What is the change in internal energy in joules when a system releases 154 J of heat and does 125 J of work on its surroundings? Express your answer in decimal notation rounded to three significant figures.

Q: What is the ideal conformation for the alpha anomer of D-mannose. О4 94 Н Н HO -0 -H -OH HO H НО Н A…

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Q: HClO4(aq)+NaOH(aq)→ Express your answer as a chemical equation. Identify all of the phases in your…

A: The acid react with base to form salt and water , called as neutralization reaction.

Q: Use the following atomic masses (in g/mol): As = 74.92; O = 16; K = 39.1; Cr = 52; Na = 23; Cl =…

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Q: .The hybridization of carbon atom in alkane is - 24 A-Sp³ 30+ 1. B - Sp³ 40 C − Sp3 2 ơ + 2 . A O BO…

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Q: (35), - (25), (P), - (OP), = =

A: ->The above given equation can be proved with the help of thermodynamics equations.

Q: For each of the following, state the type of biochemical reaction involved (redox, condensation,…

A: The condensation is a reaction where two molecules combine and form a new molecule with a release of…

Q: Write the reduction half reaction of this equation. 2 Al +3 Cu²+ 2 Al³+ + 3 Cu

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Q: buffer solution contains 0.365 M NaHCO3 and 0.305 M K2CO3. If 0.0385 moles of potassium hydroxide…

A: Given-> Molarity of NaHCO3 = 0.365 M Molarity of K2CO3 = 0.305 M Moles of KOH = 0.0385 mole…

Q: What would be the product if D-talose is reacted with: 1. NH2OH then (CH3CO)2O, NaOCOCH3 then…

A: Carbonyl compounds of aldehyde react with hydroxyl amine ( NH2OH) to give C=N-OH  (CH3CO)2O,…

Q: Could you please answer part D of this question? Thank you and sorry for the inconvenience.

A: There are two types of bond clevage occurs. Homolytic bond clevage(free radical formation)…

Q: 19. Organic chemistry refer to. OA. Study carbon compounds. OB. Study carbon and hydrogen compounds…

A: Organic refers to study of compounds that contains carbon and hydrogen and their derivatives.

Q: OMe 1. TMEDA, sec-BuLi, THF; Me H 2. PBr3, CH₂Cl₂ 3. Mg, THF; then CH₂O; then aq. HCI OMe Me OMe OMe…

A: The product of the following sequence is

Q: VP Theory (Pre-lab) Central Atom #1 Hybridization of Central Atom Electron Geometry Molecular…

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Q: A) 1) One of the following four structural formulas is not a permissible resonance contributor which…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: Calculate the quantity of heat in KJ, associated with a 33.5 celcius decrease in temperature in a…

A: 5.85 Kg of aluminum bar is associated with a 33.5 °C decrease in temperature. The specific heat of…

Q: 3. A student failed to completely decompose all of the KCIO,(s) present in their sample, leaving…

A: We have to discuss whether any changes occur or not.

Q: Chemistry c) 4 d) 5 2) What is the correct order for the following molecules according to their…

A: Electrophilic aromatic substitution means one electrophile is substituted by other electrophile.

Q: tetraphenylboron

A: We know that, sodium tetraphenylboron Na(C6H5)4B, reacts with potassium ions to form a white…

Q: Method is preparing compounds with double and triple bonds is. A. Elimination reaction. B.…

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Q: explanation

A: According to the question, Na2CO3 is dissolved in water and Na2CO3 is dissolved in potassium…

Q: ▼ Part A - Solution 1 After being given a solution containing a set of unknown ions, you perform the…

A: Analysis of anions or cations means that what type of cations or anions are present in a given…

Q: CHO H-OH H-OH CH₂OH 1. NaCN/HCI 2. H₂/Pd/BaSO4 3. H₂O/H

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Q: 28-Acetylene molecule C2H2 the hybridization is. A - Sp¹ B - Sp² C - Sp³ O A B O C

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Q: 20 - Organic compounds are divide to: O A- Aromatic hydrocarbons. O B- Aliphatic hydrocarbons. O C-…

A: Detail description is given below

Q: 4000 100 80 60 8 8 40 IR Spectrum (liquid film) 20 % of base peak 3000 59 2000 115 87 11 80 40 13C…

