3. At a given temperature, the solubilities of several salts are as given Ba(NO3)2: S =...
help with thes
12. In the reaction, K2SO4(99) + Ba(NO3)2(aq) + BaSO4(s) + 2 KNO3(aq), which ions are the spectator ions? a. Ba2+ and SO42- b. Ba2+ and K+ c. Ba2+ and NO3 d. K+ and SO42- e. K+ and NO3 13 Which is the net ionic equation for the reaction which takes place when HCl(ag) is added to KOH(aq)? a. HCl(aq) + KOH(99) KCl(aq) + H2O(1) b. H(aq) + OH(aq) + H2O(1) c. HCl(aq) + OH(aq) + Cl(aq) +...
Question 1 2 pts Given the balanced chemical equation: Thermometer Ba(NO3)2(aq) + Na2SO4(aq) →BaSO4(s) + 2 NaNO3(aq) - Stirrer A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find Hrxn for this reaction. Cs,soln = 4.18 J/g °C Cover Step 1: The reaction...
D Question 6 1 pts Given the balanced chemical equation: Ba(NO3)2(aq)+ Na2SO4(aq) BaSO4(s) + 2 NaNO3(aq) ons A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find ΔHrxn for this reaction. Csson-4.18 J/g °C Stirrer sources Cover Step 1: The reaction is I...
3.) a.) For each of the following pairs of formulas, predict whether the substances they represent would react in a precipitation reaction. If there is no reaction, write, "NONE". If there is a reaction, write the complete equation for the reaction. (Use the lowest possible whole number coefficients. Include states-of-matter in your answer.) (a1) NH4Cl(aq) + CaSO3(aq) (a2) NaCl(aq) + Pb(NO3)2(aq) (a3) NaOH(aq) + Zn(NO3)2(aq) b.) When the following solutions are mixed together, what precipitate (if any) will form? (If...
1) Will a precipitate form when 0.150 L of 0.10 M Pb(NO3)2 and 0.100 L of 0.20 M NaCl are mixed? (The K., for PbClzis 1.2 x 10-5 (Show your calculations) 2) Calculate whether a precipitate will form if 2.00 ml. of 0.60 M NH, are added to 1.0 L of 1.0 X 10 M FeSO4. (Show your calculations) (Given that Ko - NSON - 1.8 x 10 and Kp [Fe(OH):) - 1.6 10-") [NH, 3) Solid silver chromate is...
3 S 6 9 Question 49 (2 points) Saved You prepare a solution by adding a solid to water and shaking vigorously. After letting it settle, you observe solid at the bottom and a transparent solution above the solid. Which term properly describes the solution above the solid? 12 supersaturated insoluble 15 saturated 18 unsaturated Question 50 (2 points) ✓ Saved A precipitate is expected to be formed when an aqueous solution of sodium sulfate is added to an aqueous...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq) + NaOH(aq) HCl(aq) + Ca(OH)2(aq) K2SO4(aq) + Hg2(NO3)2(aq) NaNO3(aq) + NH4Cl(aq) 16. Which of the following is a precipitation reaction? Zn(s) + 2 AgNO3(aq) 2 Ag(s) + Zn(NO3)2(aq) NaCl(aq) + LiI(aq) NaI(aq) + LiCl(aq) 2 KI(aq) + Hg2(NO3)2(aq) Hg2I2(s) + 2 KNO3(aq) HI(aq) + NaOH(aq) NaI(aq) + H2O(l) None of these are precipitation reactions. 17. Which...
Question 1 (1 point) A 52.30 g sample of Ba(OH)2 is dissolved in enough water to make 1.20 L of solution. How many milliliters of this solution must be diluted with water in order to make 1.00 L of 0.100 M Ba(OH)2? 62.8 mL 254 mL O 305 ml O 523 mL O 393 mL O Question 2 (1 point) A chemist needs 225 mL of 2.3 M HCl. What volume of 12 M HCl must be dissolved in water...
Food and beverage containers are commonly made of tin, steel, aluminum, or a combination of metals. Suppose that a laboratory procedure requires a can be made of aluminum. Which property can be used to determine if a can is likely to be made of aluminum? O color Odensity volume mass What is the density of a pear that occupies 32 cm and has a mass of 42 g O 0.7619 g-cm 0 2.0 g.cm O 1.3125 g-cm O 0.76 g.cm...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction? anoina to aizy ona svidstils Reaction Class 1 2 iliw 15 TO15192do art sshommua bns nosgol rond dass 101 12575 gbubnium oY noi de lo enor Som 10 910 w II woy Xd on abian aningstid on naloga uzib 3 OOH 4 5 DHET 6 7 SET adus 00 9 Complex ion formation 10 11 No reaction 12 13 14 Combination 15 16 17...