Detemine the empirical formula of the hydrated salt from question 1 (A 5 gram sample of hydrated beryllium carbonate, BeCO3 x H2O is heated according to the procedure described in this laboratory. After heating, the sample is found to weight 2.446 grams. How many moles of H2O were present in the sample? How many

Q: How many milligrams of iron(I) chloride result when 15.5 mg of iron is reacted with an excess of…

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Consider the harber-bosch process for the synthesis of ammonia from its elements. Calculate the…

A: The given chemical reaction as follows,N2(g)+3H2(g)⇌2NH3(g)amount of H2 for reaction =15.6 gramand…

Q: 2 Al + 3 Cl2 2 AlCl3   Aluminum reacts very vigorously with chlorine. 0.674 moles of chlorine will…

A: The moles of product produced = 0.449 mol The moles of aluminium metal needed  = 0.449 mol

Q: How many mililiters of O2 are consuked in the complete combustion of a sample of hexane, C6H14, if…

A: The balanced chemical reaction is given as follows: 2C6H14(g)+19O2(g)→12CO2(g)+14H2O(g) The volume…

Q: 4 HCl(9)+O2(g) → 2 H,O(g)+2Cl,(g) Use this chemical equation to answer the questions in the table…

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Q: Calcium carbonate, CaCO3, reacts with hydrochloric acid as shown in the equation below. CaCO3(s) +…

A: It is given that CaCO3 is reacting with HCl to produce CaCl2, H2O and CO2 and the balanced reaction…

Q: Can you please answer this question and show the steps

A: a.The number of moles of nitrogen gas produced is calculated as,

Q: Ammonia reacts with O₂ to form either NO(g) or NO₂(g) according to the following UNBALANCED…

A: In a balanced chemical equation, the number of atoms of each element is the same on both the…

Q: A student weighs an empty beaker at 85.301 g. A sample of Na2SO4·??H2O is added to the beaker, and…

A: Mass of empty beaker = 85.301 g  Mass of beaker + hydrated salt = 86.607 g  Mass of beaker +…

Q: How many grams of NaH2PO4 are needed to react with 79.12 ml of 0.834 M NaOH? Be sure your answer has…

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Q: Hydrogen fluoride is used in the manufacture of Freons (which destroy ozone in the stratosphere) and…

A: Percentage yield of a compound can be calculated using following formula: Percentage yield =…

Q: A sample of a substance with the empirical formula XCI3 weighs 0.4884 g. When it is dissolved in…

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Q: A water solution of sulfuric acid (H2SO4) has a density of 1.864 g/mL and is 73.0% H2SO4 by mass.…

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Q: 1.05 gg H2H2 is allowed to react with 10.3 gg N2N2, producing 1.09 gg NH3NH3. Part A What is the…

A: For this question, first calculate moles for both reactant. Then use mol to mol ratio for reactant…

Q: 3Cu (s) + 8HNO3 (aq) → 3Cu(NO3)2 (aq) + 2NO (g) + 4H2O (l) If we start with 0.500 mol of copper…

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Q: 1. Anhydrous (doesn't contain water) sodium sulfate, Na2SO4, absorbs water vapor and is converted to…

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Q: What amount in moles is 4.77x10^25 (to the power of 25) molecules?? 1.2.87x10^49 mol 2.79.2 mol…

A: Molecules = 4.77 x 1025

Q: The synthesis of maleic acid anhydride (C„H2O3) can be accomplished by reacting benzene (CHs) and…

A: According to the balanced chemical equation for 100% yield, 2 moles of maleic anhydride requires 2…

Q: A compound is composed of the elements, carbon, hydrogen, and oxygen only. Combustion of the…

A: Given: Compound contains only C, H and O. Mass of compound combusted = 10.000 g. Mass of CO2…

Q: A 1.000 g sample of an unknown compound containing only carbon, hydrogen, and oxygen was analyzed…

A: Given: Mass of sample = 1.000 g Mass of CO2 formed = 2.579 g Mass of H₂O formed = 0.6536 g Molar…

Q: Convert 0.537 mol0.537 mol of ammonium (NH+4)(NH4+) ions to equivalents.

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Q: (c) How much volume of 1.3 M NaOH solution can be made by diluting 48 ml of 4 M NaOH.   (d)…

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Q: CH,(9)+20,(9) –2 H,0(g)+CO,(9) Use this chemical equation to answer the questions in the table…

A: Two questions based on equilibrium concepts, which are to be accomplished.

Q: A 1.000 g sample of an unknown compound containing only carbon, hydrogen, and oxygen was analyzed…

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Q: Consider the following reaction 2H2(g)+O2(g)->2H2O(g) if 3.0 moles of H2(g) react fully with…

A: Number of Moles of Water  made can be calculated as follows -

Q: before 1959, oxygen was popularly used to define the unit of mol. in 1967, the international…

A:

Q: If we react HCl with excess NaOH one of the products will be NaCl. If we assume that all of the Cl…

A: Given, Mass of HCl = 11.7 g Molar mass of HCl = 36.5 g/mol Mass of NaCl produced = 15.9 g Molar mass…

Q: The density of octane, C8H18C8⁢H18, is 0.703 g/mL0.703 g/mL. Calculate the number of moles of octane…

A: Given Data :  1.density of octane = 0.703 g/mL  2. Volume = 49.1 mL  Molar mass of octane = 114.23…

Q: Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce…

A: The objective of this question is to determine the amount of ammonia produced, the limiting…

Q: A sample of phosphorus weighing 2.50 grams is burned in the presence of oxygen. What is the…

A: Answer:- This question is answered by using the simple concept of determination of empirical formula…

Q: Molar Masses A = 141.8 9 mole D = 63.996- g mole E = 128.24- mole 1 G = 56.028 mole X = 48.044–g Z =…

A: Limiting Reactant is the reactant which is completely consumed during the course of reaction.  The…

Q: 0.279 g of the hydrate CoCl2•nH2O is heated to produce 0.197 g of anhydrous CoCl2 (MM = 129.83…

A: The water of crystallization means having a fixed number of molecules present in one formula of a…

Q: (h) Propyne is a hydrocarbon gas that is often used as a substitute for acetylene in welding,…

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Q: The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many…

A: Consider the given balanced equation is as follows; Reaction:        4 NH3g     +      5 O2g      →…

Q: The following two-step process has a 30.0 % yield for each step. CH4 + 4 Cl2 + CCL + 4 HCI CC4 + 2…

A: Given that: The % yield of each step = 30.0% Moles of CH4 used= 4.00 mol.

Q: Hydrogen chloride and oxygen react to form water and chlorine, like this: 4 HCl(g)+O,(9) → 2…

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Q: How many moles of Al are necessary to form 28.6 g of AlBr₃ from this reaction: 2 Al(s) + 3 Br₂(l) →…

A: Given , mass of AlBr₃  = 28.6 g Thus, moles of AlBr₃  = mass of AlBr₃ molar mass of AlBr₃  = 28.6…

Q: In the precipitation reaction AgNO3 (aq) + KCI (aq) O AgCl O KCI O KNO3 O AgNO3 AgCl (s) + KNO3…

A: A precipitation reaction is a chemical reaction in which two solutions combine to form insoluble…

Q: Bromine trifluoride reacts with metal oxides to evolve oxygen quantitatively. For example,3 TiO2(s)…

A: The reaction involved is  3TiO2 (s) + 4BrF3 (l) → 3TiF4 (s) + 2Br2 (l) + 3O2 (g) Mass of ore taken =…

Q: 009 (part 1 of 4 chemist measured out 8.25 g of copper(II) romide tetrahydrate (CuBr2 · 4 H2O). How…

A: Molar mass of CuBr2.4H2O=295.4151 g/molNo, of Oxygen atoms present in the molecule =4Mass=4×(16…

Q: If 0.100 g of a compound containing C, H, and O is combusted completed in an excess of oxygen and…

A: Mass of the Carbon can be calculated as

Q: Methane and hydrogen sulfide react to form hydrogen and carbon disulfide, like this: CH4(g)+2H,S(g)→…

A:

Q: The mineral galena is composed of lead(II) sulfide and has an average density of7.46 g/cm3. (a) How…

A: Mineral are substances formed  naturally  in the earthGalena mineral  is ore of lead