The radius of a strontium atom is 215 pm How many strontium atoms would have to be laid side by side to span a distance of 1.65 mm?

Q: What is the structure of A and B? M. A= A= A= A= Un.. Himos וווווו OH Br Br Br PB13 Pyridine Br B=…

A: Given reaction is an example of nucleophilic substitution reaction via the SN2  type reaction.

Q: What is the expected product of the reaction shown? и НО OCH3 OI O II O III OIV O none of these H3CO…

A: Given is organic reaction.The given reactant is epoxide.The given reaction is epoxide ring opening…

Q: A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100.-g sample of this…

A: The objective of this question is to determine the empirical formula of a compound given the…

Q: 2-Consider the following Indicator equilibrium: +In (aq) blue HIn(aq) colourless If HCI acid is…

A: Hydrochloric acid is an aqueous solution of hydrogen chloride, sometimes referred to as spirits of…

Q: At what average rate would heat have to be removed from 2 L of liquid in order to reduce its…

A: The objective of the question was to calculate the average rate of heat removal.Givenchange in the…

Q: Which of the following is the correct condensed structure for the following compound? HHH HHH H с…

A: Given is the structure of the compound whose condensed structure is to be written.

Q: 4. 5. 6. H₂C H₂C H₂ =0 H₂ ol CN DIBAL 1 eq NaBH4 Br Synthesize the compound below starting from…

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: 16. From the list below, pick the compound that does not react with acetyl chloride. H3C- H₂C A OH…

A: The acetyl chloride contains an electrophilic carbon of C=O, hence, it reacts with the nucleophiles…

Q: Question #2 Calculate the amount of heat produced when 2.318 L of liquid acetonitrile (C₂H3N) is…

A: 4C2H3N(l) + 11O2(g)  ----->  8CO2(g) + 6H2O(g) + 2N2(g)    ∆H = -4989 kJDensity of liquid…

Q: Choose one or more: A. stereoisomers B. linkage isomers C. enantiomers D. identical E. chiral

A: Stereoisomers : isomers those have different arrengement in 3D space but have same bonding…

Q: The 1H NMR spectrum in the figure corresponds to which of the substances indicated? (1).…

A:

Q: Draw the endo and exo products. Simply draw by hand and upload the image as a file attachment. H₂C…

A: Given that, the reaction is:

Q: Identify the diene and dienophile used to make these Diel-Alder products. b. CN a. CH3 CH3 CO₂CH3…

A: Diene reacts with dienophile form adduct (addition product) is known as Diel-Alder reaction.

Q: Macmillan Learning What is the daughter nucleus (nuclide) produced when 217 At undergoes alpha…

A: Given daughter nucleus (nuclide) produced  217At .We need to write the name of daughter nucleus…

Q: ▼ MILIT Which molecule is more soluble in water? H : CI-C CI H dichloromethane O carbon…

A: Water is a polar solvent. It readily dissolves polar compounds such as acetic acid and hydrochloric…

Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. O₂N NaOCH 3 Drawing NO₂…

A: Aryl halides undergo nucleophilic substitution reactions.The presence of electron withdrawing group…

Q: Identify the Major and ALL Minor product(s) that are expected for each of the following reactions.…

A:

Q: Draw all 8 products of the reaction below and show mechanisms for their formation. HBr four pairs of…

A: This is an example of electrophilic addition reaction to conjugated diene

Q: A 0.820 m aqueous solution of KBr has a total mass of 82.0 g. What masses of solute and solvent are…

A: molality of KBr(m) = 0.820 mmolar mass of KBr = 119.00 g/molmass of KBr =?mass of water i.e. solvent…

Q: d. OH (Racemic)

A: A stepwise explanation of the epoxide ring opening reaction by LiAlH4:1. Nucleophilic Attack: In the…

Q: 4- A solution containing 50.0 mL of 0.100 M EDTA buffered to a pH of 10.00 (¤ÈDTù at pH 10 is…

A: The objective of the question is to calculate the formation constant (Kf) for the complex ion…

Q: Propose a synthesis for the following product from the starting material(s) indicated. Show all…

A: To find out the synthetic route using retrosynthetic analysis

Q: An analytical chemist is titrating 160.9mL of a 0.6300M solution of ethylamine C2H5NH2 with a…

A:

Q: 5. Draw all possible conjugate bases: O For NH₂ a. b. 6. Draw all possible conjugate acids: a. 1+ b.…

