1) Balance all these equations. (Hint, only small numbers are needed) 2) Determine the theoretical yield of the final solid if you use 20.000g NaHCO3 Possible equations for the decomposition. Mass of just Theoretical the NaHCO, yield of final solid A NAHCO () → _NazCO,•H20 6) + CO2) - B _NAHCO, (4) → NazCO () +_H2O + - C NaHCO3 () > NAOH )+ CO2 - - NaHCO () > _NazO () + H20 +- CO2o -
Q: D. Aqueous As" ions react with hydrogen sulfide gas to produce arsenic trisulfide as and hydrogen…
A: This a question with multiple subparts. So, according to bartleby guidelines I need to solve only…
Q: The fertilizer ammonium sulfate, (NH4)2SO4, is prepared by the rxn of ammonia with sulfuric acid.…
A:
Q: Aspartame (C14H18N2O5) is a solid used as an artificial sweetener. Its combustion pro- duces carbon…
A:
Q: da o og toinhg bns bsolnob s n alda Ose the following equation for this problem: SiO2 (s) + 4 HF (g)…
A:
Q: Balance the reaction between I and N₂H4 to form I₂ and NH3 in basic solution. When you have balanced…
A:
Q: The concentration of arsenic in an insecticide can be determined gravimetrically by precipitating it…
A: Atomic Mass of Mg - 24 u Atomic Mass of As - 75 u Atomic Mass of O - 16 u yield of Mg2As2O7 - 106.5…
Q: Aircraft de-icing agents, such as propylene glycol [1,2-propanediol; CH₃CH(OH)CH₂OH; d=1.036 g/mL],…
A: CH3CH (OH) CH2OH has 2 adjacent Hydroxyl groups attached having a molar mass of 76.09 gm.
Q: 31.0IA )One reaction scheme for producing ammonia, NH3, involves the reaction of methane (CH4),…
A: In balanced reaction number of each atom on reactant side should be equal to number of each atom on…
Q: Consider an iron bar placed on a balance and the balance recording a weight of 75.0 g. As the iron…
A: Iron reacts with oxygen to form iron(III) oxide. The equation for the balanced chemical reaction is…
Q: . A student proposed that the balanced chemical equation for this reaction is Pb(NO,), + 2Nal ->…
A:
Q: Balance the reaction between ClO2 and Cu2+ to form ClO3- and Cu in acidic solution. When you have…
A: Redox reactions are those reactions in which the reductions and oxidation takes place…
Q: balance the equation and indicate the type of reaction C6H6 (l) + O2 (g) → CO2 (g) + H2O (l)
A:
Q: Balance the following chemical equation using the smallest, whole-number coefficients: C6H12O6 + O2…
A: Coefficient of reactant : The number written before the formula of reactant is known as coefficient…
Q: Balance this reaction:_Fe2O3(s) +_Co(g)->_fe(s)+_Co2(g)
A: According to the Law of Conservation of mass " all atoms of different elements must be equal on both…
Q: Data and Calculations Don't forget units when recording your values! 33.00g Mass of baking soda…
A: C2H4O2.3 H2O + NaHCO3 → NaC2H3O2.3H2O
Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…
A: Given :
Q: Aluminum is produced commercially by the electrolysis of Al,0, in the presence of a molten salt. If…
A: Given, Amount of current in million A = t = 0.670 million A Time in hour = t = 2.50 h Mass of Al…
Q: A candle snuffer is a long handle with a small bell-shaped piece of metal on the end of it that is…
A: Here we have to find the limiting reactant in the combustion reaction happening at the candle wick.…
Q: Calcium oxide is prepared by heating limestone (cal- cium carbonate, CaCO,) to a high temperature,…
A: The molecular formula for calcium carbonate is CaCO3. The molecular formula for calcium oxide is…
Q: Ex: 12 The complete combustion of an organic compound of mass produces carbon dioxide gas and water.…
A: The following points to be considered in order to answer the question: Concentrated H2SO4 is a…
Q: Balance the reaction, do not leave any fractions, don't leave anything blank, then answer the…
A: A balanced equation should have same number of atoms on both sides of the equation.
Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first…
A: Given- First step- 2Cu2S+3O2->2Cu2O+2SO2 Second step- Cu2O+C->2Cu+CO
Q: Consider the reaction: H,C,O, + KMNO, + H,SO, of H,C,O, in order to balance the equation? CO, +…
A: Given : unbalanced equation
Q: STAEDTLER Mars plastic s) Use the following unbalanced chemical reaction to answer the questions…
A: Balanced Reaction 2 Al(s) +3 H2SO4 --> Al2(SO4)3 + 6 H2 Al reacts with sulfuric acid to produce…
Q: 5. K2SO4 + BaCL2 --> KCL + BaSO4 -----
A: K2SO4+ BaCl2 -------> KCl + BaSO4
Q: Chlorine gas is used in the production of many other chemicals, including carbon tetrachloride,…
A: Given: Volume of chlorine gas produced at STP = 5.9 ✕ 105 L Known: Molar mass of NaCl = 58.44 g/mol
Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first…
A:
Q: Balance the reaction between HCIO and Fe to form Cl₂ and Fe2+ in acidic solution. When you have…
A: For Balancing an equation in acidic medium following steps are carried out 1. Separate oxidation and…
Q: K+ 02 -----> K2O
A:
Q: Calculate the number of pounds of CO, released into the atmosphere when a 25.0 gallon tank of…
A: To calculate volume of CO2 we use 1 gallon = 3785.41 g 1 Pound = 473.18 ml
Q: Under standard state conditions, the complete combustion of a hydrocarbon, primarily produces: O…
A: -> Combustion is a chemical reaction between fuel and an oxidant that produces an oxidized…
Q: Balance the equation C.Higft) + 0,(g} » CO,(g) + H,0/gj
A: Combustion : The burning of a compound in excess of air or oxygen is called combustion . When a…
Q: Determine the theoretical yield for the reaction. 2Mg(s)+O2(g)→2MgO(s) When 10.1 g Mg is allowed to…
A:
Q: Balance this equation, and then enter the coefficients, in order, below. HCl(g)+O2(g)⇌Cl2(g) +…
A:
Q: The compound diborane (B2H6) was at one time considered for use as a rocket fuel. Its combustion…
A: Chemical reactions are those reactions which undergo any chemical change. Chemical reaction is…
Q: Balance the reaction of NaBr + CaO --> CaBr2 + Na2O
A: In a balanced chemical reaction, the number of atoms of each element is same on the reactant and…
Q: Aka-setter contains sodium bicarbonate ( and the citric acid . When the tablet is dissolved in…
A: The chemical equation that has an equal number of atoms on both sides of the chemical equation is…
Q: So /Jmol.1 K-1 ?HP / kJ mol-¹ Ca(OH)2(s) 83.4 -986.1 NH4Cl(s) +94.9 -314.6 CaCl₂ (s) 104.6 -795.8…
A: The balanced chemical equation is: Ca(OH)2(s) + 2NH4Cl(s) → CaCl2(s) + 2NH3(g) + 2H2O(l)
Q: A. Balancing Equations 1. Identify cach of the following equations as either a combination,…
A: Combination reactions : These are the reactions in which two or more reactants combine to form a…
Q: orm Al and NiO2 in acidic solution. When you have balanced the equation using the smallest integers…
A:
Q: Write a balanced equation that describes each of the following chemical reaction. 1. Acetylene gas,…
A: the balance reactions are as follows.
