A beaker in front of you hold 95.0 g of a solution containing 33.375 g of sodium chloride in water. what is the solute? what is the solvent? what is the mass/mass percent concentration of the solution?

Q: A 500 mL of 3.0 M NaOH solution was diluted in order to produce a 1.0 M solution? What is the volume…

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Q: The N- N- H bond angles in hydrazine N2H4 are 112°. What is the hybridization of the nitrogen…

A: The correct answer about hydrazine is given below

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Q: A differential scanning calorimeter run with a 13.7 mg sample at a heating rate of 15.0 K/min yields…

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Q: For the endothermic reaction: CaCO3 (s) → CaO (s) + CO2 (g) Le Châtelier's principle predicts that…

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Q: (A) + H20 OH oH (B) + H,0

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Q: forom One or more of the monomers below are needed to make the polymer Choose which one(s). O H H H.…

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Q: 3. The working charge of a four foot adsorption bed is 32.0%. The MTZ and heel were determined to be…

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Q: What is the percent acetic acid in a 50.0 mL sample, which required 45.0 mL of a 0.1466 M NAOH to…

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Q: Identify the enol form of each keto toutomer. A. HO IC. D1 OH C. B1 B. D. A1 HO. C1 B.

A: In this question we have to tell the enol form of keto form.

Q: 3.728 g of p-aminophenol (MW = 109.13 g/mol) is reacted with 6.487 g of acetic anhydride (MW =…

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Q: 1211 120 110- 100- 90- 1986,46cm-1, 92.30%T 1888.12cm-1, 86.12%T 523.69cgf-1. 89.49%T 2115.07cm-1,…

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Q: (Lesson 1)Use the graph below to determine if the reaction of oxygen with ethanol is exothermic or…

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Q: 3. Which radioactive process would turn Am-243 to Np-239? positron emission alpha decay gamma decay…

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Q: Classify each of the changes/characteristics from Experiment 6 (Chemicals in Everyday Life) as…

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Q: . Given the following processes, what would be the entropy change for the gases involved? a.…

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Q: Question 12 of 15 A mixture contains (0.40 g SO,, 20 % (Wt/WT) NACI) and unknown amount of NH,C when…

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Q: A solution of 0.021 M AgNO₃ that is also 1.23 M NH₃. The kf for Ag(NH₃)₂⁺ is 1.7x10⁷. In a 1.5L of…

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Q: A certain solid metallic element has a density 7.87 g/cm and a molar mass of 55.85 g/mol. It…

A: Given: The density of the metallic element = 7.87 g/cm3 The molar mass of the metal = 55.85 g/mol…

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Q: Answer the following questions. If 50.0 mL of Thiosulfate solution are required to titrate the l2…

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Q: 1_SnO2+ 2 H2 1 Sn + 스H20 © How many grams SnO, do you need in order to produce 25 g H,0? o What is…

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Q: Convert the calorific power of H2 which is 2,582 cal to at STP, where 1 kg-mol = 22.4 m3 m3 kg

A: 2583 cal m-3 = 2583 cal x 22.4 cal cal kg-1 = 57836.8 cal kg-1

Q: Devise a synthesis of CH,CH,C=CCH,CH,OH using CH,CH,CH-CH, as the starting material. You may use any…

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Q: Draw the structure of the a-keto acid formed by the transamination of each amino acid: (a) tyrosine…

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Q: On 3 October 1952, the UK conducted the detonation of an atomic bomb in Austrailia, leaving a…

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Q: Give the IUPAC Name of the following compound.

A: The given compound has alkyne main functional group. And longest parent chain is six membered.

Q: HCI CI

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Q: According to kinetic-molecular theory, in which of the following gases will the root-mean-square…

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Q: QUESTION 11 What is the k a of a monoprotic weak acid if a 0.115 M solution has a pH of 4.471?…

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Q: The dehydration of cyclohexanol can also be monitored by reverse phese HPLC. The retention time for…

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Q: Question 5 For the following coordination complex: {Mn(C,o)(H,0);C1;} Give the name Determine the…

A: Name:  Diaqua trichlorido oxalato manganase(iv) Coordination number: 7 Geometry: Pentagonal…

Q: 1. Which of the following statements is false considering the reaction below? 2NO(g) + 2H2 (g) 2N2…

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Q: Zinc-62 decays with a half-life of 9.186 hours. 1. Write the balanced nuclear reaction of Zn-62 as…

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Q: 1. What other factors influence the basic properties of amino compounds? Explain how they influence…

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Q: Which form of chromatography is INCORRECTLY defined? A. partition chromatography – solute…

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Q: QUESTION 14 When 33.42 grams of fictional compound X is added to water to make 398.4 grams of…

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