When 800. mL of 8.50 M HBr is diluted to 500. mL, the final concentration is ________.Express your answer with 3 significan

Q: How many mL of 0.500 M NaOH are needed to titrate 37 mL of .250M H2SO4?

A: The volume of the H2SO4 solution, VH2SO4 = 37 mLThe molarity of the H2SO4 solution, MH2SO4 = 0.250…

Q: 9F. Sketch the pi orbital overlap in the following molecules. (a) [OCN]- (one sketch each for 3…

A: To draw the pi-orbital overlap of the given molecules:a) OCN-b) CH2=CH-CH=CH2

Q: Which would be the best method for converting A into B? A) H3O+, heat B BH3: THF; then H₂O2, OH C)…

A: Introduction : This conversion follows Markovnikov rule :- which states that addition of protic acid…

Q: Which of the following terms best describes the relative position of two hydrogen atoms represented…

A: Anti : If two adjacent substituents in a 3D representation of ethane are on opposite planes, they…

Q: A sample containing NaCl, Na₂ SO4, and NaNO3 gives the following elemental analysis: Na: 34.695…

A: Mass percent, also known as percent by mass or weight percent, is a measure of the concentration of…

Q: What is the stereochemical relationship between the following molecules (i.e-diastereomers,…

A:

Q: Provide the correct IUPAC name for the compound shown here. LOH

A: IUPAC nomenclature - is based on systematic naming of a compound including functional group and…

Q: Which of the following molecules will be most polarizable? C₂H₂Br2 CH3F C₂HBr3 CH₂F2

A: if individual bond dipoles cancel out each other molecule is said to be non-polar.If individual bond…

Q: 1. Identify the mechanism in the following reactions. Which is a faster reaction? Explain…

A: The given reactions are shown below.We have to determine which one is faster.

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 5.00 °C is -76.7 kJ.…

A:

Q: 5 NH 1) КОН 2) Br. Brion 3) NaOCH₂ CH3 4) C6H5 (H ₂ Br 5) dilute H₂SO4, heat

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

Q: Calculate the standard enthalpy change for the reaction 2A+B2C+2D where the heats of formation are…

A: It is given that for a reaction:The enthalpy of formation of A = -253 kJ/molThe enthalpy of…

Q: Which of the following statements describes the relationship of the two drawings below? CIV OH₂ CI…

A: Given that complexes show stereoisomerism in complex compoundsthese are optically inactive…

Q: ▶ ▼ 2NH3 (g) → N2 H4 (g) + H₂ (g) Express your answer to one decimal place. AHxn 187.2 kJ Submit…

A:

Q: CF 3- Celecoxib -SO₂NH2 Do the following synthesis reactions. ŞO₂NH2 NHNH2 A +

A: Information of question

Q: What is the product when [PtL4]2+ reacts with 2 Y ligands? L has weaker trans effec strength than Y.…

A: Solution: Given a complex [PtL4]2+ reacts with 2 Y ligands. The trans effect of L is weaker than…

Q: Use the References to access important values if needed for this question. Which ones of the…

A: Oxidation is defined as increase in oxidation state of the element.It can also be defined as…

Q: Consider the reaction. A(aq) 3 B(aq) If a 2.50 M sample of A is heated to 500 K, what is the…

A:

Q: Which of the following structures is consistent with the IR spectra shown below? % Transmittance 80…

A: Infrared spectroscopy is also known as vibrational spectroscopy. IR spectra is a representation of…

Q: What term best describes the relationship between the structures below? HO CI OH Identical…

A: The isomers that are converted into each other by rotation around a single bond are known as…

Q: Propose an efficient synthesis for the following transformation: OH o-ď The transformation above can…

A: The given incomplete reaction is Propose an efficient synthesis of the above reaction

Q: The mass percent of chloride anion in a seawater sample is determined by titrating 31.53 mL of…

A: Answer:Number of moles of a specie in a solution is always equal to its molar concentration and…

Q: Each of the following sets of quantum numbers is supposed to specify an orbital. Choose the one set…

A: For principal quantum number = n The permissable values of l = 0 to (n-1) For l, permissable values…

Q: Draw the products of this reaction. Use a dash or wedge bond to indicate the stereochemistry…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: From the total differential dG = V dP - S dT we get, at constant temperature, OP = (aG / ƏV)T OS =…

A: We have given the total differential equation. We have to find out the value at constant temperature…

Q: What term best describes the relationship between the structures below? Br CI Br Diastereomers…

A:

Q: Draw structural formulas for the major organic product(s) of the reaction shown below. OCH3 S +…

A: Friedel-Crafts Alkylation refers to the replacement of an aromatic proton with an alkyl group. This…

Q: Which solution will have the lowest freezing point? options: 0.25 m MgCl₂ 0.25 m NaCl 0.25 m HCl…

A: Which solution will have the lowest freezing point?

