What volume of concentratewd nitric acxid (15.8 M) is needed to prepare 4.0L of a 2.0M solution

Q: What is the boiling point of a solution of 210.0g of sodium iodide in 650g of water assuming complet...

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Q: 2. Predict the major product from the following reaction sequence: (Write out complete equations sho...

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Q: Determine the ppm of K* ions in an aqueous solution, given that there are 0.300 g of KCI in 1,50 L o...

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Q: What is the hydronium and hydroxide ion concentration of pure water at 100°C? (Kw = 49 x 10-14) a. [...

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Q: In a calorimetry experiment, a student was studying the Reaction Systems table for the determination...

A: Heat capacity is the quantity of heat required to increase the temperature of an object or a materia...

Q: 5. For each of the following pairs of substances, identify the conjugate bases for each one and indi...

A: conjugate base is the substance formed when an acid loses a hydrogen ion. Considered a base because ...

Q: Calculate the percent composition by mass of each element (C, H, O, P) in methyl phosphate (CH5O4P

A: Determine mass % of each element in methyl phosphate ? 

Q: 2.48 The molar heat capacity of for temperatures in the range 300 to erate pressures can be approxim...

A: Number of moles = 2.00mol  Gas constant, R = 1.987cal/molK

Q: Determine the volume occupied by 4.26 grams of Carbon dioxide gas (CO,) at STP? * O 2.17 liters O 3....

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to ...

Q: A sample of Helium gas (He) contains 2.5 moles of He. What volume does this sample occupy at STP? * ...

A: We have to predict the volume at STP.  

Q: Experiment name : Heat of Combustion of benzoic acid and Naphthalene in Bomb Calorimetry Q1:Purpose ...

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Q: Reorder the following steps to the correct order of preparing a buffer.                            ...

A: ANS. Correct order of preparing a buffer is as follows:- 1. Calculate the mass required to prepare a...

Q: What is the ppm of 15 mg of NaCl crystals dissolved in 850 mL of distilled water?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: Direction: Draw the dipole moment vector for each molecules and identify whether the molecules are p...

A: Polar molecules are the molecules having non zero dipole moment and non polar molecules have zero di...

Q: 43 In titration reactions, what do you call the chemicals where the concentrations is unknown? Selec...

A: In titration reactions, the chemicals where the concentrations is unknown is called as 

Q: What is the freezing point of a solution in which 20.0 grams of sucrose (C12H22O12) is dissolved in ...

A: mass of sucrose = 20.0 g, molar mass of sucrose = 342 g mol-1  mass of water = 400 g = 0.400 Kg  Kf=...

Q: Using titration reaction employing normality concentrations, what is the design instrument mathemati...

A: since given in the question concentrations are taken in terms of Normality which is Normality = no. ...

Q: 4. 10.5 grams of BaCl2 is dissolved in 110 grams of distilled H20. Calculate the percent by mass of ...

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Q: CH3 A) addition B) substitution C) elimination Он D) rearrangement CH3

A: Addition reaction is a type of reaction in which there is addition of a molecule . Like when alkene ...

Q: Grams to Grams: Remember these equations use mole to mole ratio: 4. How many grams of butane, C,H10,...

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Q: The pressure arises when the rate of solvent from the pure solvent is equal to the rate of solvent i...

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Q: How would you synthesize the following alcohols, starting with benzene and other alcohols of six or ...

A: Answer of the question given below, 

Q: Which is the reductant and oxidant in the reaction? 2 KMNO4 + 5 C6H806+ 3 H2SO4 – 2 MnS04 + K2SO4 + ...

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and t...

Q: A 0.800 M HCl was diluted to a final volume of 500. mL . If the new concentration is 0.20M . What wa...

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Q: What will be the appropriate pH of a buffer prepared by mixing 100 ml of 0.1 M Na2HPO4 and 100 ml of...

A: amount of given concentrations salt concentration Na2HPO4 = 100 ml X 0.1 M = 10 mmol acid concentrat...

Q: 9) It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest waveleng...

A: Given,  Energy = 254 kJ/mol 

Q: It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoon...

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Q: equilibrium

A: In this question we have to explain why the molar solubility for the pure Ca(OH)2 solution differs f...

Q: Direction: Determine whether the following compounds are electrolytes or nonelectrolytes. Find the i...

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Q: Experiment name : Heat of Combustion of benzoic acid and Naphthalene in Bomb Calorimetry Q1:Purpose ...

A: In any reaction, conversion of reactant to product will undergo some amount of energy change. Genera...

Q: What is the pH of 0.78 HClO4? 3. Convert 1800 ppm of CuSO4 in percent by mass of CuSO4

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Q: Balance the following redox reaction in an acidic solution: VO43- + Fe2+ vO2+ + Fe3+ Ovo43- + 3H20 +...

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Q: Identify and name FOUR (4) functional groups that exist in structure below. CH2CH3 N. ČH=CHCH2CH3 CI...

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Q: HN-CO- Но- HO, ÇI Но- FHO- но- Но CI NHAC H H NH2 N. H H HN HOOC HO ÓH Он HO OH -HO- OH Teicoplanin ...

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Q: 5. Lead (Pb) is a heavy metal which has a leaching rate of about 0.0078 mg/L per year. Consider a la...

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Q: Compare intramolecular bonds and intermolecular forces. E.g., define each, and provide similarities/...

A: Intramolecular bond and intermolecular forces are various types of forces that acts within molecule ...

Q: a. 1-Methylcyclopentanol b. trans-2-Methylcyclopentanol

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Q: What is the [H30+] concentration in a solution that is 4.25x10^-4 M C6H5NH3+? Kb = 3.98 x 10^ -10

A: Given data, Kb of C6H5NH2 = 3.98*10-10  [C6H5NH3+]=4.25*10-4 M  Then, [H3O+]=? 

Q: Which of the following characterizations for cyclic ethers is INCORRECT ?     They are always aromat...

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Q: A 2.00 g alkali sample is dissolved and diluted to 100.0 mL. Titration of a 25.00 mL aliquot to the ...

A: A question based on environmental chemistry that is to be accomplished.

Q: For a saturated solution of Zn(OH)2, calculate the activity of Zn and its effective pH in: a)  a sol...

A:                              Zn(OH)2 (s) ⇔ Zn2+ (aq)  + 2OH- (aq) Initial                         --...

Q: In the laboratory, a general chemistry student measured the pH of a 0.377 M aqueous solution of trie...

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Q: 2. The concentration of of ozone (O3) in Beijing on a summer day (P = 101.325 kPa ; T = 30°C) is 125...

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Q: Draw structures corresponding to the following systematic names: (a) 4-Methyl-1,2-pentadiene (b) (4E...

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Q: When the skeleton oxidation-reduction equation     MnO4- + Br- ---------> Br2 + Mn2+ is balanced in ...

A: Given reaction:-  MnO4- + Br- ---------> Br2 + Mn2+

Q: -200 2 Fe + 0, →2 F 2C+02-2 CO -300 -400 -500 -600 -700 4/3 Al + 0, → 2/3 Al,0, -1000 -800 -900 -110...

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Q: 7) Determine the molarity of the following solution: 4.35 moles of KMNO4 are dissolved in enough wat...

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Q: What volume of 0.0125 M HBr solution is required to titrate 1.25mL of a 0.100M Ca(OH)2 solution? Ca(...

A: Given the chemical reaction of the neutralization reaction between calcium hydroxide and hydrogen br...

Q: 2. Convert 71.0 Pa to dyne/cm?.

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: Question 6 The equilibrium constant Kc for the reaction fructose-1,6-diphosphate = glyceraldehyde-3-...

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