2 Sr + 0, 2 Sro (is the reaction balanced?) 4. How many moles of Sr would synthesize with 3.5 moles of 0,?

Q: What are the formula weights of (a) CO2 and CaCO3 ?

A: Question belong to some basic concept of chemistry. We will find formula weight of 1mole molecule.…

Q: If 1.03 mole of NiCl2 is mixed 1.52 mole of K3PO4, how many moles of Ni3(PO4)2 will form?

A: Moles of NiCl2 = 1.03 Moles of K3PO4 = 1.52 Moles of Ni3(PO4)2 =?

Q: How many mol of C3H8 are needed to make  13.5 mol of CO2 ?

A:

Q: 12. Explain the stoichiometry (mole ratio of reactants) of this reaction. OH 3 + BH3 b. H2O2, OH

A: The given reaction is the hydroboration of but-2-ene. It is an oxidation reaction.

Q: (a)If 12.06 g of NH4+ was found in the soil, how many ions of NH4+ was present initially? (b)If 500…

A: Given :  Mass of NH4+ = 12.06 gm  Mass of H2O produced = 500 gm

Q: 0.250g of HI is dissolved in 300. mL of a 0.00520 M solution of Ca(OH)2. (Assume this does not…

A: Number of moles is equal to ratio of mass to molar mass. Number of moles=MassMolar mass Limiting…

Q: 3. Complete the following reactions (indicate product(s) and balance). A. HBr + LiOH В. Н.SO, + КОН…

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

Q: What is the theoretical yield of I2 if you mixed 13.0 g of NaIO3 with 210 mL of 0.853 M NaHSO3 ?

A:

Q: 10. Automotive air bags inflate when a sample of sodium azide, NaN,, is very rapidly decomposed.…

A: Sodium azide decomposes into sodium metal and nitrogen gas. The equation for the balanced chemical…

Q: When the following skeletal equation is balanced under basic conditions, what are the coefficients…

A: In the given chemical equation, fluoride ion gets oxidized to fluorine and chlorine gets reduced to…

Q: 4. What mass of hydrogen sulphate can be prepared from 50.0 g sulphur dioxide, 15.0 g oxygen, and…

A: We have given,  Mass of sulphur dioxide = 50.0g Mass of oxygen = 15.0 g  Mass of water = 980.0g

Q: A nail in a board is completely turned to rust. Oxygen has combined with the iron in the nail (4Fe +…

A: A limiting reagent is the one that is present in lesser amount and that limits the amount of product…

Q: A 0.1799 g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was…

A: Here, the unknown organic compound (CxHy) is burnt to produce CO2 gas which further reacts with…

Q: A sample of 0.3220 g of an ionic compound containing the bromide ion (Br−) is dissolved in water and…

A: Calculate the number of moles of AgBr formed. Number of moles = Given massMolar massNumber of moles…

Q: Write the balanced neutralization reaction that occurs between H2SO4H2SO4 and KOHKOH in aqueous…

A: The balanced neutralization reaction that occurs between sulfuric acid and potassium hydroxide in…

Q: Calculate the theoretical yield of MgCl2 in moles when 0.326 grams of MgO are reacted with 30.4 mL…

A:

Q: . Human cells obtain energy from a reaction called cellu- lar respiration. Balance the skeletal…

A: Given equation,      C6H12O6(aq) + O2(g) → CO2(g) + H2O(l)

Q: What mass of silver nitrate, AgNO3, is requiredto prepar 800 g f350% solution of AgNO3 ? a. 24.6 g…

A: The required mass of Silver nitrate can be calculated as3.50% AgNO3 means 3.50g AgNO3/100 g soln.

Q: 2) Predict the type of reaction that will occur and the product(s) that will be formed or…

A: The balanced equation of the reaction has to be given,

Q: How many total moles of ions are released when 1.77 mol of Rb2SO4 dissolves completely in water?

A:

Q: What is the oxidation state of N in NO?

A:

Q: what amount of Al2O3 is peoduced from the reaction of 3.0 mol Al with 2.0 Fe2O3

A: Given, moles of Al = 3.0 mol Moles of Fe2O3 = 2.0 mol Chemical equation: 2Al + Fe2O3 --> Al2O3 +…

Q: What is the molecularity of the following reaction? CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)

A: The molecularity of a reaction is defined as the sum of number of reactant molecules reacts to bring…

Q: 2. How many grams of oxygen gas must react to give 1.28 g of ZnO? Zn (s) + O2 (g) -> Zno (s)

A:

Q: The coefficient of ZnO when the reaction is balanced with the smallest whole number coefficients is…

A: Given, The unbalanced reaction: ZnS + O2  ----> ZnO + SO2

Q: 5. Ammonia (NH3) reacts vwith orygen gas to make k nitragen Water monoride (No). Balance the…

A: NH3 + O2 -----> H2O + NO  Firstly Balanced the Hydrogen in both side  4NH3 + O2 ----> 6H2O +…

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

A: Balanced chemical equation of a reaction is written according to law of conservation of mass.…

Q: 6NH2OH + 2Bi2Bi(OH)3 + 3N2H4 In the above reaction, what is the oxidation state change of…

A: The oxidation state (OS) of an element corresponds to the number of electrons, e-, that an atom…

Q: What is the maximum mass of Pl that can be prepared from 7.75 gofP0, and 11.86 g of iedine accenting…

A: Given: Mass of P4O6 = 7.75 g Mass of I2 = 11.86 g Molar mass of P4O6 = 219.88 g/mol Molar mass of I2…

Q: 4. a) Balance the following equation. Pb(OH)2 + _ HCI → H2O+ PbCl2 b) How many moles of HCl are…

A: Given, Chemical Reaction : Pb(OH)2 + HCl ---> H2O + PbCl2  NOTE : since you asked Question with…

Q: 2) How many moles of sodium will react with water to produce 4.0mol of hydrogen in the following…

A: Sodium metal is a highly reactive metal and it reacts with water readily to form the base and…

Q: What mass is Na2CO3 is needed to produce 5.Og of CO2

A:

Q: Sodium Sulfide (11.7g) reactions with hydrochloric acid (16.7mL, 12.0M) to yield sodium chloride and…

A:

Q: How many moles of ammonia would be required to react exactly with 0.764 moles of copper (ii) oxide…

A: Given, 2NH3 + 3CuO → 3Cu + N2 + 3H2O moles of copper (ii) oxide (CuO) react = 0.764 moles moles of…

Q: Write “true” or “false” for each statement. (a) We balancechemical equations as we do because energy…

A: The given statement is false. The chemical equations are balanced for satisfying the law of…

Q: Balance the following reactions: A. Pb(CH3CO0)2 + Na2SiO3 → PbSiO3 + NaCH3COO B. C2H5OH + 02 CO2 +…

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

Q: Ba(OH)2 x 8H2O(s) + NH4SCN(s) --> BA(SCN)2(s) + H2O(l) + NH3 a.) Balance the equation b.) What…

A: (a) The balanced chemical reaction is given below.

Q: What weight (in grams) of oxalic acid (MW= 90 g/mol) will be required to prepare 1 liter of 0.25 N?

A:

Q: A flask containing 450 mL of 0.50 M H2SO4 was accidentally knocked to the floor. How many grams of…

A: Acid reacts with base to form salt and water. This reaction is known as neutralization reaction. The…

Q: 6- In the reaction below by complete reaction of 2 mol KCIO3, 120.6 g KCl is produced. Calculate the…

A: In the given reaction KClO3 decomposes into KCl and O2. The equation for the balanced chemical…

Q: CHol8) + O:(g) → What will be the coefficient of O2(g) if the above reaction is balanced assuming…

A: Write the coefficient of O2 inthe given reaction ?

Q: 1. It is the ratio of Fe to H, when the equation below is balances Fe(s) + H,0(g)→Fe,O,(s)+H¿(g) a)…

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

Q: Which is the limiting reactant when 1.85 mol NaOH and 1.00 mol CO2 are allowee to react? 2 NaOH (s)…

A: Limiting Reagent: Limiting reagents can be defined by saying that the reactant which completely…

Q: C8 H18 plus O2 will burn to produce CO2 and H2O. What is the balanced equation for this reaction?

A:

Q: What is the concentration of NO3- ions in a solution prepared by dissolving 30.0 g of Ca(NO3)2 in…

A: Given,  mass of Ca(NO3)2 = 30.0 g Volume of solution = 300 ml = 0.3 L Molar mass of Ca(NO3)2 =…

Q: whats the mass of lioh do we need to keep 3 astronauts and a chimp alive for 7 days in space assume…

A: No. Of days to stay = 7 days  No. Of Astronaut= 3 Amount of CO2 released per astronaut per day = 540…

Q: What is the oxidation state of iron (Fe) in the reactant Fe(s)?   What is the oxidation state of…

A: The oxidation state, sometimes referred to as oxidation number, describes the degree of oxidation…

Q: 4.2 A groundwater used as a drinking water supply contains 4.6 mg/L of Fe2+. Calculate the amount of…

A: Here we have to calculate amount of O2 needed to oxidize Fe2+ and amount of Fe(OH)3 will be produced

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.