number 2 and three please! Remaining Time: 47 minutes, 27 seconds. Question Completion Status: 123456789 10...
PLEASE SHOW WORK & EXPLAIN ANSWER :) 1.) At 25 oC the solubility of barium fluoride is 7.52 x 10 -3 mol/L. Calculate the value of K sp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect). 2.) At 25 oC the solubility of iron(II) hydroxide is 1.59 x 10 -5 mol/L. Calculate the value of K sp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT...
QUESTION 3 At 25 °C the solubility of mercury(II) sulfide is 1.26 x 10-26 mol/L. Calculate the value of Ksp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).
At 25 °C the solubility of silver bromide is 8.77 x 10' mol/L. Calculate the value of Ksp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).
2.) At 25 oC the solubility of iron(II) hydroxide is 1.59 x 10 -5 mol/L. Calculate the value of K sp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).
At 25 oC the solubility of calcium sulfate is 4.90 x 10 -3 mol/L. Calculate the value of K sp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).
1) A 10.0 mL sample of saturated calcium hydroxide solution is titrated using 0.0149 mol/L hydrochloric acid. To reach the titration endpoint, 31.31 mL of hydrochloric acid is required. What is the molar solubility of calcium hydroxide, in mol/L, at the temperature of the experiment? Provide your answer to the correct number of significant figures. 2) A 10.0 mL sample of saturated calcium hydroxide solution is titrated using 0.0072 mol/L EDTA. To reach the titration endpoint, 33.32 mL of EDTA...
question 27
Remaining Time: 27 minutes, 33 seconds. Question completion Status QUESTION 27 po Calculate the volume of 2.12 moles of nitrogen gas at temperature of 31.7°C and a pressure of 1.35 atm. Report your answer as a numeric response to the correct degree of certainty and include the symbol (g. mL, L, etc.) of the proper final units (0.0821 L'atm mol-K QUESTION 28 The reaction N2 + 3 H2 → 2NH3 is used to produce ammonia. When 450. g...
can someone please help me with these three please
QUESTION 1 The rate law of a reaction is rate = k[X][Y][Z]. The units of the rate constant are O mol2 L-25-1 OL2 mol-25-1 mol L-lg-2 O L mol-lg-1 O mol L-15-1 QUESTION 2 For the equilibrium 2PH3(e) = P2(e)+3H2(g), the equilibrium partial pressures are PpH, -0.023 atm, PP, 0.32latm. and PH -0.732 atm at 738K. Calculate Kp. *Please report 3 significant figures. Numbers only, No unit. No scientific notation. QUESTION...
Remaining Time: 10 minutes, 52 seconds. Question Completion Status: QUESTION 1 A business has production costs of $500/unit, and marketing costs of $40/unit. Every unit is sold at $600. There are some costs to be paid even if there is no production, and these are $230/month. The owner desires a profit of $250/month. The breakeven quantity is A 9.00 B1.70 8.33 0.3.83 L 3.00 QUESTION 2 is common for a carte to collapse when one or more firms in the...
Remaining Time: 1 hour, 02 minutes, 15 seconds. * Question Completion Status: 1 26 2 27 3 28 4 29 5 30 6 31 7 32 8 33 9 34 10 35 11 36 12 37 13 38 14 39 QUESTION 31 What is the body's best source of calcium? milk products protein products products high in polyunsaturated fats products containing all non-essential amino acids QUESTION 32 What enhances iron absorption? consuming soluble fiber consuming vitamin C rich foods Remaining...