A) B *

Q: 1.4 Consider the structure below: НО. OH OH c) Name at least 4 of the reported health benefits of…

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Q: What would you call a solution with a low concentration of protons?

A: The concentration of proton or hydrogen ion describes the acidity of basicity of solution. This is…

Q: Which of these molecules have chiral center?

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Q: Read each description in the first column of the table below. If any chemical element with atomic…

A: Given : description of elements.  We know in a periodic table there ate 7 periods and 18 groups.

Q: The pressure above a pure sample of solid Substance X at -200. °C is raised. At what pressure will…

A: Initial state is solid. Initial temperature, T = - 200 + 273.15 = 73.15 K  The pressure is raised…

Q: What would the overall charge of this peptide sequence (Asp-Ala-Phe-Lys-His) at pH 12 be?

A: we have to determine the overall charge at pH = 12, on the given peptide sequence :…

Q: Answer the following problems by showing your complete solutions and interpretations. Please be…

A: 3.t=2.303/klog(co/ct) Co=440g Ct=? t=28,703 years k=0.693÷6000(half life given in the passage)…

Q: the periodic table has been called as periodic because? please choose from choices and explain.

A: In this question, we have to choose the correct option and explain why the periodic table has been…

Q: How many grams of methanol should be massed on a scale if an experiment requires 5.25 mL of…

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Q: When we talk about atomic arrangement, what exactly do we mean?

A: Atomic Arrangement consist of  electrons protons and neutrons which are the basic fundamental  of…

Q: Use the molecular orbital theory to explain the fundamentals of acid-base interactions (frontier…

A: Use the molecular orbital theory to explain the fundamentals of acid-base interactions (frontier…

Q: Shown below is the equilibrium between acetic acid and acetate. A H3C C. Acetic Acid -H pKa = 4.76…

A: we need to find the pH at which Acetic acid is 3/4 ionized.

Q: If 13.9 g of O₂ is required to inflate a balloon to a certain size at 36.0 °C, what mass of O2 is…

A: The relationship between the temperature, pressure, and volume of the initial and final state of an…

Q: Unknown 3 ¹H NMR data (ppm) multiplicity integration 0.86 t 3 1.50 2 2.02 2 6.71 1 7.24 1 sextet t S

A: NMR SPECTROSCOPY By capturing the interaction of radiofrequency (Rf) electromagnetic radiations with…

Q: lab sample containing sodium chloride, ammonium chloride and sand. It initially weighs 3.115 grams,…

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Q: I am having trouble distinguishing between primary, secondary and tertiary amines. I read that…

A: The N-H stretching frequency of amines is observed in the region of 3400-3200 cm-1  in the IR…

Q: Using the chemical formulas from Q1, calculate the molar mass of the reactant and product below.…

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Q: What distance in miles can you drive in your new Prius hybrid, if your car gets 48.0 miles per…

A: We would use the given car average and volume of gas to calculate the distance.

Q: the correct number of significant figures in 2.33×18

A: • We need to calculate the number of significant figures for the expression in 2.33 × 18

Q: 2.( J Given the standard reduction potentials (E°) for ubiquinone (Q) and NADP+ provided below,…

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Q: Chemistry state what would be observed when an aqueous solution of zinc tetraoxosulphate (vi)…

A: The solution of zinc tetraoxosulphatei (vi) is prepared from copper (ii) tetraoxosulphate (vi)…

Q: 1.Were the fatty acid propyl esters (biodiesel) formed in this reaction more or less polar than…

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Q: 3 Decompression sickness (also known as the bends) is a condition that affects divers and others…

A: Ionic compounds are made up of ions and contain electrostatic interactions among ions. Polar…

Q: How many grams of calcium chloride will be produced when 31.0 g of calcium carbonate is combined…

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Q: Using a phase diagra Use the phase diagram of Substance X below to find the boiling point of X when…

A: Boiling point is referred to the temperature at which conversion of a substance from its liquid…

Q: 3.which gases can be used as carrier gas in GC? 5:42

A: Gas chromatography:- it is a technique of separating different compounds based on their volatility…

Q: What weight of water must be added to 50lb of a 45% brine solution to yield a 20% solution? b. 55.1…

A: =>Since you have posted multiple questions so we are answering first question(53). For remaining…

Q: Suppose you want to make a buffer with the above acid HA (pka 7.20) You start with 65 mLs of 1 M HA…

A: Given: pKa = 7.20 Volume of HA = 65 mL Molarity of HA = 1 M Volume of MA =35 mL Molarity of MA =…

Q: 2.52 Draw resonance structures for each of the following: ..... (c) (a) (e) NH₂ (b) OH میرا (f) (d)

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Q: Pre-Laboratory Question 1. Define density. Density is defin ined as a mass substance to the volume…

A: Given -> Initial volume= 15.35 ml Final volume= 22.76 ml Weight of marble = 19.060 gm

Q: Imagine that you work for Hennessy and need to separate the ethanol in cognac from the other main…

A: •Given:- Coganc=> Ethanol + water Mixture. •Here we have to seprate ethanol from water by heating…

Q: Recall that for a lone pair to be involved in resonance, it must be in a p orbital, which requires…

A: Given in following question many organic  compounds

Q: Calculate the amount of heat needed to boll 84.5 g of acetic acid (HCH, CO₂), beginning from a…

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Q: CI OH COOCHS OH COOCH3

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Q: skip if you already did this otherwise downvote

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Q: The basicity constant kb for morphine (a weak) base is 7.4 x 107 at 25°C. What is the hydroxyl ion…

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Q: Calculate the work done when 50 g of Fe reacts with HCl to produce a H2 gas in a open beaker at 25…

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Q: 200 g solid CO2 (at -50°C) is placed in a 30 dm3 container at 25°C. Determine if the container will…

A: According to the question we have, The mass of carbon dioxide present in the container = 200 g The…

Q: V culate the amount of heat needed to melt 125. g of s gnificant digits. Also, be sure your answer…

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Q: ОН Na2Cr2O7/H2SO4/H2O

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Q: Ethane gas is held in a constant volume container at a pressure of 225 kPa, and the temperature…

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Q: Use the phase diagram of Substance X below to find the melting point of X when the pressure above…

A: Melting is defined as the conversion of a substance in its solid state to its liquid state. The…

Q: Anwita is on a geology feild trip and finds a rock that contains 38% of the original potassium-40,…

A: Half life of potassium-40= 1.25×10^9 Initial amount of potassium -40 = 100 gm Final amount of…

Q: In the illustration, N is color-coded as blue and O is color-coded as red. ⠀- What kind of change is…

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Q: 8. Tell what is wrong with each of the following electron configurations: (a) 1s² 2s²2p8 (b) 1s² 2s…

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Q: A reaction has a value of AH = -23.0 and AS = -235; mol When would this reaction become spontaneous?…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: a. Account for this fact: Although methanol (CH3OH) (bp, 64.7 °C) has a higher molar mass than water…

A: Solving the following 2 objective questions :  Hydrogen bonding - occurs in the molecules where H is…

Q: Name the three fundamental particles of an atom. DIfferentiate each.

A: It is asked about the three fundamental particles of an atom

Q: What is the molarity of Tris Base (MW = 121.1g/mol) in 10X TBE? and What is the concentration of…

A: Amount of tris base in 10X TBE is 10.8 × 10 = 108 grams of tris for 1M = 121.1g/L for 108g/L =…

Q: Consider a Newman projection of propane shown. Calculate the energy from the strain present in this…

A: An eclipsed conformation is the conformation in which two substituent of two adjacent atoms are in…