Q: Balance the chemical reaction below: _Pb(OH)2 + _NaCl => _PbCl2 + _NaOH…
A:
Q: Write a full balanced equation for the chemical reaction that occurs when aqueous iron (IIInitrate…
A:
Q: Write the balanced NET ionic equation for the reaction when FeCl3 and Na3PO4 are mixed in aqueous…
A: The balanced net ionic equation is FeCl3(aq) + Na3PO4(aq) --> 3NaCl(aq) + FePO4(aq)
Q: Balance the following chemical equation (if necessary): V₂O₅(s)+HCl(aq)→VOCl₃(s)+H₂O(l)
A: V₂O₅ + HCl → VOCl₃ + H₂O Balance V. 2 on the left, 1 on the right. Add a coefficient of 2 in front…
Q: he compound diborane (B2H6) was at one time considered for use as a rocket fuel. Its combustion…
A: Stichometry deals by comparing the different concentration, volume of the reactants and products. It…
Q: Write the chemical equation and balance the reaction for the following word equations: Aluminum…
A: In a chemical reaction, all species involved in the reactants try to complete their octet with new…
Q: Balance the reaction between Fe2+ and SO42- to form Fe3+ and SO2 in acidic solution. When you have…
A: The unbalanced equation is Fe+2 + SO4–2 ----------> Fe+3 + SO2 In this reaction, the oxidation…
Q: Nitric acid is manufactured in the Oswald process, which involves the catalytic oxidation of ammonia…
A: Given: Reaction yield = 92.0 % Volume of NH3 = 1.00 m3 = 1000 L molar mass of HNO3 = 63.01 g/mol…
Q: 15.00 mL of a 0.20 M solution of sulfuric acid (H2SO4) is mixed with 20.00 mL of a 0.20 M solution…
A: Sulfuric acid react potassium hydroxide produced potassium sulphate salt and water
Step by step
Solved in 2 steps with 1 images
- An ore containing Fe3O4 was analyzed by dissolving a 1.5419-g sample in concentrated HCl. HNO3 was then added to oxidize any Fe2+ to Fe3+. The Fe3+ was precipitated as Fe(OH)3 by adding NH3. The precipitate was collected by filtration and was finally heated yielding 0.8525 g of Fe2O3. Report the concentration of Fe3O4 in the sample as %(w/w). (Note: the final answer is said to be 53.4%)What weight of sample in gram containing 8.00 % Fe3O4 (MW= 231.53 g/mole) must be taken to obtain a precipitate of Fe (OH)3 (MW= 106.867 g/mol) that, when ignited to Fe2O3 (MW = 159.69 g/mole), weighs 150.0 mgThe concentration of CO in the air can be determined by passing a known volume of air through a tube containing I2O5, resulting in the formation of CO2 and I2. I2 is removed from the tube by distillation and collected in a solution containing excess KI, producing I3-. I3- is titrated with a standard solution of Na2S2O3. A 4.79 L air sample was sampled as described here, requiring 7.17 ml of 0.00329 M Na2S2O3 to reach the endpoint in a typical analysis. If the density of the air is 1.23×10^-3 g/ml, what is the amount of CO in the air in ppm? (CO: 28 g/ml)
- An analyst was assigned to work a sample with minerals. This iron-containing sample was analyzed by dissolving a 1.3142g sample in concentrated HCl. The resulting solution was diluted with water and iron (III) was precipitated as the hydrated oxide Fe2O3 xH2O by the addition of HN3. After filtration and washing, the residue was calcined at high temperature to produce 0.5488g of pure Fe2O3 (159.69g / mol). Determine the following:a) the% Fe (55.847 g / mol) and the% Fe3O4 (231.54 g / mol) in the sample.The arsenic in a 1.22-g sample of a pesticide was converted toAsO43- by suitable chemical treatment. It was then titratedusing Ag+ to form Ag3AsO4 as a precipitate. (a) What is theoxidation state of As in AsO43-? (b) Name Ag3AsO4 by analogyto the corresponding compound containing phosphorusin place of arsenic. (c) If it took 25.0 mL of 0.102 M Ag+to reach the equivalence point in this titration, what is themass percentage of arsenic in the pesticide?Arsenic(III) oxide (As2O3) is available in pure form and is a useful (but carcinogenic) primary standard for oxidizing agents such as MnO4-. The As2O3 is dissolved in base and then titrated with MnO4- in acidic solution. A small amount of iodide (I - ) or iodate (IO3-) is used to catalyze the reaction between H3AsO3 and MnO4-. As2O3 + 4 OH - 2 HAsO32- + H2OHAsO32- + 2 H+ H3AsO35 H3AsO3 + 2 MnO4- + 6 H+ 5 H3AsO4 + 2 Mn2+ + 3 H2O (a) A 3.209 g aliquot of KMnO4 (FM 158.034) was dissolved in 1.000 L of water, heated to cause any reactions with impurities to occur, cooled and filtered. What is the theoretical molarity of this solution if no MnO4- was consumed by impurities? M(b) What mass of As2O3 (FM 197.84) would be just sufficient to react with 25.00 mL of the KMnO4 solution in part (a)? g(c) It was found that 0.146 8 g of As2O3 required 29.98 mL of KMnO4 solution for the faint color of unreacted MnO4- to appear. In a blank titration, 0.03 mL of MnO4- was required to produce enough…
- 1,5419 g of magnetite (Fe3O4) ore; Fe+2 and Fe + 3 in concentrated HCL to form a mixtureit's unraveling. Adding HNO3 to all Fe +2s Fe +3 e and Fe+3 s NH, addingwith Fe(OH)3, precipitating into. Sediment in the form of Fe3O4 after necessary operationsand 0.8525 g. Calculate the percentage of Fe3O4 in the sample.One litre of a saturated aqueous solution of Ag2SO4 (MW = 311.79 g mol- 1) at 25 °C is evaporated to dryness. 4.844 g of Ag2SO4 residue was produced. What is the solubility product (Ksp)?The mass of K3PO4 needed to prepare 250.0mL of an aqueous solution in which PO4-3 concentration is 0.0550M. The answer is ……………………… How many grams of silver sample is equal to 0.0417 mole of silver The answer is ……………………… When 38.0 mL of 0.1250 M H2SO4 is added to 100 mL of a solution of PbI2, a precipitate of PbSO4 forms. The PbSO4 is then filtered from the solution, dried, and weighed. If the recovered PbSO4 is found to have a mass of 0.0471g, what was the concentration of iodide ions in the original solution The answer is ……………………………… Express 96.342 m using 2 significant figures The answer is ………………………………. The oxidation number of sulfur in (Na2S2O5) is? The answer is ………………………………
- It is required to know the concentration of an aqueous solution of H2SO4 that appeared in the laboratoryChemistry III and it's unlabeled. To this end, a student of analytical chemistry carried out the followingProcedure: He took 5.00 mL of a fresh and standardized solution of 0.525M NaOH and brought them to a250.0 mL balloon to be completed with distilled water. Subsequently, he poured 15.00 mL of the solutionH2SO4 of unknown concentration in an Erlenmeyer flask and added 2 drops of phenolphthalein.Using a burette filled with the last NaOH solution, he noticed that when adding 39.40 mL of the hydroxidethe Erlenmeyer solution reached a faint but permanent pink. With the above dataDetermine the concentration and pH of the H2SO4 solution.(a) If the molar solubility of Cu3(PO4)2 at 25 oC is 1.67e-08 mol/L, what is the Ksp at this temperature?Ksp = _______(b) It is found that 1.75e-06 g of Cu3(AsO4)2 dissolves per 100 mL of aqueous solution at 25 oC. Calculate the solubility-product constant for Cu3(AsO4)2.Ksp = _______(c) The Ksp of ScF3 at 25 oC is 5.81e-24. What is the molar solubility of ScF3?solubility = ______ mol/LA sample of soluble salts weighs 1.200g and contains chloride, bromide, and iodide. With AgNO3 a ppt is obtained which weighs 0.4500g on heating this ppt in Cl2 gas, the AgBr and AgI are converted to AgCl, and the ppt then weighs 0.3300g. A similar sample, when treated with palladous chloride, ppt only PdI2, and this ppt weighs 0.900g. Find the approximate percentages of chlorine, bromine, and iodine in the original sample.