4. Li (s) + Cr2(SO4)3 (aq) > 5. Mg (s) + FESO (aq)> Al (s) + NISO (aq)> 6.

Q: What is the mass percentage of O in CO₂? Provide an answer to two decimal places.

A: Molecular weight of C and O are 12.0107 gm/mol and 15.999 gm/mol respectively.  Hence, molecular…

Q: __Fe (s) + _CUSO, (aq) _Cu(s) + _Fe,(SO4)3 (aq)

A: The given unbalanced equation : ? Fe(s) + ? Cu(SO)4(aq) →? Cu(s) +? Fe2(SO4)3(aq)

Q: A 5.276 g sample of Al-Mg alloy is digested in nitric acid (to Al*3 and Mg*²). The solution is…

A: Given: Mass of sample = 5.276 g The solution is diluted = 500 mL three 100 mL of solution titrated…

Q: Which of the following ions form distinctive colors (i.e. not white or colorless) upon addition of…

A: Aluminum  upon addition of aqueous NH3 gives white precipitate of Al(OH)3. Calcium usually does not…

Q: CI OH 2 3

A: R/S configuration is another method which naming of compounds having chiral centre is done by CIP…

Q: Complete the following equation by dragging the elements, states, charges, and amounts into the…

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

Q: 1. As(III) can be determined gravimetrically as As2S3. The weight of As2S3 obtained from a 0.5000 g…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: please give the E° of this equation!  Cr(NO3)2    +   AgNO3  →   Cr(NO3)3   +   Ag

A: In electrochemical cell oxidation take place at anode and reduction take place at cathode. Eocell =…

Q: AsO43+3 Ag+= Ag3AsO4 (0) The arsenate is converted into a solid (Ag3AsO4 (s)). If the mass of solid…

A: Given,

Q: One kind of metallic material consists of 82% Pb, 15.0% sb, and 3.0% Sn. a) how many grams of alloy…

A: The given composition of the alloy is: metalpercentagePb82%Sb15.0 %Sn3.0 % It states that if the…

Q: An alloy of Sn, Pb, and Cd has a mole ratio of Sn to Pb of 2.73:1.00, and the mass ratio of Pb to Cd…

A: Given,An alloy of Sn, Pb, and Cd has a mole ratio of Sn to Pb of 2.73:1.00, and the mass ratio of Pb…

Q: Br NH,

A: In the given reaction the benzene is converted into meta bromoaniline. The reaction completes in…

Q: Complete the balanced molecular chemical equation Fe(NO3)2(aq)+KOH(aq)

A: A chemical equation is said to be balanced if atoms of different elements are equal in number on…

Q: Fe (s) + CUSO, (aq)

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: 1. Which of the following is a good conductor of electricity? A. Cu 2. What will happen if two…

A: We have to answer the above mentioned question.

Q: OCH3 1. ΗΝΟ H,SO4 1. Н, Pd/C ELOH (solvent) 2. NaNO2 A В 2. Br,/FeBr3 HCI 3. CUCN

A: Introduction: In the given reaction, anisole goes into nitration and forms para-nitroanisole…

Q: Match each statement in the left column of the table below with a compound on the right. In your…

A: In the given question properties of species are mentioned in column -1 while in column-II species…

Q: 1) Na OEt ? 2) H,0O efa OH (А) (B) (C) (D) (E)

A: This reaction is example of claison condensation.

Q: TICI4(1) + O2(g) -> TiO2(s) + 2CI2(g) Which species is oxidized? O A) Ti O B) CI C) 02 OD) TIO2

A:

Q: The concentration of Al3+ ion in a sample of spring water is 24.7 ppm. What mass of Al3+ ion is…

A: 1. Given that : Concentration of Al3+ ion in spring water (in ppm) = 24.7 ppm Density of spring…

Q: Complete the following equation by dragging the elements, states, charges, and amounts into the…

A: Given reaction:

Q: A 67.2 gg sample of a gold and palladium alloy contains 3.55×1023 atomsatoms . A) What is the mass…

A:

Q: Ca All the calcium reacted in less than 30 seconds. There was a vigorous production of a gas. Fe…

A: We will write the correct order of reactivity

Q: 4. Br + CIO + H* Br, + Cl¯ + H,0 2+ 4+ 5. Sn + VO, + H → Sn + V²* + H,0 »

A: The answer is as follows:

Q: (2) An ore is analyzed for the manganese content by converting the manganese to Mn,0, and weighing…

