Ask a new Chemical Reactions question. Multiple AIs will answer your question.

Newest Chemical Reactions Questions

1. Match the following descriptions to the overall type of reaction.Endothermic Exothermic Example: 2,900 kJ/mol - 3,150 kJ/mol = -
   1. 1 answer
   2. 55 views
2. Classify each reaction as combination, decomposition, single replacement, or double replacement.Part 1 of 3 HF + KOH - KF + H2O
   1. 1 answer
   2. 58 views
3. K2PO4(aq) + BaCl2(aq) + 2KCl(aq) + BaPO4(s)X Element Number of atoms K P O Ba C1
   1. 1 answer
   2. 48 views
4. Match the following reactions to their type.A. C3H8(g) + O2(g) → CO2(g) + H2O(g) B. Cu(s) + O2(g) → Cll2O(s) C. Li+ H2S →
   1. 1 answer
   2. asked by Holas
   3. 43 views
5. Column A1. A reaction in which the reactants are completely converted into products. The reaction goes to completion.: A
   1. 1 answer
   2. 46 views
6. Classify each reaction as combination, decomposition, single replacement, or double replacement.Part 1 of 3 (Choose one)
   1. 1 answer
   2. 99 views
7. Use the information above to answer the questions below.Column A 1. What is the total amount of bond energy that was absorbed to
   1. 1 answer
   2. 92 views
8. What type of reaction is:2H2O(l) 2H2(g) + 2O2(g) Group of answer choices Single Replacement (or substitution) Reaction
   1. 1 answer
   2. 106 views
9. Choose the 4 statements below that are TRUE for bond breaking and bond making in a chemical reaction. Choose 4 correct
   1. 1 answer
   2. 92 views
10. What type of chemical reaction is described in the following?In your body, DNA Polymerase is a protein that functions to speed
    1. 1 answer
    2. 89 views
11. What is the reaction the following general rates describe?Rate =2(Δ[O2]/Δt) = 1/2(Δ[NO2]/Δt) = -(Δ[N2O5]/Δt) 4 NO2 + O2
    1. 1 answer
    2. 83 views
12. 1. 839 kJ/mol C=C # of bonds is ____ it’s reactant, Energy: ____2. 495 kJ/mo. 0=0. # of bonds is ____ it’s reactant, Energy:
    1. 1 answer
    2. 48 views
13. When sodium (Na) and chlorine (Cl) are combined, a small amount of table salt is formed and a bright yellow light and a lot of
    1. 1 answer
    2. 74 views
14. Zn + HCl → ZnCl2 + H2This is a __________ reaction and the products are ________________. A single replacement; zinc chloride
    1. 1 answer
    2. 72 views
15. Ling is learning about chemical reactions in science class. She measured out 45 grams of vinegar and 10 grams of baking soda.
    1. 1 answer
    2. 57 views
16. Column AColumn A 1. What is the total amount of energy needed to break the 4 C-H bonds in 1 molecule of the reactant CH4? : What
    1. 1 answer
    2. 52 views
17. Which statement explains why there is a change in energy during a chemical reaction? a Chemical bonds are formed and broken,
    1. 1 answer
    2. 81 views
18. Silver (I) nitrate (AgNO3) reacts with copper (II) chloride (CuCul2) to produce silver (I) chloride (AgCl) and copper (II)
    1. 1 answer
    2. 74 views
19. Mg + ZnO = MgO + Zn
    1. 1 answer
    2. 43 views
20. Iron (II) sulfide reacts with oxygen to produce iron (III) oxide and sulfur dioxide.4 Upper F e Upper S Subscript 2 solid plus
    1. 1 answer
    2. 93 views
21. Sodium (Na) and iodine gas (I2) react to form sodium iodine (NaI).Which equation is a correct representation of the balanced
    1. 1 answer
    2. asked by Estrella
    3. 99 views
22. What type of reaction is this CH3CH2OH + HCl = CH3CH2Cl + H2O?Substitution Elimination Addition Oxidation
    1. 1 answer
    2. 78 views
23. 2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
    1. 1 answer
    2. 89 views
24. 1. Will Iron (Fe) replace Sodium (Na) for the single replacement reaction to occur?2. Will Aluminum (Al) replace Lead (Pb) for
    1. 1 answer
    2. 90 views
25. Hydrochloric acid and sodium hydroxide react to produce water and sodium chloride and a endothermic reaction which statement
    1. 1 answer
    2. asked by Me
    3. 80 views
26. Use the table to answer the question.Reaction CH4 + 4Cl2 → CCl4 + 4HCl Reactants Products Bonds Present 4 H–C 4 Cl–Cl 4
    1. 1 answer
    2. asked by aaagtuygy
    3. 77 views
27. Synthesisa. C3H8 + 5 O2 → 3 CO2 + 4 H2O b. MgBr2 + 2 NaCl → MgCl2 + 2 NaBr c. Na + Cl → NaCl d. 2 H2O → 2 H2 + O2 e. 2
    1. 1 answer
    2. 76 views
28. Question 40Match the following equations to the type of reaction. Column A 1. Synthesis: Synthesis 2. Single replacement: Single
    1. 1 answer
    2. 80 views
29. Cr2O72- + Fe2+ → Cr3+ + Fe3+Substance oxidized Fe^2+ Substance reduced Cr2O7^2- Oxidizing agent Cr2O7^2- Reducing agent Fe^2+
    1. 1 answer
    2. 76 views
30. label balanced or unbalancedN2 + H2 -> 2NH3 2C2H6 + 7O2 -> 4Co2 + 6H2O 4ZnS + 6O2 -> 4ZnO + 4SOs 2Fe2O3 + 3C -> Fe + 3CO2 C3H8 +
    1. 1 answer
    2. 167 views
31. What type of reaction is shown below?2 Na + Cl2 → 2NaCl a Decomposition b Combustion c Single displacement d Synthesis
    1. 1 answer
    2. asked by e
    3. 74 views
32. The reaction below would be classified as a _________ reaction.1 point c+O2--->CO2 single replacement double replacement
    1. 1 answer
    2. 59 views
33. A substance combines with oxygen and releases energy in the form of heat and light. Which of the following best describes this
    1. 1 answer
    2. 70 views
34. Fe3+ + e- -> Fe2+2. Ce3+ -> Ce4+ + e- : Ce3+ -> Ce4+ + e- 3. 2Fe2+ -> 2Fe3+ + 2e- : 2Fe2+ -> 2Fe3+ + 2e- 4. Sn4+ + 2e- -> Sn2+ :
    1. 1 answer
    2. 75 views
35. Sr becoming Sr+2 : Sr becoming Sr+2 2. F2 becoming F-1 : F2 becoming F-1 3. P becoming P-3 : P becoming P-3 4. K becoming K+1 :
    1. 1 answer
    2. 31 views
36. BALANCED OR UNBALANCEDN2+H2→2NH3 2C2H6+7O2→4CO2+6H2O 4ZnS+6O2→4ZnO+4SO2 2Fe2O3+3C→Fe+3CO2 C3H8+5O2→3CO2+4H2O
    1. 1 answer
    2. 83 views
37. Upper M g plus upper C a (upper O upper H) subscript 2 right arrow. ?Mg(OH)2 + Ca no reaction MgH2 + CaO MgCa + H2O
    1. 1 answer
    2. 51 views
38. C2H4(g)<----> C2H6 (g) + heatwhat stresses would force the reaction to shift -> (to the right)?
    1. 1 answer
    2. 77 views
39. ___ MgO + ___ CaS → ___ MgS +___ CaO
    1. 1 answer
    2. 73 views
40. a. Na + Cl2 → NaClb. H2O → H2 + O2 c. C6H12O6 + O2 → H2O + CO2 + energy d. Al(OH)3 + Li → LiOH + Al e. HCl + NaOH →
    1. 1 answer
    2. 129 views
41. Balanced these:1. CO2 + H20 -> C6H1206 + 02 2. SiCI4 + H20 -> H4SiO4 + HCI 3. Na2CO3 + HCI -> NaCI + H20 + CO2 4. C7H602 + 02
    1. 1 answer
    2. 109 views
42. Heat being releasedColumn B a.Light energy is released b.Color change c.Production of a gas d.Temperature change e.Formation of
    1. 0 answers
    2. 79 views
43. Identify each statement below as either oxidation or reduction. Each word will be used 3 times. Use the picture below to help
    1. 1 answer
    2. 104 views
44. CaCl2+Na2SO4---> CaSO4+ 2NaClA. Decomposition reaction B. Double Replacement reaction C. combustion reaction D. Combination or
    1. 1 answer
    2. 121 views
45. CaCl2+Na2SO4---> CaSO4+ 2NaClA. Decomposition reaction B. Double Replacement reaction C. combustion reaction D. Combination or
    1. 0 answers
    2. 112 views
46. 2CH3OH+3O2---> 2CO2+ 4H2OA. Decomposition reaction B. Double Replacement reaction C. combustion reaction D. Combination or
    1. 1 answer
    2. 111 views
47. A reaction in which a single reactant breaks down into 2 or more products.
    1. 1 answer
    2. 66 views
48. Classify the reaction as a synthesis ,decomposition,single replacement, combustion, or double replacement reaction. Pb + Fe(SO4)
    1. 1 answer
    2. 59 views
49. Determine if the factors listed below will increase or decrease the rate of a chemical reaction. Column A 1. Decrease the
    1. 1 answer
    2. asked by cyan
    3. 123 views
50. The equilibrium constant has been determined in several reactions as follows:1. N2(g) + O2(g) ⇔ 2NO(g) Keq = 4.8 x 10^–31 2.
    1. 3 answers
    2. 100 views