A chromate/dichromate system is prepared    2 CrO42−(aq)+2 H+(aq)  ⇋ Cr2O72−(aq)+H2O(l)    Predict the shift in direction of the net reaction when  a. an acid is added.  b. dichromate is decreased.  c. the system is diluted with water.

Q: Observation for the Fluorescent white light, smoke, white powder formed at the tip of tongs reaction…

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Q: Which of the following is an acid base reaction?

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Q: Assuming the reaction goes to completion, what mass of copper can be reduced using 30.0 mL of 1.10 M…

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Q: In the reaction Cl2(aq) + 21¯ (aq) → 2CI" (aq) + I2(aq), the species that is reduced is .A .B .C .D…

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Q: Consider the following precipitation reaction:…

A: The given balanced chemical equation between  Na3PO4  and  CuCl2 is 2 Na3PO4  (aq) +  3 CuCl2…

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Q: 17.6 mL of a 1.5 molar (mol/L) lithium hydroxide solution (LiOH) was required to neutralize 10 mL of…

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Q: It takes 24.05 mL of 0.952 M NaOH to titrate a 15.00 mL sample of white vinegar (i.e. HC2H3O2).…

A: Given data: Molarity of NaOH = 0.952 M Volume of NaOH = 24.05 mL Volume of vinegar = 15.00 mL…

Q: Which of the following reactions is an example of a redox reaction? A. CaO(s) + H2O(l) --> Ca(OH)2…

A: Redox Reaction :- As the name suggest that redox reaction are those in which reduction and oxidation…

Q: Classify the reactions 3Mg(s) + N2(g) → Mg3 N2(s) Choose... Na2CO3(aq) + Fe(NO3)2(aq) → FeCO3(s)…

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Q: 3NaOH(aq) + FeCl3 3NaCl(aq) + Fe(OH)3(s) A. Calculate the volume of 0.200M FeCl3 solution needed to…

A: The balanced reaction taking place is given as, => 3 NaOH (aq) + FeCl3 (aq) ------> 3 NaCl…

Q: 28. Which of the following reactions is a redox reaction? a. HCl (aq) + NaOH (aq) → NaCl (aq) + H2O…

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Q: What might you observe during this double replacement reaction? 2NaOH (aq) + MgCl₂ (aq) - → 2NaCl +…

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Q: Which process could not be an electrolytic reaction? a. 2Fe(s) + 302(g)→ Fe2O3(s) O b. 2H20(1) →…

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Q: 20)What is the NET IONIC equation for the reaction between potassium bromide and mercury sulfate in…

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Q: What type of reaction is this? Select the classification for the following reaction. 2Na(s) + 2H,0()…

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Q: 10)Write the balanced equation for the following reactions? Рb(NO3)2(ag) + NaCl(aq) — PЬСІ2(s) +…

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Q: Part 2: Find the concentration of tin(II) chloride. A sample of pure tin metal is dissolved in…

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Q: 80. Identify the spectator ions in this equation, and rewrite it as a net ionic equation: Fe* (aq) +…

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Q: On a une solution qui est 0.400 M en A(aq) et 0.564 M en B(aq). Il n'y a pas d'autres solutés…

A: •As you have posted multiple questions so we are answering first question for you according our…

Q: 2. A 0.5520 g of potassium hydrogen phthalate, KHCH&O4, a monoprotic weak acid, takes 24.90 mL of…

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Q: A 0.1240 M NaOH(aq) solution was used to titrate 20.00 mL of an acetic acid (CH3COOH) solution that…

A: Recall the following relation         MNaOH×VNaOH=MCH3COOHVCH3COOHGiven that,concentration of…

Q: Determine the reaction type for the following reactions2Al(s)+3 H2Soa(aq)----> Al…

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Q: Given the reaction: 2 HCl + Mg(OH)2 → MgCl2 + 2 H2O A student found that it required 22.0 mL of a…

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Q: have a 3ml Pb(NO3)2 solution that has 0.1 Molarity. I also have a 6ml K2CrO4 solution that is 0.1…

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Q: Dr. Donwonree tried to determine the vitamin C content in apple juice which he bought at CheMarket.…

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Q: One way to determine the hardness of a water sample is to precipitate the calcium out of solution as…

A: Given , Volume of sample of water = 1.00 L Calcium carbonate recovered = 0.534 g

Q: Match the following reactions with the reaction type. You may use each type more than once. Mg(OH)2…

A: Combustion reaction: Reaction in which an organic compound reacts with oxygen to give carbon dioxide…

Q: 1. A 125 mL sample of orange juice was titrated using a redox reaction to the equivalence point with…

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Q: 9. H:SO. + NaOH- Reaction Type: 10. NaOH + NaCO, → Reaction Type: 11. NaOH +NaNO: → Reaction Type:…

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Q: 52. In a simple cation exchange reaction, it would take ions in the soil solution to interchange…

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Q: 5.00 mL of 5.09 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HCIO4 and 4.00 mL of 2.00 x 10-M KSCN.…

A: Given: Vol of  Fe(NO3)3 = 5.00ml Concentration [Fe(NO3)3 ] = 5.09M Vol of HClO4 = 1.00ml…

Q: What is the chemical reaction equation for the dissolution of solid calcium hydroxide in water? A.…

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Q: 26. 2Kl(aq) + H2O2(l) ↔ 2KOH(aq) + I2(g) + O2(g) Write the reaction above in total ionic form, and…

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Q: What is the initial mass of copper (in g) in the Cu(NO3)2 solution. Cu(NO3)2(aq)+ 2NaOH(aq)->…

A: Ans. 63.5 g of Cu is present in Cu(NO3)2 solution

Q: 6. Classify the reactions according to their types. heat a. NaHCO3(s) → Na₂CO3(s) + CO₂ + H₂O(g) b.…

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Q: The chemical equation below,                               FeCl3(aq)  +  3NaOH(aq)  →  Fe(OH)3(s)…

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Q: A solution contains 8.14x10 3 M copper(II) acetate and 8.80x10-3 M cobalt(II) nitrate. Solid…

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