Q5: Level 1 (U16, L.G. 1) Predict the products of the reaction between HOBrand NaOH. A. H2O(l) + Nat(aq) + OBr(aq)...
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)
The decomposition of hydrogen peroxide (H2O2(aq)) is proposed to follow a reaction mechanism of Step 1: H2O2(aq) + Br(aq)-H2O(l) + BrO (aq) Step 2: Bro (aq) + H2O2(aq),H2O(l) + O2(g) + Br(aq) What is the catalyst, and what is the effect of having a catalyst present? Periodic Table and Datasheet Br is the catalyst, and the reaction follows a faster pathway with Br than without BrO is the catalyst, and the reaction follows a faster pathway with Bro-than without Bro...