What is the atomic number for an element whose mass number is 152, which contains 88 neutrons per atom?

Q: Why do the hydrogens on the methyl groups have duplets?

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Q: When the supply of oxygen is limited, iron metal reacts with oxygen to produce a mixture of FeO and…

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Q: Part 1 ( Where should we start? Notice that for the CH₂COOH, we know both the molarity and the…

A: Introduction :-  The relation between Mass and moles is                       Mass = Moles(mol) ×…

Q: Which of the following species are isoelectronic with Ne? Choose one or more: O Mg2+ O Li D Ca O F-…

A: Here, we have to find the sp[ecies that are isoelectronic with Ne.

Q: It is sometimes appropriate to express the temperature dependence of the heat capacity by the…

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Q: What is the systematic name of:  1) 2-(1-hydroxypropyl)-6-isobutylcyclohexan one 2)…

A: since you posted a question with multiple subparts, we will solve the first three subparts for you.…

Q: What is the molar mass of the solid C 6H8 N4 O 4?     2. The following  18  O  -2. How many…

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Q: Use the following energy expression and the variational principle to find the exponent for U⁹1+

A: We need find the value of variation parameter using variation principle for the given energy…

Q: 5. When propane gas burns, it reacts with oxygen to yield carbon dioxide and water. 1 mole C3Hs+…

A: Balance the chemical equation as follows:

Q: 4-Dezincification is forms of corrosion a) Uniform Corrosion (b) Crevice Corrosion (d) Intergranular…

A: Dezincification is form of _____ corrosion (A) Uniform corrosion (B) Crevice corrosion (C)…

Q: Can you answer the questions and explain how you find the answer

A: Resonance structures of Radical is given below,

Q: Calculate pI for arginine (pKa (carboxyl) = 3.1; pKa (amino) = 8.0; and pKa (R group) = 12.5

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Q: Which of the following compounds has the highest boiling point? 2-methylhexane 2,3-dimethylpentane…

A: 2-methylhexane 2,3-dimethylpentane 3-methylheptane 2,3-dimethylhexane

Q: A 1.36g sample of magnesium nitrate, Mg(NO3)2 contains ____ mol of this compound

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Q: A(n) COO- I H₂N-C-H CH₂ | CH CH₂ CH₂ L-Leucine COO- T H-C-NH, CH₂ CH CH₂ CH₂ D-Leucine reaction…

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Q: Name the following with the IUPAC nomenclature

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Q: Copper(II) sulfate pentahydrate can be decomposed (dehydrated) by strong heating according the…

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Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given :-  Mass of CsBr = 5.17 g  Mass of Water = 102.40 g  Temperature drops from 24.20 °C to 22.60…

Q: What percentage of the CaCO3 mass is due to calcium?

A: By taking the atomic mass of calcium over the atomic mass of CaCO3 and multiplying it by 100 we can…

Q: Consider hydrobromic acid being titrated with sodium hydroxide. What is present at the equivalence…

A: Given that, hydrobromic acid (HBr) being titrated with sodium hydroxide (NaOH). We have to tell…

Q: 4.3 Draw the two chair conformations of trans-1-bromo-4-methylcyclohexane. Bri" CH3

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Q: 40. In this type of isomerism, orientation of atoms in space is changed by breaking bonds. A.…

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Q: Your supervisor asks to make 300 mL of a 1.0% (w/v) starch solution using a 5% (w/v) stock solution.…

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Q: 4) Draw a cyclohexane chair with 2 substituents that requires a chair flip.

A: A ring flip is performed by cyclic molecules, generally cyclohexane, due to the molecule's desire…

Q: What mass of solid La(IO3)3 is formed when 50ml of 0.25M La^+3 is mixed with 75mL of 0.302M (IO3)^-

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Q: 1. If 100 mL of water contains 5 grams of NaCl, molecular mass = 58.5 g/mol, what is the molarity of…

A: Given -> Volume= 100 ml = 0.100 L (1L = 1000ml) Weight of NaCl = 5 gram Molecular mass = 58.5…

Q: 5). A). Calculate the delta G for the hydrolysis of ATP (reactant) to ADP and inorganic phosphate…

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Q: reaction: NaHCO3(aq)  +  HCl(aq)   ®   NaCl(aq)  +  CO2(g)  +  H2O(l) How would your results be…

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Q: | 1) Ph3P 2) nBuLi 3) 。

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Q: Write the empirical formula of at least four binary ionic compounds that could be formed from the…

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Q: Give the name of each of the indicated functional groups in the molecule below. L OH:

A: We have to name the indicated functional groups.

Q: What mass of compound is present in 6.10 mol of each of the following compounds? Mass =  g…

A: Given Number of moles = 6.10 Molecular Mass of Ca3(PO4)2 = 310.18 gram/mol Molecular mass of Na2HPO4…

Q: 0.104 moles of the compound XY, has a mass of 6.663 grams. What is the molar mass of this compound?…

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Q: In which of the following ions does carbon have a formal charge? Explain your answer. A) I B) II…

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Q: Complete the table below for calculating the formula weight of the ionic compound aluminum sulfite,…

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Q: 19. How best describes isotopes?     20. Who discovered lectrons?

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Q: H-N: OC. aniline Na O D. sodium 2,4-dichlorophenoxide E sodium fluoroacetate (+ N: Na NH₂ :CI: 10:0-…

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Q: . A mass of 8.85g N2 H4 (g) reacts with 24.31 g of oxigen. If 16.2g NO2 (g) is collected, what is…

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Q: Pre-Lab Questions- To be completed BEFORE lab as an entry slip. These questions are based on content…

A: Electromagnetic spectrum is the arrangement of radiation in either increasing order of their…

Q: Write the safety precautions for each chemical Dry ice Chloroform-D Limonene

A: We have to write the safety precautions of  Dry ice  , Chloroform D and Limonene  Note: According to…

Q: Acetaminophen, in amounts greater than 4 g per day, has been associated with liver toxicity. What is…

A: It is given that maximum amount of acetaminophen is 4 g per day . So using the given mass of…

Q: How many grams of sodium carbonat contain 1.773E17 carbon atoms?

A: Here we are required to find  grams of sodium carbonate contain 1.773 ×1017 carbon atoms

Q: According to the following reaction, how many grams of water are required for the complete reaction…

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Q: Determine the neutral formula unit for the compound formed from the ions NH and CO2-. formula unit:

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Q: The nonvolatile, nonelectrolyte sucrose, C12H22011 (342.3 g/mol), is soluble in water, H₂O.…

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Q: Suppose a 0.042 M aqueous solution of sulfuric acid (H2SO4) is prepared. Calculate the equilibirum…

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Q: Calculate the numbers of moles of O2 and H₂O that are required to react completely with 1.95 mol Fe…

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Q: A     student     carried     out     the     reaction     below     starting     with     1.993…

A: Given- Initial amount of compound =1.993 g  Amount of CO2=0.593 gram  X2CO3 +2HCl ->2XCl +H2O+CO2…

Q: Metal X has an edge length of 4.1303 Å and a diameter of 2.92 Å. Assume that there is one atom per…

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Q: . 67 grams of NaOH (strong base, MM 40 g/mol) are reacted with an excess of HCL ( strong acid, MM…

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Group 14 Elements

The following elements come under group 14 of the periodic table.