Write a net ionic equation for the reaction that occurs when solid chromium(II) hydroxide and nitric acid (aq) are combined. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank. If needed, write the hydronium ion as H*.) Give detailed Solution, show each steps.
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- During one of the washes, 10 mL of dilute NaOH was added to the product mixture. Select the statements that are true. NaOH is neither acidic nor basic, but neutral, which is characteristic of sodium compounds. The purpose of the NaOH is to neutralize H,SO, that is present in the mixture in an acid-base reaction. The purpose of the NaOH is to absorb water in the product mixture.A cvg.cengagenow.com ome OWLV2 | Online teaching and learning resource from Cengage Learning [Review Topics) [References) Use the References to access important values if needed for this question. In the laboratory you are given the task of separating Pb* and Zn* ions in aqueous solution. For each reagent listed below indicate if it can be used to separate the ions. Type "Y" for yes or "N" for no. If the reagent CAN be used to separate the ions, give the formula of the precipitate. If it cannot, type "No" Y or N Reagent Formula of Precipitate if YES 1. KI 2. K,S 3. KOH Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical Support MacBook Air 80 888 DII DD F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 2$ & ( 4. 7 8 9. del + I| * 00 くoUse the References to access important values if needed for this question. Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when potassium nitrite is dissolved in water. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) + H₂O(1) This solution is Subm Answer + Retry Entire Group 9 more group attempts remaining
- [References] Use the References to access important values if needed for this question. Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when sodium cyanide is dissolved in water. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) + H₂O(1) This solution is Submit Answer Topics] Ⓒ + Retry Entire Group 9 more group attempts remainingKindly provide answers to those underlined red. Please show complete solutions.Which ions are within the Calcium-group? Please describe the precipitation and further separation of these ions including all important reaction equations. Give one specific test for each ion (including reaction equations). What are the principles responsible for the separation of Ba and Sr (give principles and correct equations)?
- For each of the following reactions, show the products that would be expected to form and balance the equation. Be sure to label the state of cach substance, e.g. (s), (aq), ctc. 4. HCIO, + Al(OH)3 → a. b. Calcium hydroxide + hydrobromic acid2) You are tasked with determining the barium content of a sample containing barium nitrate mixed with rubidium nitrate. The sample is weighed, dissolved into 50.0mg water, and treated with xs 0.500M sodium sulfate. The acid fully ionizes in this experiment. A white precipitate forms which is washed, filtered, and weighed multiple times, according to the data given below: Mass of sample 0.425g Mass of thoroughly dried filter paper 1.462g Mass of precipitate+filter after 1st drying 1.755g Mass of precipitate+filter after 2nd drying 1.699g Mass of precipitate+filter after 3rd drying 1.698g A] for the chemical reaction that occurs forming the precipitate: (i) write the balanced net-ionic equation for the reaction (ii) explain why the net-ionic equation optimally represents the process3. Calculate the volume of H,SO, with T(H,SO, NaOH) = 0.003025 g/ml what is required to react with 20,00 mL 0,1065 N solution of NaOH. Be sure to write down: 1) what analysis results are given; 2) write the corresponding reactions equations; 3) the mathematical expression of the law of equivalents and use it in solving the problem; 4) perform all calculations with comments; 5) make conclusion.
- 2. Answer the following questions about the reaction shown below. 3 H2O2(aq) + CH3OH(aq) -> 5H20(1) + CO2(g) a. Is this reaction classified as combustion, acid-base or redox? Justify your answer. b. What observation would you expect to see in the lab when this chemical reaction takes place? c. If 100 mL of 0.50 M H2O, and 100 mL of 0.50 M CH3OH are combined... What is the limiting reactant? and How many grams of CO, will be produced?2) You are tasked with determining the barium content of a sample containing barium nitrate mixed with rubidium nitrate. The sample is weighed, dissolved into 50.0mg water, and treated with xs 0.500M sodium sulfate. The acid fully ionizes in this experiment. A white precipitate forms which is washed, filtered, and weighed multiple times, according to the data given below: Mass of sample 0.425g Mass of thoroughly dried filter paper 1.462g Mass of precipitate+filter after 1st drying 1.755g Mass of precipitate+filter after 2nd drying 1.699g Mass of precipitate+filter after 3rd drying 1.698gWrite the molecular equation which completes the following. The reaction occurs in an aqueous solution. K2S(ag) + HCl(ag) - (Use the lowest possible coefficlents. Be sure to specify states such as (aq) or (s). If a box is not needed, leave It blank. Use H* for hydronium lon.) +