How many grams of NaOH should be dissolved in 250.0 mL of H₂O to make a 0.25 M solution?

Q: 19. In an acidic buffer solution, the concentration ratio between the weak acid and its conjugated…

A: The solution of a weak acid and it's salt with a strong base is known as an acidic buffer. An…

Q: It is possible to approximate the rotational partition function for diatomic molecules by replacing…

A: Rotational partition function gives the relationship between rotational degrees of freedom to the…

Q: What is the formula of the compound formed in the reaction of the basic oxide,magnesium oxide,with…

A: formula of magnesium oxide = MgO formula of water = H2O

Q: ol HO O A B A Of the compounds shown, which of the following would have the smallest Rf value? A and…

A: Here we have to determine the  compound  having smallest  Rf value .

Q: An old antacid commercial claimed that each tablet of their product could "neutralize 47 times its…

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Q: 2) Describe the different chemical and physical methods of preparing nanomaterials. Give their…

A: Different  chemical and physical  methods of preparing  nanomaterial.  There merit and demerits

Q: Part C 03059 g C₂H Express your answer to four significant figures and include the appropriate…

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Q: ol B HO 00 Of the compounds shown, which of the following would have the largest Rf value? O C A A…

A: Rf value I.e. retardation factor is distance traveled by solute divided by distance traveled by…

Q: Identify the IUPAC name of the given compound. J H₂N a) 2-methyl-3-amino-1-cyclopentanone Ob)…

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: Carry out the following syntheses, using any necessary reagents. Show any synthetic intermediates…

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Q: lassify each compound as ionic or molecular. CH₂ Mes Ionic So, FC, Answer Bank Molecular

A: Since, Ionic bond formed by donating electron to other. Cation donate electron to anion. Molecular…

Q: 4. In each of the following pairs, circle the stronger base: H-67 (from above) H₂C-0 oor Brief…

A: To circle the stronger base in each of the following pairs.

Q: Which of the following reactions is faster at room temperature? Explain why. Reaction 1: H₂(g) + 12…

A: •Here two reaction are given which are occurring at room temperature and we have to tell that which…

Q: If five extractions with 100 ml portions of ether extract 90% of a solute from an aqueous solution,…

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

Q: confused about the H groups on the left of the molecule. The book says there are 9 H NMR groups. I…

A: In 1Hnmr number of signals are equal to number of chemically non-equivalent protons.  Chemically…

Q: 7. Light travels at a speed of 3.00 x 10¹0 cm/sec. What is the speed of light in km/hr?

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: What is the major product of the following reaction? A) B) C) D) Br Br HBr Br Br

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Q: Given the equation : 197.8 kJ+ 2AB₂ + B₂ --> 2 AB3 (A): Find the quantity of heat transferred when…

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Q: Is it more efficient if you use 3.0 M CH3COONa (sodium acetate) as your base in place of 3.0 M NaOH…

A: In extraction of acid it is really important to choose a right base which will convert the acid into…

Q: Specify the formal charges (both sign and magnitude) on the atoms labelled a-c. F |c H₂C-O-B-F CH₂ F…

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Q: a. Ethylene, C₂H₂, is a planar molecule, but hydrazine, N₂H₂, is not. b. ICl, is linear, but NH₂ is…

A: 1. Ethylene as shown below we can see that here there is the presence of the double bond between…

Q: A metal pellet with a mass of 50.0 g, originally at 85.0 °C is dropped into 150.0 g of water…

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Q: 11. Atmospheric pollution such as SO₂ is a problem that has received a lot of attention. While…

A: Given that -  Mass of SO2 gas emitted by Kilauea volcano = 200-300 tones (300 tones maximum in a…

Q: Two weak acids, HX and HY, have partition coefficients, KD = Cet/Caq, of 5 and 50 respectively, and…

A: Given: For Weak acid HX  Partition coefficient (KD)= 5 Dissociation constant (Ka) =1 x 10-4 For…

