number 2 and three please! Remaining Time: 47 minutes, 27 seconds. Question Completion Status: 123456789 10...
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...
Remaining Time: 2 hours, 47 minutes, 15 seconds. Question Completion Status: Path:p QUESTION 25 Consider the circuit below and answer the following questions. In this sketch, V=6 V, R=3000, and C=10 micro-F. C a) What is the maximum charge the capacitor can store in this circuit? b) How much energy will the capacitor store when it holds the maximum charge? c) How long will it take to charge the capacitor to half its maximum charge? Assume it starts with no...