A car traveling on interstate 90 at 65 miles per hour. If it is approximately 6.76× 10^2 km from Cleveland, Ohio to Chicago , Illinois, how many hours will the trip take assuming no stop?

Q: Casey was requested to make 300 mL of a 2 mM solution of NaCl from a 5 M stock. Show your nath in…

A: Casey was requested to make 300 mL of 2 mM solution of NaCl from a 5 (M) stock solution.   We have…

Q: HO CrO3.2 руг. Н

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Q: How many significant figures are in this value? 0.023558

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Q: Consider a solution made by mixing 21.0 g of liquid pentane (C5H12) with 41.5 g of liquid decane…

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Q: Benzocaine, also known as ethyl p-aminobenzoate, C₉H11NO2 is a topical anesthetic  Calculate the…

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Q: The specific heat capacity of aluminum is 0.214 cal/g °C.. How many calories of heat are necessary…

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Q: Draw the Lewis structure of NO, and then choose the appropriate formal charge for the central atom.

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Q: 60. Which molecule contains an sp carbon? (A) HC=CH (C) H3C CH3 (B) H₂C=CH₂ (D) CH

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Q: 2) Compound C gave the following proton NMR signals: a) singlet,1.22 ppm, 6H; b) Triplet, 1.85…

A: In the above question the 1H NMR data is given for compound (C) , we have assign the peak of H atoms…

Q: Complete and balance the following redox reaction in basic solution. Be sure to include the proper…

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Q: - - Eto son

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Q: 57. Calculate the equilibrium constant K of the following reaction at 25°C CaSO4(s) Ca²+ + SO4²-…

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Q: Calculate the energy change when 25.0 g of magnesium changes from 27°C to 45°C. The specific heat of…

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Q: Question 7 An oxide is prepared by by burning 4.00 g of F e in air. The mass of the oxide is 5.71 g.…

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Q: Balance the following redox reaction when it occurs in basic solution: Br₂ (1) → BrO3¯ (aq) + Br¯…

A: The given unbalanced redox reaction as follows; Br2(I)   =====>    BrO3-(aq.)  +  Br-(aq.) We…

Q: A chemist titrates 130.0 mL of a 0.7300M butanoic acid (HC3H₂CO₂) solution with 0.6738 M NaOH…

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Q: someone provide the name of the function group class for each compound?

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Q: State a mechanism for the reaction: R₁-CO-O-CH₂-CH3 + R2-CO-O-CH2-CH3 → R₁-CO-R₂

A: Enolate reacts with a carbonyl compound to produce a new C-C bond of the product.

Q: The baseline value used to compare the entropy of other systems is: Mole mole of substance at a…

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Q: What is the pressure in ATM for a sample of nitrogen gas that has a pressure of 235 KPa?

A: Pressure of the nitrogen gas=235 KPa We  need to calculate the pressure of nitrogen gas in ATM.

Q: Please type all work  and answer with correct sig figs!!! Question 9  Solid aluminum can be…

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Q: A B Give the organic product: & Маскарие NaBH4 ? which! H+ heat C D OH

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Q: Question 11 A graph showing four real gases as compared to an ideal gas is shown below. Based on the…

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Q: When 2.0 ± 0.1 mL drops of 0.1 M HCL is added to a clean test tube with 1 drop of universal…

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Q: furan + O maleic anhydride

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Q: In the laboratory you dissolve 17.1 g of calcium chloride in a volumetric flask and add water to a…

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Q: Select the generic nonpolar amino acid that is in the correct form at pH=7.0, or at physiological…

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Q: When a ß+ is emitted from an unstable nucleus, False a proton is ejected from the nucleus. Truea…

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Q: A 5.00 L tank at-13 °C is filled with 6.64 g of chlorine pentafluoride gas and 12.4 g of dinitrogen…

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Q: 1) Write the abbreviated electron configuration 2) Identify if this is paramagnetic or diamagnetic…

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Q: Balance the following redox reaction when it occurs in acidic solution: 2+ Zn²+ (aq) + NH4+ (aq) →…

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Q: xe and xef2 each have a temperature of 800k, a pressure of 1 bar, and 1 mole each, answer these…

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Q: When ligand dissociation occurs on a transition metal complex, how many electrons are lost around…

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Q: What is the molecular weight, number of carbons,number of hydrogens, molecular formula, and…

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Q: A chemist prepares a solution of potassium permanganate (KMnO4) by measuring out 9.50 µmol of…

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Q: The following information is given for magnesium at 1 atm: boling point = 1090 °C melting point =…

A: Mass of Magnesium = 32.00 g  Initial temperature= 756.0oC Final temperature= 29.0 oC  Specific heat…

Q: The T = 100.00°C Tm = 0.00°C following information is given for water at 1 atm: Specific heat gas =…

A: Given: mass of water, m  = 37.50 g Specific heat of water liquid, Cl = 4.184 J/g°C  Specific heat of…

Q: A solution is prepared that contains 25.0 mL pyridine, C5H5N, d = 0.978 g/ml and 27.6 g pyridinium…

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Q: 1. What is IUPAC name for following compounds (a) Br., он OH (b) Br OH (c) Br NO₂ OH

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Q: What is the volume in L required to heat the water

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Q: 1. The radioisotope A () spontaneously decays to form the radioisotope B (O), as shown below. t = 0…

A: For first box: No of A = 16  ;    No of B = 0 For Second box: No of A = 8   ;   No of B = 8 For…

Q: Select the coefficients needed to balance this equation. KClO3 --> KCl + O2

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Q: 15. Provide a stepwise synthesis to carry out the following conversion. CHINH,

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.