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An aqueous potassium chloride, KCI, solution is made by dissolving 0,350 mol KCl in 6000 g...
A.) An aqueous solution of sulfuric acid is made by dissolving 585.0 g of sulfuric acid...
A.) An aqueous solution of sulfuric acid is made by dissolving 585.0 g of sulfuric acid in enough distilled water to make a one liter solution. Calculate the molarity, the molality, the mass% and the mole fraction of sulfuric acid in this solution. The density of this solution is 1.350 g/mL. MW H2SO4 = 98.00 g/mol. Please explain!! Thank you B.) Which substance(s) is (are) miscible in water? CH3CH2OH CI4 C6H6 CH3(CH2)13CH2OH CH3OH HOCH2CH2OH
The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium...
The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium chloride in 81.0 g of water is 3.48% none of these answers 2.86% 2.78% The solubility of copper (II) sulfate (g/100 g water) at 0°C and 100 °C is 14.3 g and 75.4 g, respectively. What would be the correct terms to describe solutions of 20 g Cu(SO4) in 100 mL water at 0 °C and 100 °C? saturated and saturated, respectively saturated and...
The gas-phase reaction of NO with F2 to form NOF and F has an activation energy...
The gas-phase reaction of NO with F2 to form NOF and F has an activation energy of Ea = 6.30 kJ/mol and a frequency factor of A = 6.00×108 M−1⋅s−1 . The reaction is believed to be bimolecular: NO(g)+F2(g)→NOF(g)+F(g) Part A What is the rate constant at 641 ∘C ? Express your answer to three significant digits with the appropriate units. For compound units, place a multiplication dot between units (e.g. J⋅mol−1⋅K−1). Which of the following statements reasonably explains why...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...
Review Constants Periodic Tab Part A The gas-phase reaction of NO with F to form NOF...
Review Constants Periodic Tab Part A The gas-phase reaction of NO with F to form NOF and has an activation energy of E. = 6.30 kJ/mol and a frequency factor of A = 600-108 M. The reaction is believed to be bimolecular NO(s)+F2(g) NOF(g) + F(g) where NO is a free radical. Free radicals, species with an odd number of unbound electrons tend to be more reactive. This is one reason by NO reacts so readily with gases such as...
9. Then add slowly while mixing 1 mL of saturated sodium bicarbonate solution (NaHCO3) -IT WILL...
9. Then add slowly while mixing 1 mL of saturated sodium bicarbonate solution (NaHCO3) -IT WILL BUBBLE! Add additional drops of saturated sodium bicarbonate solution with mixing until no additional bubbling occurs Congratulations! You have just made your first ester. Now you want to separate your ester product from the other stuff in the reaction mixture. CTQ3 Sodium bicarbonate is a base. How will it interact with any carboxylic acid molecules still present in your reaction mixture? 10. Add 1mL...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
Can someone help me finish my table? all the inforamtion is there. molarity of HCL =0.5M g...
can someone help me finish my
table? all the inforamtion is there.
molarity of HCL =0.5M
grams of borax = 18.41g
the Relationship between Thermodynamics and Equilibrium 21 Complete the data table for each temperature studied. Beaker Label 42 °C 45 °C 36 ° C 39 °C 33 °C 2EC 138℃-2°C| ーでー 46℃ Temperature reading (C) Absolute temperature (K) 1/T Final buret reading Initial buret reading Volume of HCI Moles of H+ Moles of B Os(OH)2 Molarity of B,Os(OH)2 306.230.2...
The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium chloride in 81.0 g of water is 3.48% none of these answers 2.86% 2.78% The solubility of copper (II) sulfate (g/100 g water) at 0°C and 100 °C is 14.3 g and 75.4 g, respectively. What would be the correct terms to describe solutions of 20 g Cu(SO4) in 100 mL water at 0 °C and 100 °C? saturated and saturated, respectively saturated and...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...
Review Constants Periodic Tab Part A The gas-phase reaction of NO with F to form NOF and has an activation energy of E. = 6.30 kJ/mol and a frequency factor of A = 600-108 M. The reaction is believed to be bimolecular NO(s)+F2(g) NOF(g) + F(g) where NO is a free radical. Free radicals, species with an odd number of unbound electrons tend to be more reactive. This is one reason by NO reacts so readily with gases such as...
9. Then add slowly while mixing 1 mL of saturated sodium bicarbonate solution (NaHCO3) -IT WILL BUBBLE! Add additional drops of saturated sodium bicarbonate solution with mixing until no additional bubbling occurs Congratulations! You have just made your first ester. Now you want to separate your ester product from the other stuff in the reaction mixture. CTQ3 Sodium bicarbonate is a base. How will it interact with any carboxylic acid molecules still present in your reaction mixture? 10. Add 1mL...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
can someone help me finish my
table? all the inforamtion is there.
molarity of HCL =0.5M
grams of borax = 18.41g
the Relationship between Thermodynamics and Equilibrium 21 Complete the data table for each temperature studied. Beaker Label 42 °C 45 °C 36 ° C 39 °C 33 °C 2EC 138℃-2°C| ーでー 46℃ Temperature reading (C) Absolute temperature (K) 1/T Final buret reading Initial buret reading Volume of HCI Moles of H+ Moles of B Os(OH)2 Molarity of B,Os(OH)2 306.230.2...
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