Figine A H 4-3 H 며 B 정 NH2 + Nitz C H NH2 NHz

Q: A 25.0 mL volume of HCI solution of unknown concentration is titrated with a 0.178 M NaOH solution.…

A: Volume of HCl solution,V1 = 25 mL Volume of NaOH solution,V2 = 16.6 mL Concentration of NaOH…

Q: For the equilibrium 21Br(g) = 1₂(g) + Br₂(g), Kc = 8.50 × 10 at 150°C. What is the equilibrium…

A:

Q: The resonance form that results from the curved arrows drawn in the figure is

A: Given : structure of molecules

Q: Calculate the amount of heat needed to melt 187. g of solid ethanol (CH,CH,OH) and bring it to a…

A: Given: Mass of ethanol = 187 gm Final temperature= —61.6°C Specific heat capacity of ethanol = 2.46…

Q: Draw the electron-flow arrows that lead from starting materials to products in this acid–base…

A: A Lewis acid is an electron pair acceptor. The electron pair donor is known as a Lewis base. Lewis…

Q: What are the master formulae for the manufacturing of Bike or car washing shampoo?

A: We need to write the master formulae for the manufacturing of Bike or car washing shampoo.

Q: What kind of intermolecular forces act between a neon atom and a carbon dioxide molecule? Note: If…

A: Given : carbon dioxide molecules

Q: Heparin is a blood-thinning drug (prevents coagulation). Heparin is broken down by the liver, and…

A: In the given question, half life of heparin is given and rate law is given. We have to find the rate…

Q: Ethanol (C₂H₅OH) has a vapor pressure of 93.0 torr and a density of 0.785 g/mL. Pentane (C₅H₁₂) has…

A:

Q: Design a flow chart for the separation of 3-chloro aniline (a base) and benzophenone (a neutral…

A: Introduction Separation techniques in organic chemistry are a specialized set of techniques used to…

Q: H-NN: imidazole

A: In order to determine the hybridization of the nitrogen atom and position of the lone pair, it is…

Q: What is the formula for the ionic compound containing calcium ions and nitrate [NO3-] ions?

A: Calcium ions  are positively charged ions having +2 charge and nitrate ions are negatively charged…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 68°F 1 OH Na2Cr2O7 H2SO4, H₂O

A: Introduction Oxidation of alcohol is a chemical process that involves the conversion of alcohol into…

Q: In a saltwater solution (NaCl in H2O), which of these components is the solute? Which is the…

A: Solute : The substance which is usually a solid  that is dissolved in a solution is called a  solute…

Q: O 1) 2)H* MgBr

A:

Q: What is the molality of a 32.5% HCIO4 solution? The density of this solution is 1.67 g/mL. 5.40 m…

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Q: ACO с Н. дод perts с H D CH3

A: first ethyne is dimethylated then reduction by Lindler catalyst and hydrogen gas leads to cis alkene…

Q: Give the major product(s) and mechanism for the following reaction (if more than one major product,…

A: The product formed when Phenol reacts with concentrated H2SO4 is majorly depends on the temperature…

Q: Give typed solution The vapor pressure of acetone at room temperature is 180 mm Hg. If a large,…

A: Given  Vapour Pressure of acetone is 180 mm Hg

Q: 17. If you dissolve 20.0 grams of glucose (C6H1206) in 500.0 mL of water, what will its osmotic…

A:

Q: What is the molarity of a 32.5% HCIO4 solution? The density of this solution is 1.67 g/mL. 4.79 M…

A:

Q: oules to condense 121g of steam at 100 degrees celsius and to cool the liquid to 20.0 degrees

A: The above question asks for the calculation of the energy required to condense 121 g of steam at 100…

Q: Water has a vapor pressure of 18.0 torr and a density of 0.997 g/mL. Acetone (CH3COCH3) has a vapor…

A:

Q: bomb calorimeter that has a heat capacity, C, of 6.50 kJ K-¹, which causes the temperature to…

A: A 1 gm sample of Seaweedies, a popular snack food, is burned in a bomb calorimeter that has a heat…

Q: Draw all the lone pairs and p bond electrons in the orbitals provided in the valence bond orbital…

A: Imidazole is the five membered nitrogen containing heterocyclic compound. Imidazole is aromatic…

Q: 1. Draw in all hydrogen atoms in the chemical structure. Remember that there are always four bonds…

A: " