The dimensions of a rectangular object were obtained as shown below. Use the data to determine the area of the rectangle. Make sure your final answer is reported to the correct number of significant figures: Width 3.56 cm 1sam Length 5.425 cm

Q: What is the Ksp of the salt at 25 °C? AB3(s) A³+ (aq) + 3 B¯(aq) Ksp =

A: Moles of salt = 0.0290 mol Volume = 1 L Molarity of salt = 0.0290 M

Q: Consider the following data for nickel: atomic mass electronegativity electron affinity ionization…

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Q: The degree of Hydrogen ion concentration is determined by the pH value. This value ranges from 0-14.…

A: The pH range 0-14 is divided into three categories :  1.) pH < 7 is for acids.  2.) pH = 7 is for…

Q: One of the factors that can affect the pH of a buffered solution is the molar ratio of the conjugate…

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Q: In the laboratory a student combines 20.5 mL of a 0.177 M sodium phosphate solution with 12.7 mL of…

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Q: Give the functions of the following equipment in a vacuum distillation setup: -vacuum adapter…

A: Vaccum distillation is the technique used to purify the compound under reduced pressure.

Q: 2. Write reactions to show the dissociation into ions of the following substances when they dissolve…

A: Dear student, we are authorised to solve only one question at a time. Please post rest of the…

Q: Why does the additional substituent on the 3rd carbon disappear?

A: We need to use the IUPAC rules to name a compound.

Q: Which statement about the three fundamental particles is false? O a. The charge of a proton is equal…

A: Electrons, protons and neutrons are considered as fundamental partials of atom

Q: (a) (b) Which definition, Brönsted-Lowry or Lewis, best describes what occurs during the reaction…

A: Bronsted-Lowry definition of acid and base is based on the donation and gain of hydrogen ion ( H+ )…

Q: A flask is charged with 0.120 mol of A and allowed to react to form B according to the following…

A: Here Given:- times(s)        mole of A     0.                  0.120    40.                 0.063…

Q: 16. (a) Predict which proton in ascorbic acid (vitamin C) would be the most acidic. Explain using…

A: As per the rules, only the first question can be answered. Please resubmit for the other questions.

Q: Draw one valid Lewis structure (including all lone pair electrons and any formal charges) for the…

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Q: The balanced chemical equation for the reaction between aqueous nitric acid and aqueous barium…

A: The balance chemical equation between aqueous nitric acid and aqueous barium hydroxide is = ?

Q: An oxygen containing compound shows strong Infrared radiation absorption at 1630 - 1780 cm^-1 and…

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Q: Briefly explain why the 1-mL pipette has a lower percent tolerance level in the range 300-1000 than…

A: Each pipette have the specific tolerance limit. This means a rated error in the measurements. For…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

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Q: Provide a systemic name for the alkane shown in the picture.

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Q: . . Hypothesize which sample from the list of materials will decrease the concentration of soluble…

A: To determine the samples which will result in the decrease in the solubility of lead from the given…

Q: A 20.0 g cube has one side equal to 1.50cm. What is its density?

A: Mass of cube = 20.0 g Volume cube = (1.50)3 cm3

Q: b) Would the conformational energy of the 1,3- and 1,4 - isomers of dimethylcyclohexanes be similar…

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Q: The heat of vaporization of water is 40.66 kJ/mol. How much heat is absorbed when 3.17 g3.17 g of…

A: Given that the heat of vaporization of water is 40.66 KJ/mol. The mass of water is 3.17 g. Here, the…

Q: What is the relationship between Compound 1 and Compound 3?

A: We have to identify the relationship between the compounds

Q: Which of the following reaction is likely to occur with the highligthed group?     a…

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Q: The recommended adult dose of Elixophyllin, a drug used to treat asthma, is 1.5 mg/kg of body mass.…

A: The recommended adult dose of Elixophyllin is = 1.5 mg/kg of body mass Body mass of the person is =…

Q: You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare…

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Q: QUESTION 15 How many atoms of sulfur are in 499 g of Na₂S₂O3 ? Atomic weights: Na=22.99, S-32.07,…

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Q: 14. You have 72 mL of water in a graduated cylinder. After dropping a pebble into the graduated…

A: Water in graduated cylinder = 72 ml  After dropping a pebble, volume reaches to = 43 ml  Volume of…

Q: Consider a molecule of N2. for each pair of distances between the two N atoms, determine which…

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Q: In which species does nitrogen (N) have the highest oxidation number? (Hint: none of the oxygen…

A: We would calculate the oxidation state of N in each compound using the oxidation state of other…

Q: What is the relationship of these two structures? They are isomers. They are not related. The are…

A: Since, Isomers are those whose molecular formula is same but arrangement of atom is different. Thus,

Q: Ratio of specific heats of CO2 at 825K

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Q: Question 13 Solve for 'x' in the following algebraic expression 3.20 In (x/5.00) 123 -3.01 0.065…

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Q: ► Get the concentration of the unknown solutions with %T of 63. ►Given: S1-0.02 mg 52-0.04 mg…

A: Here we are required to find the concentration of unknown solution with transmittance  (%T )63…

Q: 1. What is the sum of 89.332 g and 1.1 g? a. 90.4g b. 90.432g C. 90.0g d. 90.43g

A: The significant figures of a given number are those significant digits, which express the meaning…

Q: You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare…

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Q: Identify the amino acids contained in the tripeptide below:

A: A peptide bond is an amide-type bond between two amino acids. An amino acid contains amino and…

Q: How many hydrogen atoms are there on the carbon atom labeled "B"?

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Q: The Ksp of zinc hydroxide, Zn(OH)2, is 3.00 × 10-¹7. Calculate the molar solubility, s, of this…

A: In this question, we will determine the solubility of this given salt.  Given : Ksp value of Zn(OH)2…

Q: I. Identify the functional group present and name the organic compound given 1) Functional Group:…

A: In organic chemistry  functional group represent  a substituent or moiety in a molecule which is…

Q: Which of the following compounds is insoluble in water at 25 °C ?

A: group 1 elements like Na+ , K+, Cs+ are soluble in water . NH4+(Ammonia ion) are also soluble…

Q: IV. Complete the table by computing for the missing pH, pOH, [H*], and [OH-] 1. 2. 3. 4. 5. [H+]…

A: pH = -log [H+] pOH = - log[OH-] pOH + pH = 14 pH>7, then basic pH<7, then acidic pH =7, then…

Q: What is the mass of an irregular shaped object that has a density of 5.59 g/ml if you have 43 ml of…

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Q: Chemistry Identify the functional group of sphingolipids?

A: Functional group in a compound determines chemical properties of that compound.

Q: A particular medication dosage is 45.0 mg/kg of body weight. How many mg of the medication should a…

A: To calculate the mg of dosage , we first need to convert the given mass of child from lb to kg .…

Q: Which compound is a tertiary alcohol? CH3 I H₂CH₂C-00 ON 01 Oll I O III OV CH3 IV II OH HO LOH

A: Out of the given molecules, we have to select the structure that represents a tertiary alcohol

Q: 16. While cleaning your attic, you find your old mass of 11.3 collection? and the rest of mass of 82…

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Q: I. Identify the functional group present and name the organic compound given 1) 2) CI (C=C1…

A: A functional group is an atom or group of atoms other than the main hydrocarbon chain that is…

Q: Concentrated sulfuric acid is 98.0 % H₂SO4 by mass. Calculate the molarity of this solution if the…

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Q: 2 (g) 2N₂O₂(g) + O₂(g) He fills a reaction vessel with N₂O, and measures its concentration as the…

A: •Here curve is given for concentration of N2O5 with time. •Concentration on y-axis and time on…

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.