77 tab77.) A biacury compound of boron¢ hydcogen hefs Hetollowing percentege compostion: 48.4% boron21.80% Pydcogen. If the molar mass of the ompoundis determinedd y experiment to be between 27andPamulas of He comouapinical and molecularformulas of Hhe compuund?"caps locshifttrlFG

Answered: Image /qna-images/answer/a58e50af-62a1-4243-8111-20769fed62c9.jpg

ta 1+ 77,) A bincury compound of boron ☆ hudregen hefs He following percentage compostion: 98.4% boronnd 21.80% hydcogen. If the molar mass of the is doterminedd y experiment to be between21 and tormulas of tHe comonapinical and molecular formulas of He compuined?" cap shif trl

ta 1+ 77,) A bincury compound of boron ☆ hudregen hefs He following percentage compostion: 98.4% boronnd 21.80% hydcogen. If the molar mass of the is doterminedd y experiment to be between21 and tormulas of tHe comonapinical and molecular formulas of He compuined?" cap shif trl

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

Problem 12QAP: The heat of neutralization, Hneut, can be defined as the amount of heat released (or absorbed), q,...

See similar textbooks

Related questions

Q: Given the reachion represented by C Hy)+32 (5)る州)+ CHy Cs) the balanced equation Calculate te number…

A: To get the amount of product formed, 1) Write the balanced chemical equation. 2) Consider the number…

Q: a sample of ammonia (NH3) Liberates 5.59 KJOF heat as it solidifies at its meining point Whar is the…

A: Given : Amount of heat liberated = 5.59 KJ And the heat of fusion of ammonia = 5.66 KJ/mol.

Q: A 2.68 gram sample of a KCl and KCIO3 mixture was found to contain 0.01541 mol of KCIO3. What is the…

Q: A volume of 56.0 mL of He at STP: How many moles? b. Weight how much? Contains how many molecules?…

A: Given: Volume of He at STP = 56.0 mL

Q: The baknced reachion is Na, so, + Ba (NO,), Ba(NOs), Ba so, + a NaNo, tor Imole of Na,5o̟ and Ba…

A: Moles of sodium sulfate = 0.704 mol Moles of barium nitrate = 0.191 mol Limiting reagent: Barium…

Q: Acetylene (C,H,) can be manufactured by the reaction of water and calcium carbide, CaC: CaC (s) + 2…

A: Given: mass of commercial grade calcium carbide = 44.5 g moles of C2H2 produced = 0.540 mol

Q: Tecept.n part So le or, I 0 mole of no. BY mole of CO O, la or 2 mole of O of KACO I mole of at Qr…

A: The compound with higher entropy in each pair has to be given.

Q: A 2.37 gram sample of a KCI and KCIO3 mixture was found to contain 0.01611 mol of KCIO3. What is the…

A: Mass of mixture of KCl and KClO3 = 2.37 g Number of moles of KClO3 = 0.01611 mol Molar mass of KClO3…

Q: of

A: moles= given mass /molecular mass We have 0.730 mole of CS2 Molecular mass =76.13g/mol Mass of CS2=…

Q: Q1: Calculate the mass needed to prepare 2.0L of 0.05M AGNO, (M. Mass 169.87g/mol) from its primary…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Sulfur dioxide is a major industrial gas used primarily forthe production of sulfuric acid, but also…

A: The process of formation of SO2during the process is ,4FeS2(s) +11O2(g) →2Fe2O3(s) +8 SO2(g)It is…

Q: how many moles of cocl3 are in 172.6 ml of a 19.6% mass sloution of cocl3 which has a density og…

A: You have given total volume and density, then find the mass of the solution to get the % mass of the…

Q: What mass of AgI can be produced from a 0.532 g sample that assays 20.1% of AlI3?

A: The mass of the sample is = 0.532 g The mass percent of AgI in the sample is = 20.1 % The mass of…

Q: Set up the mole ratio of CO2to O2.

A: For the general case, the atmospheric pressure is 1.00 atm and temperature 298.15 K, the volume of 1…

Q: A sample of acompound is decomposed in thelaboratory and produces 165 g ofcarbon, 27.8 g of…

A: The given data contains, Carbon = 165 g. Hydrogen = 27.8 g. Oxygen = 220.2 g.

