Chemistry

1-◇Formed with NaOH, HCl, NH3 and H2CO3 acids and bases; I. NaCl, II. Na2CO3, III. NH4Cl Which or which salts hydrolysis?
a) I only b) II only c) III only d) I and II e) II and III

2-◇H2 (g) + CO2 (g) <----> H2O (g) + CO (g) K1 2CO (g) + O2 (g) <----> 2CO2 (g) K2 Since there is 2H2O (g) <----- What is the equilibrium constant of the reaction of> 2H2 (g) + O2 (g) in terms of K1 and K2?
a) K1^2xK2
b) 2K1 + K2
c) -2K1-K2
d) 1 / K1^2xK2
e) 1 / 2K1xK2

3-◇In a chemical reaction; (A) changes the mechanism, does not affect ΔH, (B) Mechanism and does not change the rate constant, it affects the reaction rate, (C) Changes the rate constant and speed. Which of the following is true for A, B and C? 

 a)Catalyst Concentration Temperature  b)Temperature Concentration Catalyst
c) Catalyst Temperature Concentration  d)Concentration Catalyst Temperature  e)Temperature Catalyst Concentration

  1. 👍 0
  2. 👎 0
  3. 👁 182
  1. 1-◇Formed with NaOH, HCl, NH3 and H2CO3 acids and bases; I. NaCl, II. Na2CO3, III. NH4Cl Which or which salts hydrolysis?
    a) I only b) II only c) III only d) I and II e) II and III

    The answer is e but DO YOU KNOW WHY? It doesn't help you for me to give you the answer if you can't do a hydrolysis problem on your own.

    2-◇H2 (g) + CO2 (g) <----> H2O (g) + CO (g) K1 2CO (g) + O2 (g) <----> 2CO2 (g) K2 Since there is 2H2O (g) <----- What is the equilibrium constant of the reaction of> 2H2 (g) + O2 (g) in terms of K1 and K2?
    a) K1^2xK2
    b) 2K1 + K2
    c) -2K1-K2
    d) 1 / K1^2xK2
    e) 1 / 2K1xK2
    The answer is a but do you know why? Can you do one of these on your own?

    I don't understand question 3.

    1. 👍 0
    2. 👎 0
    👨‍🏫
    DrBob222
  2. In 3 question
    Which of these options do they define as A, B and C definitions?

    a)Catalyst, Concentration, Temperature
    b)Temperature, Concentration, Catalyst
    c) Catalyst ,Temperature, Concentration
    d)Concentration, Catalyst ,Temperature
    e)Temperature, Catalyst, Concentration

    1. 👍 0
    2. 👎 0
  3. No help. I still don't get 3.

    1. 👍 0
    2. 👎 0
    👨‍🏫
    DrBob222
  4. Thank you so much 🤗

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry - Acid and Bases

    In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases, or other. HNO3 HBr HF CH3COOH H3PO4 NaOH Ba(OH)2 (CH3)3N NH3 NaCl

  2. Chemistry-Repost

    Write formula equations and net ionic equations for the hydrolysis of sodium carbonate in water. Responses Chemistry - DrBob222, Friday, April 24, 2009 at 10:50pm The hydrolysis of Na2CO3 ends us as the hydrolysis of the carbonate

  3. Chemistry

    HCl(aq) + NaOH(aq) -> NaCl(aq) + H2O(l) NH4Cl(aq) + +NaOH(aq) -> NH3(aq) + NaCl(aq) + H2O(l) NH3(aq) + HCl(aq) -> NH4Cl(aq) Write net ionic equations for the three reactions. Show how the first two reactions are arranged

  4. chemistry

    How many grams of NaCl would be formed from 100 grams of Na2CO3 in the following reaction? Na2CO3 + 2 HCl → 2 NaCl + CO2 + H2O

  1. AP Chem

    Reaction 1: NaOH + HCL --> H20 + NaCl delta H of -100.332 kj/mol Reaction 2: NaOH + NH4Cl --> NH3 + H20 : delta H of 358.639 kj/mol Reaction 3: HCl + NH3 --> NH4Cl : delta H of -51.701 kj/mol Use your answers from question 2 above

  2. Chemistry

    1.0L of aqueous solution in which [H2CO3]=[HCO3^-]=0.10M and has [H^+]=4.2E-7. What is the concentration of [H^+] ofter 0.005 mole of NaOH has been added? H2CO3 ==> H^+ + HCO3^- k1 = (H^+)(HCO3^-)/(H2CO3) I don't know if you are

  3. Chemistry

    0.7g of an unknown mixture of NaHCO3 and Na2CO3 is mixed with 3mL of 12M HCl.what is the mass of NaHCO3 and Na2CO3 in the mixture of NaHCO3 and Na2CO3? Use these equations: NaHCO3+HCl--> NaCl+CO2+H2O Na2CO3+2HCl-->2NaCl+CO2+H2O

  4. chemistry

    Can someone give me some directions as to how to reach the answer for this problem: A 0.608g sample of fertilizer contained nitrogen as ammonium sulfate, (NH4)2 SO4(s)+2NaOH(aq)-->Na2SO4(aq)+ 2H2O(l)+2NH3(g) The ammonia was

  1. Chem

    If you begin with 10. liters of 0.15 M NaCl, what mass of NaOH can be formed? 2 NaCl(aq) + 2 H2O(liq) ¨ H2(g) + Cl2(g) + 2 NaOH(aq)

  2. Organic Chemistry

    We've been working on extraction of known/unknown compound mixtures lately, and we have to give equations for the acid-base reactions that occurs between HCl, NaOh and (a) R-COOH (b) R-NH2, and (c) Neutral compounds (naphthalene

  3. Chemistry

    I need to predict the acid/base reactions of sodium carbonate with HCl, CH3COOH, NH3, and NaOH. I'm stuck, when I'm writing out the ions to find the strongest acid and base, does the NaHCO3 become Na and HCO3, or N, H, and CO3?

  4. Chemistry 12

    9. According to Arrhenius, which of the following groups contain: i)only acids ii)only bases a. NaOH, H2CO3, KCl b. MgCl2, H2SO4, HCl c. HNO3, HCl, H3PO4 d. Mg(OH)2, AgBr, HF e. KOH, NH4OH, Ba(OH)2 10. Enough water is added to 100

You can view more similar questions or ask a new question.