7. MnO4 + C204 2 + H*→ Mn++ + CO2 + H2C

Q: Balance the following equation [?] Cu + [?] HNO3 → [?] Cu(NO3)2 + [?] NO2 + [?] H₂O Note: Input the…

A: The unbalanced chemical equation given is  Cu + HNO3 → Cu(NO3)2 + NO2 + H2O

Q: Calculate the copper concentration (a) in the diluted sample solution expressed in ppm Cu, and (b)…

A: Here standard addition technique is used to standardize the copper sample in which to a fixed volume…

Q: Assuming an efficiency of 30.40%, calculate the actual yield of magnesium nitrate formed from 122.5…

A:

Q: You are asked to add a few more elements to the activity series of the element figure. While doing…

A: We are to place Tc and Zr in the given activity series based on the given information about Tc and…

Q: hint Scroll down to open the Hint. Most water softeners operate by replacing aqueous Mg, Ca, and to…

A: Given question related to balancing of chemical reactions.

Q: For the following reaction, what does the balanced equation look like? aCr20,2- + bH* + cPu 3 →…

A:

Q: Dissolved dioxygen in water samples can be determined by the following equations: 2MnSO4(aq) +…

A: Given data,Volume of water=200mL=0.200LVolume of Na2S2O3=8.32mL=0.00832LMolarity of Na2S2O3=0.0250M

Q: 2) Get a medium test tube and place about 2 mL of zinc sulfate solution into it. Now add a piece of…

A: Given , Solution of zinc sulfate placed in medium test tube.

Q: 4- Create a diagram (step-by-step flowchart) of the procedure for the "Color Absorption by a…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Which is NOT a means of chemical degradation of materials? attack by oxidation or reduction attack…

A:

Q: Mg(s)+2HCl(aq)=MgCl2(aq)+H2(g) Is this an oxidation or reduction reaction? Please just answer either…

A: Mg(s)+2HCl(aq) = MgCl2(aq)+H2(g) Here Mg is oxidised from 0 to +2 oxidation state. H is reduced from…

Q: The Fe2+ content of iron tablets was determined by titration with a freshly standardised solution of…

A: Approach to solving the question:To prepare 250 cm³ of Fe²⁺ solution from five iron tablets, each of…

Q: Flow Chart for the Separation of Salt, Sand, Zinc (& Charcoal) 3. Complete the Flow Chart before you…

A: Here it is given a flow chart for the separation of salt,sand,zinc .Lets see which separation…

Q: 3. Write balanced chemical equations for the following chemical reactions. a. Lime (calcium oxide)…

A: a ) When lime (calcium oxide) with water to produce Slaked lime i.e Calcium hydroxide. The balanced…

Q: Balancing equations _ Fe+_H2SO4->_Fe2(SO4)3+_H2

A: Balanced chemical equations have same no of atoms of each elements present in the reaction…

Q: Part B: Balancing Chemical equations 1) C₂Hs + 2) 3) Al Na 0, Fe₂N₂ Cl₂ CO₂ + AIN NaCl H₂O Fe

A: A chemical equation in which the number of atoms of each element are equal on both the reactant side…

Q: Select the coefficients needed to balance this equation. OsO4 + PtCl4 --> PtO2 + OsCl8

A: OsO4 + PtCl4 → PtO2 + OsCl8 The coefficient of the Balanced reaction = ?

Q: A sample of a new cleaning product, "Joe's Famous Bleach Cleaner," with a mass of 61.0 g, was…

A: Bleach contains the active ingredient NaClO. Analysis of bleach involves two sequential…

Q: Copper is in the left beaker and zinc is in the right. Write a description of the macroscopic…

A: The loss of electrons from a neutral atom is known as oxidation and this step takes place at anode.…

Q: . Complete the balanced neutralization equation for the reaction below:  HNO3(aq)+Ba(OH)2(aq)➡️

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The relative error calculated for the analysis of Zn alloy was -4.1%. Assuming that the sample is…

A: The relative error is the ratio of absolute error to the measurement being taken multiplied by 100.…

Q: 27/variants/1189727/take/7/ What would you use to prove that copper is re- duced in the following…

A: In a chemical reaction, reduction refers to the gain of electrons by a substance. It is one half of…

Q: reaction neither oxidized reduced oxidized nor reduced CH,(9)+H,O(9) → CO(9)+3 H½(9) 2- 2 Cro (aq)+2…

A: If the oxidation number is increased, then the species get oxidized. If the oxidation number is…

Q: 5. What could be added to a solution to increase the solubility of CaCO3 in water?

A:

Q: Calculate the grams of nickel (58.69 g/mol) can be electroplated from a solution of Ni(NO3)2(aq)…

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Q: Complete and balance ---Fe(s)+---O2(g)---> ---Cu(s)+---H2SO4(aq)---> ---Rb2O(s)+---H2O(l)--->

A: We have been given three chemical reactions and We have been asked to complete and balance the given…

Q: Using

A: We will use stoichiometry of the reaction

Q: 3. Which element is oxidized in the chemical reaction shown by the following chemical equation? 3 Cu…

A: If an element's oxidation number increases from left to right side,  means it loses electrons and…

Q: 2. For the reaction, 5Fe²+ (aq) + MnO4 (aq) + 8H* (aq) 5Fe (aq) + (aq) + Mn²* (aq) + 4H₂O it was…

A: Here we are required to find rate of difference species involved in the reaction.

Q: what is the Gravimetric analysis? how we can use it to determine the Phosphorus content of…

A: Gravimetric analysis is an analytical technique , used to find out the amount of analyte present ,…

Q: Consider the redox reaction Fe(s) + Cu²+(aq) → Fe²(aq) + Cu(s) Which substance gets oxidized? Fe2+…

A: Increase in oxidation state : Oxidation  Decrease in oxidation state : Reduction  Any species itself…

Q: e smallest whole number coefficients.

A: