If 7.736 g of a pure element contains 3.825×1022 atoms, what is the element?

Q: Show work. Give correct answer..avoid handwritten Solution

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A: Explanation : We know, unit conversion :1 km = 1000 m and 1 m = 100 cm  Therefore, 1 km = 1000 x 100…

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A: Step 1:Since, molar mass of ethyl alcohol is 46.068g/mol, therefore, number of moles of ethyl…

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A: Step 1:The reaction of formation of Helium-3 from Dueterium (2H1) is as follows2H1 + 2H1 = 3He2 +…

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A: 1. Inert Pair Effect:The inert pair effect refers to the phenomenon where the outermost ns²…

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A: Step 1:E = 167 M-1 Cm-1 l = 1.00cmIt = 4.26 %we know that   A = log I0/ It        ..................…

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A: Step 1:Here's the completed table with the chemical formulae of the species present at…

Q: 4. A volume of 25.0mL 0.100M CH3CO2 is titrated with 0.100M NaOH (Ka for CH3CO2H = 1.8E-5) (a) What…

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Q: What is the molecular formula of the following alkane? C4H10 C5H10 C5H12 C5H14 OC6H14

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Q: 4. Explain the Hybridization around all the atoms for NO2 Hybridization steps N -1 Isolated atoms…

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Q: 10.4 Complete the following synthesis. a. CH3CH2CH2CO2H from CH3CH2CH=CH2 b. CH3CH2CH2CO2H from…

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A: Step 1: first draw the large and complicated ligand, notice they are all bound to one central BH-…

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A: Concept: Neutral atom: A neutral atom is the most stable state of an atom. In neutral atom equal no…

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Q: A weak acid has a pKa of 3.2 How much in %, is ionized if the pH of the medium is 2.5?

A: In this question, we are given the pKa of a weak acid and the pH of the medium. The pKa is a measure…

Q: Chemistry

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Q: 11) A 520 ml solution contains 0.130 M formic acid (K, = 1.80 x 10) and 0.130 M sodium formate.…

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Q: Calculate standard enthalpy of formation

A: The balanced reaction: CO(g) + 3 H2(g) → CH4(g) + H2O(g) Standard enthalpy change fo4 the reaction =…

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Q: 4. Explain the Hybridization around all the atoms for NO2 Hybridization steps N -1 Isolated atoms…

A: In the NO2 molecule, we have three isolated atoms: one Nitrogen (N) and two Oxygen (O) atoms. The…

Q: The answer is 17% +/- 39%

A: You checked 6 plums from your fruit tree, and you found that one of them has a worm. To find the…