after 55 years what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a half life of 10.0 years

Q: 0 NaOH + 0 H₂SO4 O H₂O + O Na₂SO4

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Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the…

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Q: Mercury(II) oxide decomposes according to the reaction below. 2HgO(s) → 2Hg(1) + O2(g) What volume…

A: Given: Mass of HgO = 150.0 g Pressure = 225 torr Temperature = 22.0oC R= 0.0821 L*atmK*mol Known:…

Q: What is the potential of a non-standard condition galvanic cell formed by an Al electrode in a 1M…

A: A galvanic cell is a type of electrochemical cell that uses a spontaneous redox reaction to generate…

Q: You carry out the reaction represented by the following equation: N₂(g) + 3H₂(g) 2NH3(g) You add an…

A: Bartleby does not provide handwritten solutions, so providing you with a typed solution.   Given,…

Q: Write "most" under the compound which will react with Cl₂/FeCl3 most easily. Write "least" under the…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: If you measured the rotation of a compound at 4.050 in a cell that is 0.35 dm in length. And your…

A: The information given is The optical rotation of a compound = 4.05 ° Length of the cell = 0.35 dm…

Q: Name the compound shown below. O 1,1-dimethyl-3,4-hexadiene O 4,4-dimethyl-1,5-hexadiene…

A: Question 30: We have to give the IUPAC name of the given compound. Question 31: We have to give the…

Q: Propose an efficient synthesis for the following compound using the malonic ester synthesis: Eto A.…

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Q: 6 Draw the structure of (S) 5-prope 2. Give the IUPAC name of this compound: HOCH₂C=CCH₂COH Dra

A: According to IUPAC nomenclature first we have to select the longest chain of carbon atom and this is…

Q: If a mixture of Glu (pI=3.22) and Arg (pI=10.76) is passed through a cation exchange column at…

A: Given that,  The isoelectric point of Glu is 3.22. And the isoelectric point of Arg is 10.76. We…

Q: n-Butylamine is made by reaction of O cyanide, followed by reduction with lithium aluminum hydride.…

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Q: [References The following alkene is treated with one equivalent of N-Bromosuccinimide in…

A: N-Bromosuccinimide or NBS is a chemical reagent used in radical substitution, electrophilic…

Q: 8.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

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Q: 5. What functional group is found in the bond formed when amino acids link together to form a…

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Q: Consider the reaction shown below between hydroxide ions (OH), hypochlorite ions (CIO), and chromium…

A: Oxidation: Increase in positive oxidation state or decrease in negative oxidation state Reduction:…

Q: The binding energy per nucleon of carbon-12 (nuclear mass, 11.996708 amu) is ____________.

A: Here the concept used is taken from  atomic chemistry.  Here we have to find binding energy per…

Q: Write "most" under the hydrogen(s) which is/are most acidic. Write "least" under the hydrogen(s)…

A: It is clear why carboxylic acids are more acidic than phenols as a compound. Two analogous resonance…

Q: According to Le Chatelier’s Principle, does the following reaction shift towards reactants, towards…

A: Answer:- This question is answered by using the simple concept of Le Chatelier principle which…

Q: Q8. Fill in the boxes with the missing reagents lote: the "I" in the middle top compound is iodine.…

A: Alkanes are less reactive in nature therefore they mainly gives substitution reaction. Alkyl halide…

Q: Which compound (if any) is most likely to undergo SN2? CH3 CH3CH₂CH₂CI H₂C-C-CI CH3 the compound in…

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Q: How many moles of NaOH are needed to neutralize 15.0 mL of 0.235 M HCI solution? 4 O 2.35 x 101…

A: Aqueous hydrochloric acid reacts with solid sodium hydroxide to form aqueous sodium chloride and…

Q: 1 A M Question 16 CH3 Assign the stereochemistry as R or S.

A: RS nomenclature: The RS nomenclature is an important nomenclature system for denoting the…

Q: Alcohols (R-OH) react with aqueous acid (ex. H2SO4/H2O). In the process, the O of the alcohol is…

A: SN1 nucleophilic substitution unimolecular reaction and mixture of inversion and retension products…

Q: please draw the most stable conformer of cis-1-ethyl-2-methylcyclohexane as a Newman projection.

