Reactants A and B form product C. Draw a road map and write a Plan to find the mass (g) of C when 25 g of A reacts with excess B.
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Reactants A and B form product C. Draw a road map and write a Plan to find the mass (g) of C when 25 g of A reacts with excess B.
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- I Write a balanced equation for each of the following two reactions that you will use in this activity. In the boxes provided, draw a diagram showing this reaction at the molecular level. Be sure that the drawing shows conservation of mass (see Figure 1.7A and B). a Calcium chloride reacting with sodium phosphate (double replacement) CaCl2 (aq) + NazPO4 (aq) → (_) + Reactants Products b Zinc reacting with hydrochloric acid (single replacement) Zn (s) + HCI (aq) → (_) + Reactants ProductsHighlight your values of A,B,C and D. For your question: A mL of B mol/L sodium phosphate solution is combined with C mL of D mol/L calcium bicarbonate. (Calcium bicarbonate is soluble.) A mL B mol/L C mL D mol/L 75.0 ml 0.300 67.5 0.350 Before you begin your reaction, you must accurately produce 1.500 L of your sodium phosphate solution from sodium phosphate trihydrate solid. Write out a procedure to explain all the steps you will take in the lab when making the solution to ensure that your solution concentration is accurate. Please include calculations that show the required mass of solid. Also include the correct names of all equipment used.ver is given. A +B C+ D 1) Calculate AG for the above react un and indicáte whether the reaction is favorable or unfavorable [A] = 0.9 M 20°C AG° = 4 KJ/mol %3D [B] = 15mM [C] = 4mM [D] = 3 M R= 8.314 J/moleK %3D %3D 4.7 and explain how you know.
- Consider the reaction A + 2B ----> C. If the molar mass of C is twice the molar mass of A, what mass of C is produced by the complete reaction of 10.0 g A?(a) 10.0 g(b) 30.0 g(c) 60.0 gThe reaction quotient is Q=1.6×10-26 Part B What pH is needed to produce this value of Q if the concentration and pressure values are [Br2]=2.50×10−4M , [Br−]=11.65M, [SO42−]=9.50M, and PSO2=3.50×10−5atm ? Express your answer numerically to two decimal places.This is a plot under standard conditions of free energy corresponding to a chemical reaction of A+B to C+D. What will happen if only C+D are present under standard temperature and pressure? Please explain why.
- a. What is the equilibrium constant for a reaction that is carried out at 25 °C (298 K) with H° = 20 kcal/mol and S° = 5.0 * 10 - 2 kcal mol -1 K-1? b. What is the equilibrium constant for the same reaction carried out at 125 °C?Equal volumes of a 1.0M lead(II)nitrate mixed with1.0M sodium chloride. Write a balanced reaction. Determine the spectator ions and write a net ionic reaction.A certain first order reaction has the rate law Rate = k[A] with k=0.0068 sec-1. If the initial concentration of A is 0.75 M, what will be the concentration of A after 1 minute? What is the half-life for this reaction? How much time will it take for 75% of A to react? How much A will be left after the passage of three half-lives? What is the initial rate of the reaction?
- Quinine ( C20 H24 N2 O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine, pK, = 5.1 and pK, = 9.7 ( pKp = – log Kp). Only 1 g quinine will dissolve in 1920.0 mL of solution. Calculate the pH of a saturated aqueous solution of quinine. Consider only the reaction | Q+ H2O= QH+ + OH- described by pK, where Q = quinine. pH =What we know : Molar mass of Alliin= 177.25g/mol 1 clove of garlic = 18oz assume alliin takes up 10% ( by mass) of the garlic used in the recipe ( 1.25 cloves) how many moles of Alliin are you using please show all work and equations/ conversionsGive a reaction equation for the qualitative and quantitative determination of I2.