Calculate the internal enegy for a system giving off 65 kJ of heat and performing 855 J of work on the surroundings.

Q: 8. Rank the following types of electromagnetic radiation from lowest to highest energy. visible…

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Q: When a sample of a hydrated CaBr was heated to a constant weight, 3.24 g of the anhydrous (dry) CaBr…

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Q: Draw a structural formula for the substitution product of the reaction shown below. H OCH3 . Br…

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Q: What would the rearrangement look like

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Q: Consider the following reaction: 4K(s)+02(g) →2K2O(s)4K(s)+02(g) →2K20(s) The molar mass of KK is…

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Q: 2H₂0 Consider the following reaction: Na₂CO3 + CaCl₂ · 2H₂O → CaCO3 + 2 NaCl + How many grams of…

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Q: Arrange the alkenes in each set in order of increasing rate of reaction with HI and explain the…

A: The above reaction will follow the mechanism of the addition of HI into alkene by markovnikov's…

Q: A mole of ammonia is condensed at its boiling point of -33.4 °C at 1.01325 bar by the application of…

A: Solution-  Here it is given in question that ammonia os boiled at its boiling point. Its an…

Q: The molar concentrations of the hydrogen ion, [H], and hydroxide ion, [OH ], in an aqueous solution…

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Q: The distance between two charges is doubled. What happens to the potential energy?

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Q: Answer using this data for the remaining questions on this page: For 1.0L of an acetic acid…

A: Note: As you asked multiple parts question in a single image. So according to guidelines here we…

Q: Calculate AH dissolution, the enthalpy for the dissolution process in water, per mole of NaOH.…

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Q: How many grams of sucrose are needed to make 765 mL of a 38.0% (w/v) sucrose solution?

A: we have to calculate grams of sucrose needed to prepare the solution

Q: Using the appropriate electron affinities and ionization energies, estimate the enthalpy of reaction…

A: Enthalpy of reaction is defined as the difference in enthalpy that occurs when products are formed…

Q: sorry but how do i find how many liters of water? it looks like you gave me mL instead

A: Answer: This question is based on unit conversion where relation between mL and Liter will be used…

Q: Name the following compounds:

A: we have to write the IUPAC name of the compounds

Q: 31. A bottle contains 59 mL of lemon extract solution. If the solution contains 49 mL of alcohol,…

A: Q.31 Given: Volume of lemon extract solution = 59 mL Volume of alcohol in the solution = 49 mL

Q: how can I calculate the distance between the two Cα atoms of the first and last residues and plot it…

A: VMD is Visual molecular dynamics. It is used to visualizing and analyzing program of the molecules…

Q: A compound formula with brackets is called a coordination complex, and the structure looks like a…

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Q: Calculate the osmolarity of each solution. A 9.5 M KCl solution.

A: To calculate the osmolarity of 9.5 M KCl solution

Q: Isopropyl alcohol is mixed with water to produce a 34.0% (v/v) alcohol solution. How many…

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Q: H3C-CH₂-C-N_CH3 + NaOH H/4₂0 #2 = HD HI #20 heat # 9-40 H₂C-CH₂-C²-N-CH3 + HCl Homb- un heat H₂O и…

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Q: 6. What is the frequency (in Hz) of 615 nm visible light? What color is this light? A: 485 x 1014

A: Given : wavelength = 615 nm  Tip : frequency = speed of light ÷ wavelength

Q: Draw a structural formula for the product formed upon hydroboration/oxidation of the alkene below.…

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Q: Which of the following compounds has a higher boiling points? Provide the main reason for your…

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Q: When a sample of a hydrated CaBr was heated to a constant weight, 3.24 g of the anhydrous (dry) CaBr…

A: The sample is given as a hydrated CaBr2.  Weight of dry CaBr2 = 3.24 g Weight of water released =…

Q: What is the product you would expect from the reaction of cold aqueous acid with ? O HO CH₂CH-…

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Q: A of L E B с

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Q: Derive the Gibbs-Helmholtz equation for A: [a (AT)] ат L UD UNTE TAKI =

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Q: Consider each of the following and indicate the effect (higher or lower-be specific) of each of the…

A: Effect on the amount of acid absorbed can be explained based on what changes we are making.

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: A balanced chemical reaction occurs when the number of the atoms involved in the reactants side is…

Q: 5. Which of the following will partially dissociate when dissolved in solution? a. NaNO3 b. HCOOH C.…

A: The substances which dissociate into ions (cations and anions) when they dissolve in a polar solvent…

Q: Assuming 100% dissociation, calculate the freezing point and the boiling point of 0.570 mol K3PO4 in…

A: Given data  Moles of K3PO4 = 0.570 M mol Mass of the solvent = 1.00 Kg  the freezing point and the…

Q: Consider the following reaction: CS₂ + 30₂ → CO₂ + 2 50₂ When molecules of CS and O₂ were allowed to…

A: Carbon disulfide reacts with oxygen to form carbon dioxide and sulfur dioxide. The equation for the…

Q: What is the major product formed when (R)-2-bromobutane is heated with NaOH? O No reaction O a…

A: First reaction that is reaction between R-2-bromobutane react with NaOH to form trans-2-butene…

Q: A system expands in volume from 2.0 L to 24.5 L at constant temperature. Calculate the work (w) if…

A: When a gas expands the work will be done by the gas on the surrounding. When the work is done by the…

Q: a.) Write the chemical formula for  potassium phosphate, sodium chloride, copper (II) chloride,…

A: Double displacement reaction is the reaction in which ionic compounds react by exchange of ions and…

Q: 6. Indicate the maximum number of electrons each of the following can hold: n = 3 Px d n = 5 (room…

A: -> n represent principal  quantum number it contains 2n2 number of electrons. -> p subshell…

Q: 14. Write the full and abbreviated electron configurations for sulfur dianion. How many core and…

A: Here we are required to find the electronic configuration for sulphur dianion.

Q: a. If the equilibrium constant (K) for water dissociation: H₂O(g) → H2(g) + 1/2O2(g) is 3. 4808x10+…

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Q: Johnson and Steele determined the standard enthalpy of combustion of UO₂() in gaseous fluorine. The…

A: UO2(s) is undergoing combustion in presence of gaseous fluorine, F2(g).  The combustion products…

Q: A sample of an unknown metal (c = 0.485 J/g*K) is heated to an initial temperature of 91.9 °C. It is…

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Q: Calculate the change in internal energy, AU (in kcal), for the reaction H₂(g) + 1/2O2(g) = H₂O(1).…

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Q: Which of the following are TRUE for an exothermic energy profile? Select all that apply. O Delta H…

A: Answer: Often during the chemical reactions heat change also happens and we can classify the…

Q: Calculate the temperature change of imole of a perfect diatomic gas contained in a piston. q = 65J…

A: Given,  The gas is dia atomic  Number of moles = 1 mol  q = 65 J  w = 210 J

Q: Polyethylene phthalate is a copolymer containing phthalic acid and ethylene glycol. The monomers…

A: In the given reaction ethyl glycol react with phthalic acid and condensation product form. Here…

Q: d) To explain the quantization observed in the emission spectra of hydrogen, Bohr introduced…

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Q: Starting with 1-chloro-2-methylpropane show, with the aid of an equation how Compound A could be…

A: The 2-methylpropylamine can be prepared by reacting 1-chloro-2methylpropane with excess…

Q: Predict the product for the following SN2 reaction. Save A IV B V ooooo ||| || D | Br E ||| 00 || O…

A: Given reaction is SN2 reaction.

Q: 7. What is an approximate frequency (in MHz) range of ultraviolet light? Note: The range of…

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