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Q: Describe how you would prepare the following. Name reactants and products and rx conditions. b) 1,…

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Q: A. Table 1 shows the data of pressure and volume of a gas at constant temperature. Table 1 VOLUME…

A: Note - Pls post part 3-B seperatively. Given : Following data of pressure and volume of gas at…

Q: Method is preparing 5 compounds with double and triple .bonds is A. Elimination reaction. O B.…

A: Let us first discuss the above reactions : Addition reaction : The reaction in which two or more…

Q: A student made measurements on some electrochemical cells and calculated three quantities: • The…

A: THERE WE HAVE THREE DIFFERENT MEASUREMENTS (G,E,K) FOR CALCULATIONS WE NEED TO CONSIDER ANY ONE…

Q: Chemistry 30. After being added to water, gallium perchlorate and iron (II) chloride react…

A: Here we have to determine the mass of precipitate formed in the following given chemical reaction.

Q: I мео THO OH 1.0.9 2. i H 3. H 3 O + 1. NH₂ CCH,), (CH₂)₂ CH CH ₂ CHO 2. NaEN, HET 3. HC1, H₂0, A…

A: 1. NaBH4 selectively reduces aldehyde/ketone in the presence ester 2. LDA abstracts proton from the…

Q: Identify the spectator ions in the following complete ionic equation.…

A: Spectator ions: Spectator ions are ions which are present on both reactant and product side in the…

Q: Calculate the equilibrium constant (K) for the following reaction? 2Fe³+ + 31 2Fe²+ 2Fe²+ + 13…

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Q: Question 20 of 31 Provide the correct IUPAC name for the compound shown here. 1,1- 3- 1- 2- 1,2- 4-…

A: Detail description is given below

Q: The important steps in solid phase peptide synthesis are? A) Coupling and hydrolysis B) Hydrolysis…

A: Solid-phase peptide synthesis (SPPS) involves the successive addition of protected amino acid…

Q: If you react 6.64g of Chromium with sulfuric acid, you produce hydrogen gas and Cr₂SO4. How much…

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Q: sequence: A A B в C с с D D Е E E

A: The product of the following sequence of reactions is:

Q: If 1.1g of 100.0C steam begins to condense on a container of liquid water at 25.0C and they…

A: Given, The mass of steam at 100.0°C is 1.1g. The mass of liquid water is : when the steam and liquid…

Q: 38. Fluorinating water is traditionally done to protect the enamel on teeth. One method used to…

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Q: The chemical structure of a biologically relevant molecule is shown below. Which functional group is…

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Q: What would be the product if D-gulose is reacted with a.. 1.) NH2OH then 2.) (CH3CO)2O, NaOCOCH3…

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Q: if the mobility of electrons in silver (Ag) is 75 cm2 /v. The cell parameter is 4.0862 ×10-8 cm,,…

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Q: Chemistry Perform the following syntheses. Use the retrosynthetic analysis shown in the example. Be…

A: Detail retro synthesis as well as forward reaction is given below

Q: MacBook Air A) CH B) C₁ H C) C₁0H₁0 D) C, H, E) C₂H₁6 Done +

A: A chemical formula that shows the total number and kinds of atoms in a molecule, but not their…

Q: 58 O O Sulphur content - 54 O .Pour point define as - A Lowest temperature at which fuel will flow…

A: 1. Pour point is defined as the lowest temperature at which fuel ceases to flow when cooled. 2.…

Q: 1.Write the rate equation for the reaction between X and Y.Show your reasoning. 2.State the overall…

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Q: Given the transition state diagram(s) below, identify the mechanism(s) of catalysis. Mg2+ H-N(CH₂)…

A: In the given catalysis reaction, there is no metal ion involved which initiates or catalyses the…

Q: A sample of water with a mass of 23.31 g and initial temperature of 367.67 k loses 8615 Joules .…

A: When water is cooled the heat will be lost from water into the surrounding. The final temperature of…

Q: General formula of aromatic -224 .compounds are A - CnH2n. O B - CnHn+2. O C- CnH2n-2. O

A: The aromatic compounds or arenes are having the general formula of CnH2n-6m . ,where n = number of…

Q: Write the total ionic equation (TIE) and the net ionic equation (NIE) for the following equation:…

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