energy, in J, is

Q: Decide whether each molecule or polyatomic ion s polar or nonpolar. do f the molecule or polyatomic ...

A: Polarity of given compounds:

Q: A 1.50 g sample of hydrocarbon undergoes complete combustion to produce 8.80 g of CO2 and 5.40 g of ...

A: Note : Recheck values but process is right

Q: Please answer all (2)

A: True and False.,    

Q: A mixture of helium and neon gas is expanded from a volume of 58.0 L to a volume of 86.0 L, while th...

A: Work done = P∆V 

Q: Find He appoprilate reagens for etficlent counveuieh of Starting meterial to podust a) OH OH b) OTs ...

A: The reagent(s)  in each reaction is shown below along with mechanism also 

Q: Be sure to answer all parts. Heating copper(II) oxide at 400°C does not produce any appreciable amou...

A:

Q: draw all the possible sterisomers of the reaction

A: Carbonyl compound prefer to undergo nucleophilicaddition reaction due to its electrophilic character...

Q: A 22.0 g block of copper at 45°C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385 Jig...

A:

Q: The diagram below represents an operating electrolytic cell used to plate silver onto a nickel key. ...

A:

Q: Metals lose electrons under certain conditions to attain a noble gas electron configuration. How ma...

A: Given -  Na  

Q: What element forms an ion with an electronic configuration of [Xe] and a −2 charge?

A:

Q: A chemical reaction occurs when 0.378g of Mg is heated in a Nitrogen environment. The product of the...

A: Mass of mg = 0.378 g Mass of product = 0.456 g

Q: alculate the mass of excess reagent remaining at the end of the reaction in which 90.0 g of SO2 are ...

A:

Q: You    have    a    250    mM    stock solution of    Tris.    What    volume    of    this    stock...

A:

Q: Rx Mercury Bichloride 0.1% Resorcin M...

A: Density of isopropyl alcohol = 0.7854 g/mL

Q: 3. The heat of the solution of a solid sample was determined using a coffee cup calorimeter that con...

A:

Q: A 0.5228 g sample of an unknown monoprotic acid was titrated with 9.96x10-2 mol L-1 NaOH The equival...

A:

Q: Tobramycin sulfate is a 7-ion electrolyte and has a molecular weight of 1425.45 g/mol. Assuming that...

A:

Q: Enter your answer in the provided box. The atomic masses of the two stable isotopes of copper, Cu (6...

A: Calculation of average atomic mass of cu:

Q: Pentaborane BgHg(s) burns vigorously in O2 to give B203(s) and H20(1). Calculate AHrxn for the combu...

A:

Q:

A: Given that, w/v % = 0.85%  M.Wt = 58.5 g mol-1  Normality = ?

Q: Give the IUPAC name. Use the IUPAC 1993 Recommendations for organic nomenclature.

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main...

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write...

A: Given table is :   

Q: what compound is this based in the IR spectroscopy

A: IR spectra of a compound helps us to know the class of organic compounds, to which it belongs.   IR ...

Q: 12.49.Explain why it is essential that fl uids used in intravenous injections have approximately the...

A: Answer of 12.49 is given below

Q: The product of saponification is called salt. Explain why.

A: Reverse esterification that is the hydrolysis of ester compound is called saponification reaction . ...

Q: How many protons, neutrons, and electrons are there in a neutral atom of 113In (indium-113)?

A: Atomic number of indium = 49 Atomic mass of indium = 113

Q: 4.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have...

A:

Q: What is the use of acetylide formation??

A: Acetylide anion is an anion formed by the removing the proton from the end carbon of the terminal al...

Q: Be sure to answer all parts. The AG° for the reaction H;@) + 1;6) = 2HI) is 2.60 kJ mol at 25°C. Ia ...

A: H2(g) + I2(g) <===> 2HI (g) ∆Go = 2.60 kJ R = 8.314 Jmol-1 K-1 T = 298 K

Q: what minimum mass of cobalt (ii) nitrate must be added

A:

Q: Be sure to answer all parts. The reaction between aluminum and iron(III) oxide can generate temperat...

A:

Q: Give the IUPAC name. Use the IUPAC 1993 recommendations for organic nomenclature.

A: Given:-   To find:- The IUPAC nomenclature of the above compound.

Q: Enter your answer in the provided box. 12 The atomic masses of the two stable isotopes of carbon, 13...

A: Given,  12C6 isotope has 98.90 %  molar mass = 12 amu And 13C6 isotope has 1.100 %  Molar mass = 13....

Q: 5. Magnesium hydroxide (Mg(OH)2) has a pKsp value of 11.25. In a solution at pH 10, what is the maxi...

A: Given,  pKsp of Mg(OH)2 = 11.25  pH = 10  What is the maximum Mg2+ concentration in µmol/L = ?  What...

Q: When we report the concentration of a solution we are using the moles of the entire compound. For ex...

A: Concentration of solutions:

Q: How many milliliiters of a 1.25 M HF are needed to make 150 mL of a 0.450 M hydrofluoric acid/fluori...

A:

Q: An acid constant / base constant that is higher than 1 indicates that: The acid is a weak acid and t...

A:

Q: What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr203 wi...

A:

Q: Practice Exercises 6.1 1. a. b. H,CO,(aq) = H,O(/) + CO,(g) H,O(g) + C6) = H,(g) + CO(8) 0,(g) + 4NO...

A: At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration o...

Q: Which of the following cations will produce precipitates upon treatment with NaOH and NH3 separately...

A: The formation of precipitation upon reaction of metal cation with sodium hydroxide and ammonia can b...

Q: 0.04 nm 104° +) A) Suppose the center of a water molecule was positioned 1.0nm away from a 2nC posit...

A: A) As we know, a charge is a source of e ll electric field,in which electric dipole (water molecule ...

Q: Common lons and Polyatun CH3COU for C2H3O2) Name Hvpochlorite ion Be? halt No 1Be - NaNo3 Sodum [NO3...

A:

Q: A 8.00 L tank at 4.12 °C is filled with 11.7 g of chlorine pentafluoride gas and 14.1 g of boron tri...

A: Partial pressure of chlorine pentaflouride PV = nRT   P= ?  V = 8L  n = 11.7/130.4 = 0.089  R = 8.31...

Q: Calculate the average atomic mass of copper. The percentages denote the relative abundances. Isotope...

A: Average atomic mass (in amu),           = Σ (atomic mass × abundance) of isotopes

Q: At equilibrium, Qc is EQUAL to Kc. * Determine if the capitalized word makes the statement correct. ...

A: Chemical equilibrium:

Q: How much heat is absorbed by liquid water that weighs 550 grams as it is heated from 25C to 95C?

A: Given, mass of water m= 550 g T1=25 ℃  T2=95℃ Cp for water = 4.184 J g-1℃-1 heat q=?

Q: Gaseous methane (CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (CO,) an...

A: Mass of methane= .12 g, molar mass= 16 g mol-1 mass of O2=27.6 g, molar mass= 32 g mol-1 mass of met...

Q: H,SO4 (A) -OH но 180° K,Cr,0,, H,SO4 (B) он (F) (E) (D) (C) \KMNO4, NaOH, Hz0 PCC, pyridine sodl, py...

A: Since you have asked a question with multiple sub-parts, we will solve the first three sub-partts (A...

Q: In general, native (folded) proteins are in equilibrium with denatured (unfolded) forms: Protein(fol...

A: