What would be the ¹4C activity in a 2500-year old wooden object? Assume that the ¹4C activity of an equal mass of fresh-cut wood is 13.5 disintegration per second. disintegrations per second

Q: How many mL of 0.2 M HCl(aq) are needed to neutralize a 120 mL solution of 1.4 M Ba(OH)2?

A: Given :-  Molarity of HCl = 0.2 M = 0.2 mol/L  Volume of of Ca(OH)2 = 120 mL = 0.120 L  Molarity of…

Q: If a gas is measured to be 793.7 mL, what would the volume be in L?

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Q: What volume in milliliters of 0.100 M HCIO3 is required to neutralize 40.0 mL of 0.130 M KOH?

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Q: Which one is more efficient, a galvanic cell made up of 0.1 M Cu(NO3)2 and Zn (NO3)2 as electrolytes…

A: Please find the below attachment.

Q: A solution contains 9.89x10-3 M magnesium nitrate and 1.34x10-2 M iron(III) acetate. Solid potassium…

A: Here when KOH is added to the solution  containing  9.89×10-3 M  of Mg2+ and 1.34 ×10--2M of Fe+3…

Q: Formula Total valence e- (show calc) CF4 NHBr₂ (N is central) POCI3 CSe₂ Structure Total electron…

A: Total valence electrons  Structure  Total electron groups Geometry (shape) Angle Polarity

Q: 1. Draw the major product of the following reaction. 2. Draw the major product of the following…

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Q: Calculate the heat capacity at constant pressure of methane for all its contribution and the total…

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Q: Consider the reaction: C(s) + O₂(g) → CO₂(g) Given an initial mass of 11.3 g C, an excess of O2, and…

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Q: (a) Calculate the concentration of the hydroxide ion (in M) of the compound. Express your answer in…

A: pH is the measurement of the extent of acidity or basicity of a solution. Acids have a pH < 7,…

Q: How much heat is released when 105g of gas phase water at 100 degrees Celsius is cooled to ice at…

A: Given, mass of gas phase water = 105 g

Q: What is the major product obtained from the following reaction sequence? I OIV OV огон оон сон OI…

A: This reaction is proceed by radical mechanism in first step which produced an alkene . In next step…

Q: 0.800 mol of SO3g as placed in a 1.50 L reaction vessel and underwent the reaction shown below: 2…

A: Given -> Mole of SO3(g) = 0.800 mole  Volume= 1.50 L  At equilibrium mole of O2(g) = 0.140 mole…

Q: 1. Spectrometry involves measurement of a) interactions between light and matter b) wave behavior of…

A: The correct options of the MCQ questions are given below-

Q: Which of the compounds shown below would be the major organic product of the set of reactions shown?

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Q: A saturated solution of the hypothetical salt, MA2, has an initial salt concentration of 0.00037 M.…

A: Given salt is MA2 .  We have to calculate Ksp of salt MA2 .

Q: The mass of one mole of helium is 4.00 g. How many atoms of helium are present in the sample? Let us…

A: Answer: Avogadro number suggests that number of particles present in 1 mole sample of a compound are…

Q: Draw the organic product formed from each reaction below. a) b) C) H₂N o ملن Ph H* OH (Boc)₂0 Et₂N…

A: first reaction involve esterification or protection of carboxylic acid. Second reaction involve…

Q: Draw three different resonance structures of chlorate, CIO,? Explain which one would be the most…

A: Chlorate ion , ClO3- has eight different Lewis structures . Out of these eight only three structures…

Q: Calculate the wavelength (in nanometers) of light with energy 1.89 × 10–20 J per photon. (b) For…

A: For part (a) we have to find the wavelength in nanometers of light with energy 1.89 × 10–20 J per…

Q: Question 12 of 12 The pOH of 0.0140 M solution of Sr(OH)2 is

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Q: The three-dimensional structure of a generic molecule is given. Identify the axial and equatorial…

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Q: How many mL of 0.15 M HCl(aq) are needed to neutralize a 249.5 mL solution of 1.1 M NaOH?

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Q: Given that Kw = a,о+ªон = 1.0 × 10-14, find [H3O+] in 0.050 M LiBr 25°C. How does that differ from…

A: Activity and concentration are two different terms. Activity of an ion is defined as its effective…

Q: Write the cell notation for an electrochemical cell consisting of an anode where Cr (s) is oxidized…

A: Representation of a galvanic cell (Cell notation) i.Galvanic cell consists of two electrodes, anode…

Q: For the electrochemical cell Al(s) + 3 Mn²+ (aq) → 2 Al³+ (aq) + 3 Mn(s) (E° = 0.48 V, [A1³*] = 1.0…

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Q: What mass of silver bromide will disolve in 1.70 L of a 0.10 M NaBr (aq) solution at 25 °C? The Ksp…

A: Mass of silver bromide dissolved can be figure out from the solubility of bromide in NaBr solution.

Q: What is the [H3O*], [SO32], and pH of 0.054 M H₂SO3? (Kat = 1.54 x 102, Ka2 = 1.02 x 107) A. [H3O*]…

A: H2SO3 is a weak diprotic acid. One mole of H2SO3 can liberate 2 H+ ions. The 1st dissociation…

Q: 16.30 Draw structural formulas for the hemiacetal and then the acetal formed from each pair of…

A: Here we are required to hemiacetal and acetal formed during the reaction.

Q: Which of the following reaction is a precipitation reaction? O2 AgNO3 (aq) + K₂CO3 (aq) -______->…

A: We are provided with two set of reagents and we need to predict whether the reaction is…

Q: Given: Volume of Ca(OH)2 (mL) Initial burette reading (mL) Final burette reading (mL) Volume of HCl…

A: This question belongs to the titration of Ca(OH)2 and HCl.  3 trials are done and volume is…

Q: OCH3 ? 0 0 OCH 3 A NaH B NaOH C NaOCH 3 D NaOCH₂CH3

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Q: If a gas is measured to be 527 kPa, what would the pressure be in atm? (Don't lose any sig figs!!)…

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Q: ompound X has a molar mass of 316.25 g mol and the following composition: -1 element phosphorus…

A: Let 100 gram of compound

Q: If acidified potassium dichromate(VI) (K2Cr207) acts as oxidizing agent, color changes from orange…

A: Potassium Dichromate (K2Cr2O7) is an orange to the red colored inorganic compound. In the presence…

Q: A certain weak base has a Kt of 7.00 x 10-7. What concentration of this base will produce a pH of…

A: Here we are required to find the concentration of the weak base

Q: Which statement about a voltaic cell is not correct? O The cell voltage measured with a voltmeter is…

A: Here we have to predict the incorrect statements from the following given statements for a Galvanic…

Q: Molecule Shapes Simulation Go to the PhET simulation site and open the following:…

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Q: Balance redox reactions in acidic solution. Balance the reaction between Mg and NiO₂ to form Mg2+…

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Q: Question 17 Which salt would be the most soluble in an acidic solution? O Pbl₂ O PbCl₂ O Fe(OH)2 O…

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Q: The IR spectrum for the following compound was run, label all the peaks and their corresponding…

A: IR spectroscopy is mainly used for the identification of the functional group present in the…

Q: Try Again Your answer is incorrect. • Left table: Your answer is incorrect. • Right table: Two of…

A: The given problem is based on the concept of ionization energy.

Q: Describe the relationship between the bonding energy and bond length between two atoms or compounds.…

A: There are two questions given.  The answers are given below -

Q: Determine the AH° for the reaction shown below using standard heat of formation values from your…

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Q: Consider the unbalanced chemical equation. H2O(l)−→−−−−−−−−electrical…

A: Given, Unbalanced equation :   H2O(I) →electric currentH2(g) +O2(g)

Q: list all of the elements that exhibit properties most similar to those of sodium? give the elemental…

A: Properties of the element depends on the electronic configuration of the element. All the elements…

Q: How many atoms are there in 30.1 g of magnesium

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: Figure A and Figure B represent examples of different types of chemical bonding. Identify the…

A: Ionic bond: These bonds are formed by the transfer of electrons from one atom to another.  Covalent…

Q: The concentration of Sa* in a solution is determined by titration with a 0.1686 M Ce+ solution. The…

A: We will have to first calculate millimoles of Ce4+ present. From that we can calculate how many…

Q: Balance redox reactions in basic solution. Balance the reaction between F and HgO to form Hg and F2…

A: The given unbalanced redox reaction is: F-+HgO→Hg+F2