A: A conjugate base is a substance formed when an acid loses a proton. When an acid, represented as HA,…

Q: The PREDOMINANT INTERMOLECULAR FORCE existing between a H₂O molecule and a CH₂Cl molecule is a) H…

A: The forces which are acting between the atoms and molecules either attractive or repulsive is known…

Q: 17.3 g of an unknown metal cools from 42 \deg C to 23 \deg C and loses 223.5 J of heat. What is the…

A: The mass of the unknown metal =17.3 g The initial temperature = The final temperature = The heat…

Q: a The 2 hydrogens are gauche to one another Select an answer and submit. For keyboard navigation,…

A: To find out the correct statement regarding the conformation of given structure

Q: In part A.3. as the sample cools, moisture from the atmosphere condenses on the outside of the…

A: In the process described, an evaporating dish containing a water sample is left to cool, during…

Q: An aqueous solution contains 13.9 % NaCl by mass. What mass of water (in grams) is contained in 3.0…

A:

Q: 3. Predict the products of the following Diels-Alder reactions. a. b. NC CN

A: Since you asked multiple questions so as per q&A guidelines of portal I answered first question…

Q: Draw the organic product of the Bronsted acid-base reaction between the compounds shown below.…

A: Given,The reaction is:

Q: What is the MOLAR concentration of a 15.0% (by mass) K₂CO3 aqueous solution which has a density of…

A:

Q: Morphine is a strong painkiller. It's used to treat severe pain, for example after an operation or a…

A:

Q: :Br H... I :O:

A: -> In the given question there occur intramolecular nucleophilic substitution reaction and…

Q: Determine the pH of a solution if [OH --] = 0.040 M. Compute the [H ++] of a solution when pOH…

A: The pH and pOH can be related by the formula:The formula to calculate pOH and pH are given below.The…

Q: The glass electrode used in commercial pH meters gives an electrical response proportional to the…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: Magnetically equivalent protons give a single signal in 1H-NMR. How many signals will be observed in…

A:

Q: 7. Provide a mechanism for the following reaction. Draw a potential energy coordinate diagram to…

A: Thermodynamic product: Product which has higher stabilityKinetic product: Product which has lower…

Q: The chemical environment of carbons can be deduced form their chemical shifts. Deduce the relative…

A: Each unique carbon in a compound produces a signal in CNMR spectra.The value of the signal depends…

Q: What is the boiling point of a mixture composed of 55.1 g HOCH2CH3 and 399 g H2O? For H2O, Kb =…

A:

Q: 3. Provide a retrosynthesis and a complete forward synthesis for the target molecule (TM) below…

A:

Q: At a certain temperature, 0.760 mol SO, is placed in a 2.50 L container. 2 SO3(g) 2 SO₂(g) + O₂(g)…

A: Given equilibrium reaction:2SO3(g) <=> 2SO2(g) + O2(g) Given:Initial concentration of SO3   =…

Q: (a) Draw a splitting diagram for HA.  (b)  Indicate the expected splitting pattern. (c) Predict the…

A:

Q: Problem: Perform a conformational analysis 2-bromo-3-methylbutane, looking down the C2- C3 bond. Pay…

A: A question based on stereochemistry. For 2-bromo-2-methylbutan,conformational analysis is to be…

Q: 10 Compound Ⓒ has molecular formula C6H1₂02. Which one of the following structures is consistent…

A:

Q: 7. a) For the following synthetic route, Draw the product and reagent structures for A-G. Problem…

A: The reagents and intermediate products formed in the given sequence of reaction are given below.

Q: . Complete the electron configuration for N. electron configuration: [He] BIU X2 x²

A: The objective of the question is to complete the electron configuration for Nitrogen (N). The given…

Q: A compound is 80.0% carbon and 20.0% hydrogen by mass. Assume a 100 g sample of this compound. How…

A: The question is asking us to determine the mass of carbon and hydrogen in a 100 g sample of a…

Q: How many moles of C (to two decimal places) are found in 6.87 x 1024 C atoms?

A: Given,The number of carbon (C) atoms = 6.87 x 1024  C atoms.

Q: What is the XNaOH in an aqueous solution prepared by dissolving 8.00 g of NaOH in 100.0 g of H₂O?…

A: The formula for the mole fraction of NaOH is

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.