Q5: Level 1 (U16, L.G. 1) Predict the products of the reaction between HOBrand NaOH. A. H2O(l) + Nat(aq) + OBr(aq)...
1) The enthalpy of formation for H2O(l) is given by H2(g) + 1/2 O2(g) → H2O(l). Add this reaction to H2O(l) + 1/2 O2(g) → H2O2(aq). This is the reverse of the decomposition reaction from this experiment. Show the sum of the above two reactions is the enthalpy of formation of H2O2(aq) 2) Calculate the literature value for the enthalpy of decomposition of H2O2(aq) from the enthalpies of formation of H2O2(aq), H2O(l) and O2(g) found in your textbook or any...
A neutralization reaction between NaOH (aq) and HBr (aq) would give which two products? -------------------- PLEASE SHOW WORK NaH(s) + BrOH(aq) NaBr(s) + NaOH(aq) NaH2 (aq) + Br2(g) H20(l) + NaBr(aq)
18. Which of the following is the formation reaction for NaBr, corresponding to AH2 A. HBr(aq) + NaOH(aq) H:0(1) + NaBr(aq) B. Na(s) - V2 Brz() NaBr(s) C. 2 Na(s) + Brz(1) ► 2NaBr(s) D. Na(g) + Br(g) NaBr(s) E. NaBr(s) Na (aq) + Br(aq) 19. Which of the following systems" should have a positive change in entropy? A. 2 H2(g) + O2(g) → 2 H 0(0- B 2 H2(g) + O2(g) + 2 H2O(g) C. H2O(1) H.O(s) D. N204(0)...
C6H4(OH)2(aq) + H2O2(aq) ----> C6H4O2(aq) + 2 H2O(l) Given the entropies of the reactions below, calculate the entropy of the chemical explosion at 37 C. 2 H2O2 (aq) ------> 2H2O(l) +O2(g) = +0.4501 kj/mole*k C6H4((OH)2(aq) ------> C6H4O2(aq) + H2(g) = + 0.5033 kj/mole*k 2 H2(g) + O2(g) -----> 2 H2O (l) = -0.327.2 kj/mole*k
1. predict the products KOH, H2O + Ph H heat a. (21.4) 1. LDA (strong bulky base) vi H b. 2. then heat H (21.4) c. NaOH/ H2O i i H cold (21.3) 1. LDA ܘܐ 2. e. 3. mild acid for neutralization (21.5) 2. Predict the products NaOCH2CH3 1. NaOH/H2O 2. H HOCH2CH3 Br Br 3. Heat a. Nao in ethanol of b. (C9H1403) 21.8 ol H*, Brz. C. (21.1) NaOH, Bra d. (21.3) PC13, Br2 ОН e. (21.1)
What are the spectator ions in the reaction HF(aq) + NaOH(aq) - NaF(aq) + H2O(1) A.H* B.F C. Nat D. OH
Consider the following reaction. NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) If 25.0 mL of a 0.100 M solution of NaOH reacted with excess HCl, how many moles of NaCl could form? a. 0.00250 mol b. 0.100 mol c. 25.0 mol d. 2.50 mol 1 points QUESTION 9 Consider the following reaction. How many grams of sucrose would produce 2546 kcal? a. 649.4 g b. 1342 g c. 180.4 g d. 1.897 g
(21.5) 2. Predict the products NaOCH CHE 1. NaOH/H2O HOCH2CH3 Br Br 2. H+ 3. Heat a. Nao in ethanol b. (CH4403) 21.8 H*, Br2 (21.1) NaOH, Bra d. (21.3) PCI3, Br2 OH (21.1) e. 3. Claisen reactions have the advantage of flexibility among starting materials that will make the given product via Claisen-type react Maon
5. Consider the following redox molecular reaction: Na(s) + H2O(l) ? NaOH(aq) + H2(g) If water is written as HOH(), then the equation is Na(s) + HOH(l) ? NaOH(aq) + H2(g) Write the following reactions: Oxidation reaction: Reduction reaction: Balanced net ionic reaction: Reducing agent: Oxidizing agent:
Sodium reacts with water according to the reaction: 2Na(s)+2H2O(l)→2NaOH(aq)+H2(g) Identify the oxidizing agent. a) H2O(l) b) NaOH(aq) c) Na(s) d) H2 (g)