Find the molecular weight Find the percent composition of the of each element in the compound. (round off all solutions) BaCr207 (NH4)2 CO3 AI(MNO4)3

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A: Here we have to predict the types  of radioactive emission occur in the following radioactive…

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Q: part 1: A photon has an energy of 6.03*10-19 J. What is the frequency of this photon in MHz? part…

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Q: a. Se b. Se²- c. Sn d. Sn4+ e. Sn²+

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Q: Use the data found in the Thermodynamic Values link under Reference Materials to calculate AH, AS,…

A: Given data :

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A: Z = 5 Number of electrons (n)=1

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A: We have to explain the charge distribution on the valine molecule based on the bond polarity. We…

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Q: Which molecule(s) must be polar? O XeCl₂F2 PC13F2 O CIF5 O CBr₂Cl₂ O PCI 3 O XEF4 OICI 3

A: Answer: When a molecule has net dipole moment, it will be a polar molecule and when its net dipole…

Q: Recently, we saw see that a carbocation can be formed from an alcohol substrate in the presence of…

A: The given structure is-

Q: how did you get 0.0686 from 0.0096= .0140 x V

A: The complete mathematical operation getting 0.0686 L is shown below:

Q: Accurately using a pipette is a skill you have gained in Chemistry 1. Select all correct statements…

A: option a is incorrect because if small amount of liquid remaining in the pipette would be blown, it…

Q: Calculate the % (m/m) of oxygen gas in a mixture containing 45.0 g of oxygen gas and 75.0 g of…

A: Mass of oxygen = 45.0 g Mass of nitrogen = 75.0 g

Q: - [ OH OH

A: Gilmann reagent react with acid chloride to give ketone Carbonyl compounds react with HCN to give…

Q: Calculate ΔGo in kJ for the following chemical reaction at 60oC, given the ΔHf values below, and…

A: Answer is given below

Q: www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IJ-TnplXoFu0F7UjsroJMKrbFHXPNvwILIE9eRim2d5…

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Q: Name: 4. What is the percent ionization (to two decimal places) of a 0.50 M HNO2 aqueous solution?…

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A: We know,  pH + pOH = 14  Given, pOH of hydrobromic acid = 11.470

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Q: 1 2 3 LE 2+ Ca: F: Li L 4 5 7 6 [ANN] Ne 21

A: 1) Calcium (Ca): Its atomic number is 20 and nearest inert configuration number is 18. So, by losing…

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A: Balanced chemical equation describing the autoionozation of water at any temperature is given below:…

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A: Note - Since the given question is a multiple question, hence I solved first question according to…

Q: Question 1 Draw the structure of the hemiacetal derived from 2-Hexanone + 2-Propanol >>> ? Upload…

A: -> Hemiacetal forms when  1 equivalent alcohol reacts with ketone or aldehyde .But when 2…

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Q: Use the balanced thermochemical equations shown below (reactions 1,2, & 3) to determine the enthalpy…

A: Solid magnesium react with oxygen and produced solid magnesium oxide

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Q: A 0.19 g sample of sodium carbonate (Na2CO3) and sodium bicarbonate (Na4CO3) mixture was dissolved…

A: Here 0.19 gram of sodium carbonate  and sodium bicarbonate mixture was dissolved in 25 ml of water.…

Q: Which of the following is the weakest acid? HCN ( Ka = 4.9 × 10-¹⁰) HF (Ka = 6.8 × 10−4) OHCIO (Ka =…

A: pKa value: pKa value negative logarithm of the acid dissociation constant (Ka). pKa = -logKa Low pKa…

Q: . Which would you expect to be the product of the following reaction? Provide a 1 sentence…

A: Here we have to predict the major product formed in the following given reaction and its reason.

Q: Ethyl ethanoate (commonly called ethyl acetate), CH3CO2C₂H5, is an important solvent used in nail…

A: We know equilibrium constant is the ratio of equilibrium concentration of product to the equilibrium…

Q: Gaseous butane CH3CH22CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2…

A: Limiting reagent: Reagent which present in less amount than the required amount. The reagent which…

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Q: For the following reaction, do the following: 1. Write the correct formulas for the products,…

A: Given, Unbalanced / incomplete reaction : FeCI3(aq) +K2S(aq)→?

Q: 4.111. The burning of acetylene (C2H2) in oxygen is the reaction  in the oxyacetylene torch. How…

A: The given unbalanced equation is - C2H2(g) + O2(g)→∆CO2(g) +H2O (g)

Q: Br What is the IUPAC name of the molecule? (use S,E/Z)

A: For IUPAC naming following steps are required -> First of all identify the longest carbon chain…

Q: What is the molarity of a 750 mL aqueous solution containing 62.5 grams of sodium hydroxide(NaOH) ?

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Q: In air at 25 °C and 1.00 atm, the N₂ concentration is 0.01 M and the O₂ concentration is 0.033 M.…

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Q: Of the following substances, an aqueous solution of which will form BASIC solutions? NaHS, KHCO3 and…

A: Answer is given below

Q: Which of the following statements about the half-lives of radionuclides are true? Check all that…

A: Half Life : It is defined as the time taken by a radioactive substance to decay into one half of the…

Q: 45. I You find that if you hang a 1.25 kg weight from a vertical spring, it stretches 3.75 cm. (a)…

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Q: A chemist dissolves 649. mg of pure perchloric acid in enough water to make up 310. mL of solution.…

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