Using the molecular weight of Tris base (121.14 g/mol), calculate how much Tris base you need to make 40 mL of a 1.0 M solution.

Q: Ow how you can do the following preparations, show the steps complete with the reagents: Br Br OH…

A: Step by step mechanism of both compound.    BH3 is use for reduction of acid to alcohol.

Q: Consider the following graph for the titration of 0.2M NH3 with 0.2M HCI: h II 0- | pH 7- Which…

A: Answer:- The buffer solution containing the weak base/acid and it's salt with strong acid/base. So,…

Q: 5) The latent heat of fusion of water at 0 °C is 6.025 kJ mol and the molar heat capacities P.m) of…

A: The latent heat of fusion of water at 0οC = 6.025KJmol-1 Cpm Water = 57.3 JK-1mol-1 Cpm Ice = 73.7…

Q: Select the statement that best explains the difference in polarity between neoxanthin and…

A: Carotenoids are a class of pigments that are widely distributed in plants, algae, and some bacteria.…

Q: What action determines the pressure of a gas? expanding of the container reactions in the container…

A: Expanding the Container means volume of the container increases so it does not determined the…

Q: Recorded barometric pressure: 758.9 mmHg Mass of Aluminum used= .021 g Volume of gas in gas…

A: Answer: In the given problem, hydrogen gas produced by the reaction between Al and HCl is getting…

Q: 99. Which one of the following expressions represents in Gibbs Helmholtz equation? a) A,G=A₂H + T P…

A:

Q: Which equation shows a decomposition reaction? ŏ o A B C D CH +0 → CO + H₂O, 4(g) 2(g) 2(g) 2 CaO…

A: A combination reaction is a reaction in which two or more substances combine to form a single new…

Q: You observed the following scenarios: silver solid in aqueous hydrochloric acid Ag (s) + HCl (aq) →…

A: Given:-

Q: (9) Using the following figure to calculate the gas pressure (density of fluid (l) used in…

A: The answer for this problem is provided below in great details within the attached figure.

Q: A piece of unknown substance weighs 58.0 g and requires 1490 J to increase its temperature from…

A: (a) The specific heat of the substance is = 0.384 J/g.°C  (b) The identity of the substance is =…

Q: 3. Identify and label chlorophyll a and chlorophyll b on the 1:2 plate. Explain the basis for your…

A: The answer for this problem is provided below in great details within the attached figure.

Q: For the compound below, locate the pattern we just learned (lone pair next to a π bond) and draw the…

A: Resonance structure of a molecule is a possibility to find a molecule also in that structural form.…

Q: Question 32 (170) Given the following unbalanced equation: KNO2 + H₂Cr₂O7 + HCl → KNO3 + CrCl3 + H₂O…

A: Balanced chemical equation:  Balanced chemical equation can be define as the reaction in which…

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

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Q: Cite macroscopic evidence to support the decision that a chemical change did take place. Lead solid…

A: This question is based on reactivity series of elements.

Q: What is the unit of measurment for the answer 1000/4.184

A: Amount in KJ = 23.4 KJ  23.4 KJ in calories = ?  Note : From the given question's answer (1000 /…

Q: 2. You are asked to make 100 ml of a 1 mM solution. How much of the 1 M concentrate do you add? How…

A: This is a dilution problem. To calculate the volume of concentrate solution we can use the formula -…

Q: How many grams of potassium nitrate, KNO3, is produced when 150g of potassium chromate, K2CrO4,…

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Q: important values if needec For the following reaction, 9.08 grams of sodium are allowed to react…

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

Q: 85. Consider the following statements Statement 1: The speed distribution of O₂ molecule at…

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Q: (A) 2 and (5) Which of the following statements related to electrolytes is true: (A) A weak…

A: 5 . Electrolyte are substance that  conduct electric current as a result of dissociation of ions (…

Q: Which set(s) of quantum numbers define an .allowed orbital? Select all that apply Note: if it is an…

A: The allowed values of principal quantum number(n) are 1,2,3,4,........ The allowed values of angular…

Q: The Beer-Lambert Law relates the measured absorbance of a solution at a particular wavelength to the…

A: Given : The Beer-Lambert Law relates the measured absorbance of a solution at a particular…

Q: Recorded barometric pressure: 758.9 mmHg Mass of Aluminum used= .021 g Volume of gas in gas…