Q: Q2: Consider a binary solution for which the vapor pressure (in torr) of one of the components (say…

A: The objective of the question is to calculate the activity and activity coefficient.

Q: 12.13 a) Predict the products of the following reactions and draw mechanisms showing their…

A:

Q: 7. Provide the missing reagents and intermediates to complete the syntheses. -OH -OH 10 -OCH3

A: First reaction=> first HBr reagent is used and intermediate product is produced then second…

Q: The reversible reaction for the decomposition of hydrogen bromide (HBr) into hydrogen (H₂) and…

A: Predicting the extent of reaction :The magnitude of the equilibrium constant gives an idea relative…

Q: 1% 76- 70- 65- 60- 55- 50- 45- 40 35 30- 25- 20 18+ 4000 3686 3500 3365.1 3000 2928 2500 cm-1 2000…

A: In the given question we have to identify the functional groups from the given IR spectrum.The IR…

Q: Calculate the standard enthalpy of formation, AHfº(in kJ mol-¹), of solid MgO, given the following…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: What variable will you change in this experiment? This is also called the Independent variable. How…

A: In a scientific experiment three types of variables are present:Independent variable: the type of…

Q: Select the major product in the reaction shown Br Ol Oll OIV OCH₂CH3 NaOC₂H5 C₂H5OH MOCH₂CH3 11 IV

A: Alkyl halides when treated with sodium ethoxide, NaOC2H5 (base) undergo dehydrohalogenation reaction…

Q: What volume (in ml) of 0.0630 M H₂PO4 is needed to react completely with 27.01 mL of 0.170 M Ba(OH)2…

A: Given,The reaction:Molarity of  H3PO4 = 0.0630 MMolarity of Ba(OH)2 = 0.170 Mvolume of Ba(OH)2 =…

Q: SOLVE STEP BY STEP DONT USE CHAT GPT We have a Ti(II) solution with a concentration of 0.02 M and pH…

A: The objective of then question is to identify the solubility balance at the given .

Q: Which functional group is present in the molecule? H -CIH H н -CIH H-C-C-C-OH O н

A: Functional group is the group of atoms which is responsible for chemical and physical properties of…

Q: The following reaction is an example of a homogeneous equilibrium system 3C1O₂ (aq)2C1O, (aq) +…

A:

Q: 2. The investigation of the reaction represented by the equation: X (g) + Y (g) → Z (g), allowed to…

A: Given:Temperature = Rate constant = The Arrhenius equation describes the temperature dependence of…

Q: Consider the SF4 molecule that presents 5 vibrations in IR and 5 in Raman, considering the possible…

A: In the study of molecular structures and their vibrational properties, various spectroscopic…

Q: Complete following conversions: (a) Acetic acid to methylamine (b) Acetylene to aldehyde

A:

Q: d) e) H₂CN NH u of OH HOH H CH₂ 1. (CH₂)₂CHMgBr, ether 2. NH,C1, H,O CH₂OH Products Products Br N H…

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

Q: H Aadic frauunur > С о о

A: Firstly protonation will takes place followed by nucleophilic attack by oxygen.

Q: 3. What would be the rate constant for a first order reaction of 2H₂O₂ (1)→ 2H₂O (I) + O₂ (g) if the…

A: The concentration of hydrogen peroxide = 0.015 MThe rate of the reaction = The rate constant of the…

Q: Which one of the following structures corresponds to (Z)-3-methoxy-4-methylhex-3-ene? سلام مكره ye…

A: draw the strucure of (Z)-3-methoxy-4-methylhex-3-ene

Q: Which acid is the strongest when dissolved in water? K, values are listed next to the acid. Select…

A: According to Arrhenius concept,An acid is a substance i.e. when dissolved in water gives H+ ions .…

Q: What is the torsional angle between the two methyl groups in the conformation below: 60 90 180

A: Torsional angle or dihedral angle is the angle between two intersecting planes.

Q: Draw the major product of this reaction. Ignore inorganic byproducts. H3O+ Q

A: