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What gas do you get when you add CuCO3(s) and H2SO4 (aq) together
the reaction of CuCO3 and H2SO4 is:
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- Chlorine is toxic to fish. Even at low concentrations, it can damage their gills. An aqueous solution of sodium thiosulfate can be added to tap water to remove dissolved chlorine: 2Na₂S₂O₃(aq) + Cl₂(aq) → 2NaCl(aq) + Na₂S₄O₆(aq). Suppose that you are setting up an aquarium that holds 60 L of water. You use a test strip to estimate that your tap water contains 10 ppm chlorine. You use a chart on the bottle of sodium thiosulfate solution to determine that you should add 60 mL of the solution to the water in the aquarium. If this amount removes all the dissolved chlorine, what is the molar concentration of the sodium thiosulfate solution?Which of the following reactions will produce a precipitate? Na₂SO4 (aq) + CuCl₂ (aq) → KF (aq) + AgNO3(aq) → Li₂CO3 (aq) + Mg(C₂H3O2)2 (aq) → Fe₂(SO4)3 (aq) + NH4ClO3 (aq) → AlCl3 (aq) + K3PO4 (aq) → Ba(ClO4)2 (aq) + (NH4)2S (aq) →Consider the following reaction: Ba(OH)2 (aq) + H₂SO4 (aq) → Assuming that the contribution of protons from H₂SO4 is near 100%, choose the balanced molecular equation for this reaction. Ba(OH)2 (aq) + H₂SO4 (aq) O No Reaction O Ba(OH)₂ (aq) + H₂SO4 (aq) O Ba(OH)2 (aq) + H₂SO4 (aq) O Ba(OH)2 (aq) + H₂SO4 (aq) O Ba(OH)₂ (aq) + H₂SO4 (aq) Ba(OH)2 (aq) + H₂SO4 (aq) → 2 BaH₂ (s) + 2 SO3 (1) BaSO4 (s) + H₂O (1) BaSO4 (aq) + H₂O (aq) BaSO4 (s) + 2 H₂O (1) Ba₂H4 (s) + SO6 (1) BaSO4 (aq) + 2 H₂O (1)
- a Balance the following chemical equation: ZnCl₂ (aq) + NaOH(aq) → Zn(OH)2 (s) + NaCl(aq) 2ZnCl₂ (aq) + 3NaOH(aq) → 4Zn(OH)2 (s) + 3NaCl(aq) 3ZnCl₂ (aq) + NaOH(aq) → 4Zn(OH)2 (s) + 2NaCl(aq) ZnCl₂ (aq) + 2NaOH(aq) → Zn(OH)2 (s) + 2NaCl(aq) ZnCl₂ (aq) + 3NaOH(aq) → Zn(OH)2 (s) + 3NaCl(aq) b Balance the following chemical equation: Ba(C₂H3O2)2 (aq) + K₂SO4 (aq) → BaSO4(s) + KC2H3O2 (aq) 2Ba(C₂H3 O2)2 (aq) + 5K2SO4 (aq) → 2BaSO4(s) + 2KC2H3O2 (aq) 2Ba(C₂H3 O2)2 (aq) + 2K2SO4 (aq) → 2BaSO4(s) + 3KC₂ H3 O2 (aq) Ba(C₂H3O2)2 (aq) + K₂SO4 (aq) → BaSO4 (s) + 2KC₂H3O2 (aq) Ba(C2₂H3 O2)2 (aq) + 4K₂SO4 (aq) → BaSO4(s) + KC₂ H3O₂ (aq) C Balance the following chemical equation: SO₂(g) + H₂O(1) → H₂SO3(aq) 3SO₂(g) + H₂O(1) → 4H₂SO3(aq) SO₂(g) + 2H₂O(1) → 2H₂SO3(aq) 2SO2(g) + 3H₂O(1) → 6H₂SO3(aq) SO₂(g) + H₂O(1) → H₂SO3(aq)If 44.97 mL HCl = 43.76 mL NaOH, and if 49.14 mL NaOH neutralizes 0.2162 g of KHC2O4.H2C2O4.2H2O, what volume of water is to be added to a liter of HCl in order to make it 0.05 N?What mass of CO2 will be produced from the reaction of 50.0 mL of 0.250 M HCl with an excess of 1.00 M Na2CO3? The balanced chemical equation for this acid + carbonate reaction is: 2HCl(aq) + Na2CO3(aq) >2NaCl(aq) + H2O(l) + CO2(g)
- Ca( OH)2 (aq) + HCl (aq) -------> CaCl2 (aq) + H2O (l) Note: unbalanced equation What concentration (M) of 0.15 L solution of calcium hydroxide must be in order to react with 2.0 L of 0.2 M solution of HCl? (Hint: use solution stoichiometry from the balanced equation)Match the following reactions with the reaction type. You may use each type more than once. Mg(OH)2 (aq) + 2 HNO2 (aq) --> Mg(NO₂)2 (aq) + 2 H₂O (1) 2 CaO (s)--> 2Ca (1) + O₂ (g) Ca (s) + 2 NaNO3 (aq) --> Ca(NO3)2(aq) + Na(s) --> HI (aq) + AUNO3 (aq) -- Aul (s) + HNO3(aq) C₂H5OH+ 302 --> 2CO₂ + 3H₂O 2 K (s) + H₂ (g) --> 2 KH (s) K₂S3 (s) + H₂SO4 (aq) -- K₂(SO4)3 (aq) + H₂S (1) 1. synthesis 2. decomposition 3. single replacement 4. double replacement 5. combustionIn the following balanced reaction: Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2KNO3(aq) 10.9 g of KI react with a 0.193 mol L-1 solution of Pb(NO3)2. The total solution volume is 0.200L If 8.31 g of PbI2 is collected, what is the percent yield?
- If 50.0 g of water is combined with 155.3 g of PCl3, PCl3(l) + 3H2O (l) --> H3PO4 (aq) + 3HCl (aq) what is the limiting reagent?Choose which of the given equations is a oxidation-reduction (redox) disproportionation reaction. 5 NaBr(aq) + NaBrO3(aq) + 3 H₂SO4 (aq) → 3 Na₂SO4 (aq) + 3 Br₂ (1) + 3 H₂O(1) 2 O CH₂(g) + 2O₂(g) CO₂(g) + 2 H₂O(g) ○ 2H₂O₂(1) → ○ 2 H₂PO4 (aq) HPO2 (aq) + H₂PO4 (aq) 2H₂O(1) + O₂(g)Given the neutralization reaction: 2H3PO4(aq) + 3Ca(OH)2(aq) > Ca3(PO4)2 + 6HOH A) Write the ionic equation B) Write the net ionic equation