A: Mass of total sample = 1.52g mass of Mn2O3 = 0.126g mass % of Mn2O3 =( mass of Mn2O3/total mass of…

Q: The type of the following chemical reaction is Pb(NO3)2 aq  + 2 KI aq   → PbI2  (s)     +  2 KNO3…

A: The given chemical reaction; Pb(NO3)2 (aq)  + 2 KI (aq)  → PbI2  (s)     +  2 KNO3 (aq)  In this…

Q: Potassium chloride is a salt substitute. It consists of potassium cations and chloride anions.…

A: 1.Element are simple  form of matter , example Na. 2.ionic compound are the compound form by cation…

Q: 3. How many grams of copper are required to replace 4.00 g of silver nitrate, which is dissolved in…

A:

Q: Match each statement in the left column of the table below with a compound on the right. In your…

A: Different elements combined to form different compounds. These are compounds are held together by…

Q: When do you use Roman Numerals in naming an ionic compound and give two examples? What is the…

A: a) To explain: When Roman numerals are used in the naming of ionic compounds.

Q: 1. Zn(s) + Ag*(aq) = Zn²+(aq) + Ag(s)

A:

Q: +7 -2 +3 -2 +2 +4 -2 MnO, -+ C,04 2 → Mn*2 + CO,

A:

Q: 24 2. H (aq) + CH;OH(aq) MnO, (aq)Mn"(aq) + CH,O(aq) + H,O(1)

A:

Q: A 5.276 g sample of Al-Mg alloy is digested in nitric acid (to Al*3 and Mg"). The solution is…

A: Given that -  Mass of sample of alloy, Al-Mg = 5.276 g  Mass of alumina, Al2O3 = 1.444 g  Molar mass…

Q: 1. Fe:Os (I) + CO (g) –> Fe (1) + CO2 (g)

A: Answer: In normal oxides, oxygen always shows -2 oxidation number and that will be our basis to find…

Q: 4. Cite two possible applications of silver nanoparticles. Explain the role of its nano-size towards…

A: A nanoparticle is a small particle that ranges between 1 to 100 nanometres in size. Undetectable by…

Q: a ZnClfag) xOH(ag) + Zn CO insulde souble a Cuso4 (ag) • Nas lao) CUST Naa S04 (ag) C ANACI (an) •…

A: A chemical reaction in which two reactants exchange ions to form two new compounds is called a…

Q: (d) H,AsO, + MnO H3ASO, + Mn

A:

Q: What is the mass percentage of Na in NaNO₃?

A:

Q: Calculate the mass of copper that can be made from the combination of 15.0 g aluminum with 25.0 g…

A: Mole of Al in 15.0 g Aluminum is calculated as,                                               Mole…

Q: Consider the redox reaction. O = oxygen and H = hydrogen. X and Z are hypothetical elements.…

A: An increase in the element's oxidation state corresponds to oxidation while a decrease in the…

Q: Express 1:690 as a percentage strength. 0.14% O 0.15% O 0.144% O 0.149%

A:

Q: Balance the following equation _____Al (s) + _____Cu+ (aq) → _____Al3+ (aq) + _____Cu (s)

A: Interpretation - To balance the redox reaction.

Q: 2. H,O, H,0 + _0, 3. Mg + HCI> H, +MgCl, 4. Ba(NO,), + Na, SO, -> NaNO, + BaSO, CACO, CaO + CO, 5.

A: (2) When Hydrogen peroxide decomposed, water and oxygen is formed. The Balanced Chemical equation…

Q: An astronaut excretes about 2500 g of water a day. if lithium oxide (Li2O) is used in the spaceship…

A: The reactant getting consumed or the product getting formed in reactions are inter-related with each…

Q: 4. AGNO, + NH.NO, → 5. NiSO, + Pb(NO,),→

A:

Q: The type of the reaction in the following equation is Fe (s) + O2(9) Fe,O3(s) The type of the…

A: Chemical reaction is that which process in which certain species (reactants) react to form other…

Q: 1. Calculate the molar mass of the following compounds. a. magnesium phosphate b. sodium sulfide c.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: (1) (i-Bu);AlH, hexane, -78 S OCH (2) Н,о

A: The major product of the given reaction is below:

Q: ОН CI HCI (aq) 99% S 35% S 65% R

A: SN1 followed by nucleophilic substitution. Firstly Carbocation are formed , after H2O+ molecule will…

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