Q: The compound heptane, C7H16, is a good fuel. It is a liquid at ordinary temperatures. When the…

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Q: Find the concentration of I in 0.050 M AgNO3 saturated with AgI. Include activity coefficients in…

A: Given, Concentration of AgNO3 = 0.050 M Ksp of AgI =8.3×10-17

Q: Show that Thomson's atomic model cannot explain Rutherford's experiment

A: According to Thomson's plum pudding atomic model, the mass of an atom is uniformly distributed…

Q: Provide the IUPAC name below

A: The given formula is a bond line formula of a organic alkane molecule. We have to provide IUPAC…

Q: 16. 18A HO F F OH A and B are the same molecules A and B are different molecules

A: Note: According to our guidelines we are supposed to answer only one question.  Kindly repost other…

Q: 2. Predict the products and balance the following chemical equations: a. Cu(OH)2(s) + HClO4 (aq) b.…

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Q: The following graph shows the rate of reaction for two different enzymes: One is pepsin, a digestive…

A: This is a problem based on biochemistry the difference in activity of enzyme based on the pH.

Q: 1A 8A 3A 4A 5A 6A 7A He BC N O F Ne 1B 2B Al Si P S C1 Ar H2A Li Be Na Mg 38 48 58 68 7B8B K Ca Sc…

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Q: What are the three types of shape selectivity displayed by zeolites? Explain each of them and these…

A: Zeolites are microporous, three-dimensional crystalline solids of aluminum silicate. Thus, zeolites…

Q: The concentration of oxygen at z=δ is 21 mole percent. The reaction at the surface may be assumed to…

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Q: ) Which term best describes the relationship between the two molecules depicted in the box (below):…

A: 2) we have to find the relation between the given two molecules

Q: Review & Preview Read the passages. Answer the questions using the passage text. Highlight the…

A: The change which involves a change in the physical state of the matter without the change in its…

Q: A thoroughly dried 1.271 g sample of Na2SO4 is exposed to the atmosphere and found to gain 0.387 g…

A: % by mass of Na2SO4.10H2O = mass of Na2SO4.10H2Ototal mass of mixture * 100and1 mole Na2SO4.10H2O…

Q: Hydrolysis is the formation of a larger molecule with water as a product. True or false.

A: Hydrolysis is the process of breaking of compounds using water resulting in the formation of two or…

Q: Ethanol, C₂H₂OH, is mixed with gasoline and sold as gasohol. Use the following to calculate the…

A: Ethanol reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: The following initial rate data are for the reaction of ICI with hydrogen: 21C1+ H₂ → I2+ 2HCl…

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Q: The following data are for the gas phase decomposition of dinitrogen pentoxide at 335 K. N₂05(9)→2…

A: 1. Rate law state that rate of reaction is directly propertional to the product  of  molar…

Q: What mass of the specified compound is formed in the following reactions? (Assume that the reactants…

A: Here, we have to find the mass of the products as required from the given balanced equation.

Q: The density of gold (Au) is 19,32 g/cc. If the thickness of a thin sheet of gold is 0.1 x 10^-6 m or…

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Q: what is the product after these compumds undergo a diels-alder reaction

A: Diels-Alder reaction is [4+2] cycloaddition reaction.  In this reaction diene and dienophile reacts…

Q: is these three compounds; L-(-)-carvone, (+)-limonene and (1R, 2R, 4R)-dihydrocarveol found in…

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Q: A compound is analyzed via TLC. The distance from the origin to the solvent front was found to be 63…

A: Distance from the origin to the solvent front  = 63 mm Distance from the origin to the compound spot…

Q: 26 mg of sodium.  How many atoms of sodium are found per mL of the solution?  1 oz. = 29.57 mL…

A: 1 oz = 29.57 mL

Q: H3C HC. CH₂ H3C -CH₂ HC CH3 CH CH H3C CH₂ CH

A: Common name of organic compound.

Q: 3. Assume that the van der Waal's "b" Parcemeter be ignored. Delive an (a) can equation for the work…

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