The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to span a distance of 1.30 mm? atoms

Q: For the reaction shown, find the limiting reactant for each of the following initial amounts of…

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Q: What is the mass in grams of 5.18x102 mol H₂SO₂? What is the number of moles in 4.95 g H₂SO₂? 2 3…

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Q: For the reaction 4Cr(s)+3O2(g)→2Cr2O3(s) calculate how many grams of the product form when 21.4 gg…

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Q: Question 2: What is the preferred IUPAC name of the compound in Figure 2? [Numbers are separated by…

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Q: Part 1: Which atoms of which elements has the following electron configuration (using the orbital…

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Q: NH₂ CHO + ပုံ-ပုံ OH OC2H25 4-aminophenol Acetic Acid EtOH 4-(dodecyloxy)benzaldehyde PC12CHO…

A: We have to give the mechanism of the given reaction. Concept: Here in the given reaction,…

Q: Using the Nernst Equation, determine if the reaction in question 10 is spontaneous at 20 °C with…

A: For a reaction to be spontaneous, the value of cell potential (Ecell) should be negative. And the…

Q: How many moles of atoms are in each elemental sample? 2.21×10−2 g Li

A: An atom consists of protons, electrons, and neutrons. Protons are positively charged species and…

Q: CI H-CI b) CI

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Q: a.draw a wedge and dashed wedge structure (picture) of CH3Cl that best illustrates the geometry…

A: To draw the dashed wedge structure of CH3Cl.

Q: Calculate the frequency of a light with a wavelength of 576 nm. Give your answer to 3 sig figs.…

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Q: In this display, organic molecules that are self-illuminating are employed, doing away with the need…

A: Answer: An organic LED(Light Emitting Diode) that are self-illuminating  are employed,doing away…

Q: Which compound will you precipitate from solution by adding HCI? Benzoic acid Odiethyl ether…

A: We have to find Which compound forms precipitate from solution by adding HCI

Q: Ascorbic acid (H₂CH₂O) is a diprotic acid. The acid dissocation constants for H₂CH₂O are Kal = 8.00…

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Q: Aluminum reacts with gaseous oxygen to form solid aluminum (III)(III) oxide. Write a balanced…

A: Balanced equation can be defined as the equation  In which equal number of atoms of each and every…

Q: Among CH₃CH₂CH₂NH₂, N(CH₃)₃, CH₃CH₂CH₂CH₂CH₂NH₂, which will have the highest heat of vaporization?

A: Heat of vaporization is the amount of heat that must be added to a liquid so that it can be…

Q: The following are ways of preventing iron rust except? a. Galvanizing b. cathodic protection c. all…

A: Here we have to predict whether the following processes are used for preventing rusting of iron or…

Q: Calculate the de Broglie wavelength of a 142 g ball traveling at 42.36 m/s. Assume the ball can be…

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Q: You find a penny with a mass of 2.50 g and a volume of 0.266 cm3. Is this penny pure copper? (The…

A: Answer: Given data: m=2.50gV=0.266cm3dcopper=8.96g/cm3

Q: For each of the following precipitation reactions, calculate how many grams of the first reactant…

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Q: 0 ОН

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Q: Calculate the molarity of the two solutions. The first solution contains 0.300 mol of NaOH in 2.95 L…

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Q: True or False: The process of cooling down is endothermic, and therefore, requires heat.

A: we have to determine if the given statement is true or false

Q: Water is added to 68.0 mL of a 1.50 M solution to give a volume of 218 mL. 109 mL is taken from that…

A: Given, Concentration of stock solution (M1)=1.50 M Volume of stock solution (V1)=68.0 mL Volume of…

Q: If the area of one tile is measured to be 1.07 ft2, how many tiles do you need to redo the floor of…

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Q: NAMING AROMATIC OR CYCLIC COMPOUNDS ANSWER DIRECTLY. 2. 3. 5. 6. он NH₂ CH, NO₂ -OH 7. Co 9. 10. Br…

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Q: 2. Three experiments were completed for the following reaction. 2NO(g) + O2(g) → 2NO2(g) The…

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Q: Order the acids based on their strength, with the weakest on the left and the strongest on the…

A: To order the acids based on their strength, with the weakest on the left and the strongest on the…

Q: (c) Does A commute with H? Explain. (2-45 An operator A has only four eigenfunctions , (i = 1, 2, 3,…

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Q: Name: 9. A multi-step reaction is thought to have the following balanced, elementary steps: A+B C +…

A: The order of the reaction is defined as the sum of the exponents of the concentration terms in the…

Q: Treatment of a 0.2500-g sample of impure potassium chloride, KCl (74.551 g/mol) with an excess of…

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Q: Sulfurous acid (H₂SO3) is a diprotic acid with Kal = 1.39 x 10-2 and K₁2 = 6.73 x 10-8. Determine…

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Q: How many carbon atoms are in 3.47 g of aspirin (C,H₂O)? C atoms

A: Given -> Weight of aspirin= 3.47 gm  Molecular formula of aspirin= C9H8O4

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

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Q: Draw the Citric acid cycle pathway, then identify and label the different types of organic reaction…

A: To draw the citric acid cycle pathway and identify the different types of organic reaction taking…

Q: ARUMATT 14.18 Which of the following molecules would you expect to be aromatic? (g) (e) (f) e (k)

A: We have given molecules and we have to tell which molecule is aromatic.Given molecules are organic…

Q: How  do I solve: How many moles of sodium metal are needed to make 3.6 moles of sodium chloride?…

A: Given the reaction:    2Na+Cl2 to produce 2NaCl We have to find the number of moles of sodium metal…

Q: name the following compounds with name

A: In this question, we have to name the given compounds.

Q: For each process below, state whether the entropy produced (ASp), the entropy ansferred (AS), and…

A: Entropy is the measure of randomness or disorder. a)  Here,  ∆Sp>0,     ∆St =0 and q = 0 , This…

Q: Add curved arrow(s) to draw step 4 of the mechanism. Modify the given drawing of the product as…

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Q: During a freezing point depression experiment to determine the molar mass of an unknown solute…

A: Mass of test tube + beaker + stir bar+solvent = 30.48 g = a1 Mass of test tube+ beaker+ stir bar +…

Q: Write a balanced chemical equation for each of the following. Gaseous carbon monoxide reacts with…

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Q: Consider the following reaction. 3BaBr, (aq) + 2Li,PO (aq) →Ba,(PO), (s) + 6 LiBr (aq) If 1.35 mol…

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Q: absolute configurations of the two stereogenic centres (i) and (ii) in the structure below…

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Q: Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum…

A: All the answers to the given questions have been discussed with the detail explanation and step by…

Q: Calculate the molarity of 93.3 g of sodium chloride in 93.4 mL of solution.

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Q: Propoase a plausible mechanism for the following transformation: HO H [H3O*] EtOH

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Q: I: H₂S(aq) + Cl(aq) HCl(aq) + HS (aq) II: NH4 (aq) + HCO3(aq) H₂CO3(aq) + NH3(aq) A) Only I B) Only…

A: Given reactions are :  I : H2S (aq) + Cl- (aq) <--------> HCl (aq) + HS- (aq)  II. NH4+ (aq) +…

Q: What is the second most abundant species of ethylenediamine at pH 9.250? O H₂NCH₂CH₂NH₂ O HNCH,CH,NH…

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Q: How many molecules are in each sample? 4.5 g H2O Express your answer using two significant figures.

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.