A: Answer: In the given problem Al is reacting with HCl to produce hydrogen gas and we have to find the…

Q: Give the products of each of the following reactions? a) CH2=CHCH=CH-CH3 + H-C=C-C=N b)…

A: Diels-Alder reaction: It is the [4+2] cycloaddition reaction between a diene and dienophile to a six…

Q: Ethyl chloride, CH3 CH₂ Cl, used to produce tetraethyllead gasoline additive, decomposes, when…

A:

Q: If 75.0L of water vapor is produced, what mass of propane was consumed in the reaction

A: The volume of water vapor produced = 75.0 L 1 mole H2O means 22.4 L ? moles H2O means 75.0 L Number…

Q: The physician has ordered 1.0 g of tetracycline to be given every six hours to a patient. If your…

A:

Q: Select the two isotopes of nitrogen-15. NN-16 N714N714 F2−F2− phosphorus-15 OO-15 O+O+ O815O815…

A: Isotope - atomic number will be same  Answer will be - N815 O+

Q: A 8.65 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Moles, often represented by the symbol "mol," is the unit of measurement for the amount of a…

Q: Step 1: add curved arrows. Draw Rings More Select I :O: ... C H O H Erase Step 2: complete the…

A: The epoxide ring can be open by using base catalysed as well as by acid catalysed. In base…

Q: LTIPLE CHOICE uestion 19 hich statement describes a double replacement reaction? A Ethanol burns in…

A: double displacement reaction is  type of chemical reaction in which the reactant ions exchange…

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

A:

Q: A jar of crunchy peanut butter contains 1.30 kg of peanut butter. If you use 8.2 % of the peanut…

A:

Q: Question 1 What is the classification of amino acid below? O но O polar 11 H C-C-N CH O basic H₂C…

A: ♣ Polar amino acid : They have polar hydrophilic R group -OH group, -SH group etc. so that they…

Q: When 6.048 g of a compound containing only carbon and hydrogen was burned completely in 22.647 g of…

A: We are provided with a reaction of hydrocarbon with oxygen that is combustion of an organic compound…

Q: An unknown compound has a molar mass of 215.22 g/mol.  In the lab, the empirical formula was found…

A: Given, the empirical formula of the compound: C2H3O the molar mass of the compound = 215.22 g/mol We…

Q: Which of these reagents would work? (Select all that apply). 1. HBr 2. NaCN 1. SOCI₂, pyridine 2.…

A: Given a conversion from  CH3CH2OH to CH3CH2CN. We have to write the corrects reagents.

Q: Part 1 Br 1) Ma Hint Part 2 2) 3) H₂O* Your answer is correct. The major product is a primary…

A: Given reaction: We have to find the major product of the reaction.

Q: b H-Br Ch₂

A: 1,2 indicates two neighbouring carbon atoms, while 1,4 indicates two carbon atoms which are…

Q: Use the following equation to answer the following question: 3Ba(NO3)2+Al2(SO4)3=3BaSO4+2Al(NO3)3…

A: Using balanced chemical equation and stoichiometry, mass of aluminum sulfate can be calculated to…

Q: Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left…

A: In the given question, atoms of copper are given. We have to find the mass of copper.

Q: ements accurately describes the products of the two reaction pathways shown? A -B dinate the…

A: We have been given an energy diagram.In this diagram, two reaction pathways are shown.We have been…

Q: 1. the you can solve. How many grams of sodium oxide will be produced from the reaction of 15.0…

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Q: Given: ____Sn +_____HF --> _SnF₂ + ___H₂ How many moles of tin II fluoride will be produced from…

A: Given, _ Sn + _HF ---> _SnF2 + _H2 moles of hydrofluoric acid (HF) = 3.50 moles moles of tin II…

Q: On the basis of reactivity, in how many groups metals can be classified? Write names.

A: This question is related to reactivity series. The arrangement of metals in decreasing order of…

Q: Provide the major organic product of the following reaction. H₂C H₂CO₂C H₂C Draw the males CO₂CH3 A

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Q: The gas in an aerosol container exerts a pressure of 125 kPa at 18°C, the container is thrown on a…

A:

Q: 710. 10. The formula of rust may be represented most simply as Fe(OH)3. The balanced equation when…

A: The answer for this problem is provided below in great details within the attached figure.