Q: Covert 0.618g H2O to moles

A: Mole concept gets utilized for calculating any substance's/compound's amount in moles. If…

Q: Write the formula for Plumbous Acetate (enter all subscripts as numbers, for example Al2O3 would be…

A: Formula for plumbous acetate.

Q: Define the term formula weight (FW) of a substance?

A: The formula weight of a substance has to be defined.

Q: What is the Molarity of CaCO3 if it's mass is 50.27g?

A: Calcium carbonate is a chemical compound with the formula CaCO3 . It's a common substance found in…

Q: Calculate the weight of oxygen required to yield 45.2 grams of carbon dioxide according to the…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: tind the number of moles of the Combustion products of propaine if the abundan ce is o.85

A: A numerical problem based on mole concept, which is to be accomplished.

Q: Given : 2NaHCO3-->Na2CO3 +H2CO3 Molar mass NaHCO3 is 84.01g/mol Molar mass of Na2CO3 is…

Q: How many molecules of carbon monoxide (CO) needed to reactwith-excoss irOE()oxide-(E) to produce…

Q: How many moles of H2SO4 are there in 191 mL of a stock solution that reads 0.601M ?

A: Interpretation - To determine the number of mole of H2SO4 are there in 191 mL of a stock solution…

Q: What is the empirical formula of a compounc

Q: Calculate the molar mass of a sample containing 34 molecule that weighs 7X 10^-22 g.

A: Given : Number of molecules = 34 Mass of sample = 7 × 10-22 g To calculate :- Molar mass of…

Q: What is the limiting reactant and what is the maximum mass of xenon produced give 1015 grams of YeF…

A: 2 PF3 + XeF4 --> 2…

Q: What is the molarity of a solution prepared by dissolving 37 mol KMNO4 in enough water to make 903 L…

A: Dear student I have given answer to your question in the image format.

Q: How many moles are present in a 3600 mg of M9SO4 ? Note that: MW for MgSO4 = 120.4 g/mol Select one:…

A: Number of moles (n) is the ratio of the mass of sample [in g(grams)] and the molar mass (in g/mol).…

Q: Haw many moles. of Ht in @LGmole Hy Soy mass

A: Given information: Moles of H2SO4 = 1.6 moles Moles of HCl = 1.9 moles

Q: 1, determine the mass of blue dye in the solution. ( of the dve is 792 84g/mol).

Q: How mony moles are Dresent in 250g BalOH)a:

A: Given, Mass of Ba(OH)2 = 250 g Moles of Ba(OH)2 = ? Note: Molar mass of Ba(OH)2 = (137.34 + 2×16 +…

Q: When heated, Iithium reacts witn nitrogen to form litnium nitride: 6Liisst Ng!g) 2 Lig Nis) alg)→2…

A: given the mass of Li(s) = 12.8 g molar mass of Li = 6.94 g/mol => moles of Li = 12.8 g * (1…

Q: A 0.652-g sample of a pure strontium halide reacts with ex-cess sulfuric acid, and the solid…

A: Given information, Mass of strontium halide = 0.652 g Mass of strontium sulfate = 0.755 g

Q: The human body excretes nitrogen in the form of urea,NH₂CONH₂. The key biochemical step in urea…

A: Formula of Urea is NH2CONH2 molecular mass of urea = 60 amu Formula of Arginine is C6H14N4O2…

Q: 1. Suppose that in the experiment of the empirical formula 10% of the metal (Mg) stays unreacted and…

A: Magnesium being a metal reacts with oxygen to form magnesium oxide.

Q: Asample of a compaund contairing only nitragen nd anygen containn 1 0g of N and 537g efo Enter the…

A: In this question, we have find the number of moles of Nitrogen and oxygen in the compound and also…

Q: Which contains more, 6.35 X10E23 molecules of sodium hydroxide or 44.32 g of sodium hydroxide?

Q: TReview Topics [Rererences Use the References to access important values if needed for this…

A: Moles of compound combusted = mass of compound / molar mass of compound = 10.08 / 62.07 = 0.1624…

Q: Zn + CuCl2 ZnCl, + Cu How many moles of ZnCl, will be produced from 23.0g of Zn?

A: Ans

Q: What is the mass percent of ethanol (CHCHOH) if 0.0796 moles of ethanol is added to 0.257 kg of…

Q: The empirical Cis Ha NO, Codeine is molecular farmúla! Show molar mass calculation Seperately.…

Q: Caleulate the molar mass of a compound if0 J66 mole of it has a ma of 4150 mol

Q: Determine the molecular formula and calculate the molar mass (in g/mol) of alanine, the essential…

Q: ( avestion) J - What mass 15.0 of NH3 of №₂ and 12.5g of H₂ is produced ??? are reacted,

Q: What is the milliequivalent weight (g-meq) of Magnesium Oxide if it's molecular weight is 40 g/mol

A: Equivalent weight: The equivalent weight of an element is the mass of the element in gram which…

Q: How many moles of H2SO4 are there in 117.4 mL of a stock solution that reads 0.763M ?

Question

tab
77.) A biacury compound of boron¢ hydcogen hefs He
tollowing percentege compostion: 48.4% boron
21.80% Pydcogen. If the molar mass of the ompound
is determinedd y experiment to be between 27
and
Pamulas of He comouapinical and molecular
formulas of Hhe compuund?"
caps loc
shift
trl
FG

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Biological Importance of Chemical Elements

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Magnesium +Acetic Acid --> C2HG5+ O2 ---> Iron (III) carbonate -->
The heat of neutralization, Hneut, can be defined as the amount of heat released (or absorbed), q, per mole of acid (or base) neutralized. Hneut for nitric acid is -52 kJ/mol HNO3. At 27.3C, 50.00 mL of 0.743M HNO3 is neutralized by 1.00 M Sr(OH)2 in a coffee-cup calorimeter. (a) How many mL of Sr(OH)2 were used in the neutralization? (b) What is the final temperature of the resulting solution? (Use the assumptions in Question 11.)
which of the following froactions is equivalent to 55% 13/25, 11/20/, 9/20, 12/25
Natural gas consists primarily of methane, CH4(g).(a) Write a balanced chemical equation for the completecombustion of methane to produce CO2(g) as the onlycarbon-containing product. (b) Write a balanced chemicalequation for the incomplete combustion of methaneto produce CO(g) as the only carbon-containing product.(c) At 25 °C and 1.0 atm pressure, what is the minimumquantity of dry air needed to combust 1.0 L of CH4(g) completelyto CO2(g)?
Calculate K givenEcell= 2.21 voltsE0cell= 1.47 voltsT= 355 Kelvinn= 1R= 8.314 J/mol KF= 96500 C/mole electronsEcell=E0cell−RTnFlnK
Calculate the volume of air required for complete combustion of 1m3 of a gaseous fuel having the composition: CO = 46%; CH4 = 10%; H2 = 40%; C2H2 = 2%; N2 = 1% and the remaining being CO2.
When two cotton plugs, one moistened with ammonia and the other with hydrochloric acid, are simultaneously inserted into opposite ends of a glass tube that is 87.0 cm long, a white ring of NH4Cl forms where gaseous NH3 and gaseous HCl first come into contact.NH3(g) + HCl(g) ⟶ NH4 Cl(s)At approximately what distance from the ammonia moistened plug does this occur?
How many grams of CC are required to react with 34.3 gg of Fe2O3Fe2O3?
5.127 Photosynthesis produces glucose (C6H12O6) and oxygen from carbon dioxide and water:
Only typwed solutiuon
Acetaminophen, a popular drug taken as pain reliever and fever reducer, is produced together with acetic acid from the reaction of 3.05 g 4-aminophenol and 4.1 ml of acetic anhydride. Acetaminophen was extracted at 60% yield. Density of acetic anhydride at 20 C, 1.08 g/ml. Calculate the actual no. of grams of acetaminophen produced. [Determine L.R., E.R.]
Given the following molecule on which part of the molecule is the lectern density the greatest? O=C=O