A: By observing the C6-C5 and C2-C3 bonds of the aforementioned boat conformation, the Newman…

Q: Which of the two compounds shown is more polar? Which of the two compounds would have the highest…

A: TLC- Thin layer Chromatography. It is useful checking progress of organic reaction

Q: How many alpha hydrogens does 2-methylcyclohexanone have? 0 1 2 3 4

A: The carbon adjacent to the carbonyl carbon is known as the alpha carbon and the hydrogen that is…

Q: Consider the following Infrared spectrum. What functional group can you identify in the diagnostic…

A: IR spectra identify the structure of molecule of based on the stretching frequency of bonds. Each…

Q: Calculate the energy of a photon of visible light with a wavelength of 716 nm. J Calculate the…

A: Given : wavelength= 716 nm  Tip energy = hc÷lamda

Q: What is the product of this Aldol addition reaction

A: A question based on introduction to organic chemistry. Two organic structures are prescribed for…

Q: Steady flow work of -35 kJ/kg and heat transfer of -23 KJ/kg has a change in enthalpy by:

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Q: Given the reaction and data below: BrO3(aq) + 51(aq) + 6 H(aq) > 3 12 (aq) + 3 H₂0 (1)

A: Given Data: To determine: a) The Rate law for the reaction. b) The rate constant of the reaction.…

Q: Consider the following fatty and _ů _! Myric Acid CH3-(CH₂) 12 CH3 - (CM₂)4…

A: Melting point and boiling point of saturated fatty acids is higher in compare to that of unsaturated…

Q: Consider the following fatty acids: 0 CH3-(CH2) 12-C-OH Myristic Acid…

A: With increasing the number of carbons in saturated fatty acid molecules, dispersion force among…

Q: FART IL SHOKE ANSWERS QUESTIO No he flowing decades 1813) (9 1) CL-CH-CH-CH-CH-CH-CH CH 2)…

A: IUPAC - international  union of pure and applied chemistry.

Q: Write the balanced net ionic equation for the reaction of Cl- and AgNO3. Explain, in your own words,…

A: We have find out the answer.

Q: An optically active compound (A) C6H10 reacts with H2 Pd/C to produce compound (B) C6H14 (B) is…

A: Compound A is optically active and have General Formula C6H10 .  Compound B is optically inactive…

Q: The reaction 2H₂O₂ 2H₂O + O₂ has the following pathway: H₂O₂ + H₂O +10 H₂O₂ +10 H₂O+O₂ +1 The…

A: Given : reaction

Q: what intermolecular forces are present in a pure sample of ethanol?

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Q: The name of the compound with a formula containing two atoms of nitrogen and four atoms of fluorine…

A: The formula of the compound containing two nitrogen atoms and four fluorine atoms is N2F4.

Q: How much energy is needed to convert 59.5 grams of ice at 0.00 °C to water at 60.9 °CT specific heat…

A: Here, we have to find the amount of heat that is needed to convert 59.5 g of ice at 0.00 oC to water…

Q: A soda ash sample was contaminated with NaOH. It was made up of 0.00069 moles of NaOH and 0.00115…

A: To calculate the expected volumes of Vphth and Vmo for a soda ash sample consisting of 0.00069 moles…

Q: Consider the equilibrium shown here: CaCO3(s) C¥0 + CÓ, What would happen to the system if the total…

A: Le Chatelier's principle states that if the equilibrium is disturbed by any factor then the…

Q: a) Identify which structure below is the Glycerphospholipid and which is the Sphingomyelin (Please…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: Show how to bring about the following transformation.

A: A question based on ether synthesis. An aralkyl halide is prescribed for which the corresponding…

Q: How many grams of NaCl are present in 350 mL of a 0.277 M solution of sodium chloride?

A:

Q: 1. 2. 3. 4. CI x Br + Na+OH™ Br 80 °C H₂O + (C₂H5) 3N + CH₂O¯ Na+ + Na+ OH- 30 °C CH₂Cl2 methanol…

A: This question is based on reaction of alkyl halide.

Q: why is the boiling point of Br2 higher than that of Cl2?

A:

Q: Using 2-methyloxirane and 1-bromopropane as our sources of carbon, which of the reagents below will…

A: In the given reaction 2-methyloxirane reacts with 1-bromopropane to forms a ketone.

Q: Write the balanced equation for the dissolving of PbCl₂(s) in water.

A: • We need to write the balanced equation for the dissolving of PbCl2(s) in water.