How many grams of potassium permanganate will react with 13.8 g of hydrogen peroxide if hydrochloric acid is in excess? 2KMnO4(aq) + 5H2O2(aq) + 6HCl(aq) ⟶5O2(g) + 2MnCl2(aq) + 8H2O(l) + 2KCl(aq) Answer Choices: 1.19 g 25.6 g 160. g 7.43 g 64.1 g

Q: Show that the [4 + 4] cycloaddition of two butadiene molecules to give cycloocta1,5-diene is thermal...

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Q: The 'H NMR spectrum of an unknown compound is shown here. In the compound's mass spectrum, the M+ pe...

A: The 1H-NMR spectra of a compound denotes the difference in the environment of the proton nuclei. Gre...

Q: In what main group(s) of the periodic table do elements have the following number of half-filled p-o...

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Q: a = 8.779 L2bar/mol2 b= 0.08445 L/mol

A: Vander wall equation of gas: P +an2V2 V - nb=RT Given data P = 12.75 MPa =127.5bar T = 400K a = 8.77...

Q: phlogiston,

A: Phlogiston theory was the first workable chemical theory that was conceived entirely on mechanistic ...

Q: Calculate the percent composition of the following compounds. Write all values to two decimal places...

A: 1) KHCO3 : In the compound, there are, 1) 1 K atom 2) 1 H atom 3) 1 C atom  4) 3 O atoms.  

Q: What is the correct IUPAC name for the compound shown here?

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Q: Why are NH3 and CH3NH2 no longer nucleophiles when they are protonated?

A: A molecule is said to be nucleophiles when it donates its lone pairs of electrons.  In protonation, ...

Q: The fastest golf drive ever recorded is 97.05 m/s (217.1 mph) and was achieved by Ryan Winther at th...

A: the distance between two  consecutive  crest or two consecutive trough is known as Wavelength. 

Q: What is the molarity of CaSO, in a solution

A: Number of moles = molarity × volume (in L)  Molarity = number of moles/volume(in L)

Q: At 1 atm, how much energy is required to heat 87.0 g H2O(s)87.0 g H2O(s) at −10.0 ∘C−10.0 ∘C to H2O(...

A:                                           Answer  Heat transfer  Q = mcPdT M  = 87.0 gm    cp = 2.00...

Q: 60.0 ml of 0.32m potassium iodide reacts with 20.0 ml of 0.53m lead (II) nitrate. How many grams of ...

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Q: Water has a molal freezing point constant of 1.86°C kg/mol.  Calculate the freezing point of 38.734 ...

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Q: 1) Draw the Lewis symbol for each element in the compounds below, then draw a Lewis Structure for th...

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Q: Using Molecular Orbital Theory, draw the molecular orbital energy diagram for B22+. To earn full cre...

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Q: Calculate the speed of an electron with a wavelength of 820 nm

A: De-Broglie wavelength: It states that any particle of matter that has linear momentum is also a wave...

Q: The reaction below has an equilibrium constant Kp=2.2×10^6 at 298 K.2COF2(g)⇌CO2(g)+CF4(g)

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Q: An equilibrium mixture contains N2O4, (P= 0.30 atm ) and NO2 (P= 1.0 atm) at 350 K. The volume of th...

A: Le chatliers Principle: As pressure decreases, equilibrium will shift to the side accompanied by an ...

Q: #75

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Q: In the Lewis structures listed here, M and X represent various elements in the third period of the p...

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to b...

Q: VSEPR theory predicts that the geometry of the AsH3 molecule is A. linear B. trigonal planar C...

A: TRIGONAL PYRAMIDAL GEOMETRY  As INVOLVE IN SP3 HYBRIDISATION ,EXPECTED GEOMETRY IS TETRAHEDRAL INPRE...

Q: Which of the following materials would exhibit the mechanical behavior denoted by the arrow in the b...

A: The mechanical properties of polymer can be given according to Hooke's law and relation between stre...

Q: balance the chemical equation for each reaction C02 + H20 -----> C6H1206 + 02

A: A balanced chemical equation is an equation in which the atoms or charge on the reactant side are eq...

Q: A polystyrene component must not fail when a tensile stress of 1.25 MPa (180 psi) is applied. Determ...

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Q: Indicate whether each of the following statements is true or false. For each statement that is false...

A: The above statement is correct but its reasoning is false. H2S is less acidic than H2Te because on m...

Q: 4) Draw trans-1-ethyl-3-methylcyclohexane chair confirmations. Which one is the most stable confirma...

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Q: Answer the following question

A: A chemical reaction takes place in a number of intermediate steps. It involves the formation of a te...

Q: What is the concentration, in normality, of a 2.8 M solution of H2SO4?

A: The relationship between Normality and Molarity is  Normality = n × Molarity Where n = valency facto...

Q: How many cubic meters of blood does the heart pump in a 75-year lifetime, assuming the average flow ...

A: Given: Flow rate of pump (Q) = 5.0 L/min. Average human age (t) = 75 years.

Q: Can I have the Molecular Equation for Calcium Nitrate + Sodium Sulfate   I tried CaNO3 + NaSO4  --&g...

A: The molecular formulas of calcium nitrate and sodium sulfate are Ca(NO3)2 and Na2SO4 raepectively.

Q: The width, length, and height of a small box are 15.5, 27.3, and 5.4 cm, respectively. Calculate the...

A: Given information: Length = 27.3 cm Breadth = 15.5 cm Height = 5.4 cm  

Q: How many atoms of hydrogen are contained in each of the following? a) 23 molecules CH3CH2COOH b) 7.4...

A: First calculate the no. of moles using the following formulae, then no. atoms of hydrogens in the gi...

Q: Arrange the following kinds of electromagnetic radiationin order of increasing wavelength: infrared,...

A: The region of wavelength for the radiations are  infrared : 700 nm to 106 nm green light : 560 nm to...

Q: Knowing that the crystal spacing of the monochromator  [Topaz crystal (303) ] has an interplanar dis...

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Q: What type of crystal lattice does each metal form? (Thenumber of atoms per unit cell is given in par...

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Q: The reaction C,H, (g)2C,H,(g) has an activation energy of 262 kJ/mol. At 600.0 K, the rate constant,...

A: Given : Activation energy of reaction, Ea = 262 KJ/mol = 262000 J/mol                               ...

Q: Show how this alkene can be synthesized by a Wittig reaction. CHCH3

A: The Wittig reaction is the formation of an alkene compound by the transformation from the reaction o...

Q: If I have a substance with a pH of 3 what is it

A: PH is defined as negative logarithm of concentration of [H+] Ion. 

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct nu...

A: The answer to a multiplication or division is rounded off to the same number is significant figures ...

Q: Determine the energy change for the reaction Li (s) + ½ Cl2 (g) → LiCl (s) from the following data: ...

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Q: Describe a synthesis for each of the following compounds, using the given starting material and any ...

A: The first reaction is an elimination reaction which involves the elimination of HBr and the product ...

Q: For which of the processes does the entropy of the system increase?

A: The disorderness or randomness present in a molecule is termed as its entropy.

Q: Answer the following question

A: Given data : Standard entropy of H2 = Sθ(H2)=130.7J/mol K Standard entropy of O2 = Sθ(O2)=205.2J/mol...

Q: What factors cause transitions between the solid and liquid state? The liquid and gas state?

A: Solids are substances in which the particles are ordered and are very close to each other. The parti...

Q: Electrons in bonds are negatively charged and therefore repel each other. If you had a molecule of f...

A: 3D shape:- This shape has three dimensions which are length, breadth and height. Repulsion in increa...

Q: Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D b...

A: A question based on acid-base concept, which is to be accomplished.

Q: Which ions, when present in solution, indicate that a material is an acid?

A: This is based on the Arrhenius theory of acids anf bases. 

Q: Calculate the goniometer setting, in terms of  2q required  to observe the Ka1 lines for Fe (1.76Å),...

A: For Topaz d=1.356 Å For LiF d = 2.014 Å For NaCl d= 2.820 Å

Q: Plz do Asap...! Que 4

A: The meanings accept that the bases are compounds that react with acids as suggested earlier by G.-F....

Q: If more NO is added, bringing its concentration to 0.900 M, what will the final concentration of NO ...

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