750 ml. of 0.1211 MNOH? Reaction is: HNO, (aq) + NaOH(aq) - N.NO, (a) Hot a) 17.37ml. b) 16.31 ml. c) 15:39 L 1784 m. alda 10....
can you please do 11,12,and 13
8 The Following teaction is elassified as: T 3HT T0 333LIO 283 D 2HCI (aq)+ Ba(OH)p(ag) BaCh (aq)+2 Hy0) d lo C00-10 M a) oxidation-reduction reaction b) precipitation reaction e) single replacement d) acid-base neutralization reaction What is the volume of 0.1220 M HNO, solution required to completely neutralize 17.50 ml. of 0.1211 M NaOH? 9. ors NaNO, (aq) +HO (aq) e a) 17.37 ml. b) 16.31 mL c) 15.39 ml. d) 17.84 m...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H20(0) b) precipitation reaction oxidation-reduction reaction d) acid-base neutralization reaction 9. c) single replacement What is the volume of 0.1220 M HNO, solution required to completely neutralize 17.50 ml of 0.1211M NAOH? Reaction is: HNO, (aq) + NaOH(aq) -NaNO, (aq) + H:0 (aq) a) 17.37 ml b) 16.31 ml. c) 15.39 ml. d) 17.84 mL 10. Which one of the following reactions is the reduction reaction?...
I need help with 8 & 9 please.
- ZOOM + 1. A 20.0-gram piece of aluminum at 0.0°C is dropped into a calorimeter containing some hot water. The temperature of the water drops from 90.0°C to 75.0°C. What is the mass of water in the calorimeter? 2. When 13.0 grams of solid NaOH dissolves in 400.0 grams of water in a coffee-cup calorimeter, the temperature of the water rises from 22.2°C to 30.3°C. What is q? What is AHxn...
Hope the genius can help me those questions.
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Name 1. Definitions. Fill in the blank with the LETTER of the most appropriate term from the following A. Bronsted-Lowery acid C. strong acid E. weak electrolyte G. weak acid I. Arrhenius acid B. D. electrolyte base H. ions J. Arrhenius base L. autoionization of water N. Boyle's Law P. Charles Law S. pressure V. manometer X. Dalton's Law K. hydronium ion M. pH scale O. combined gas law R....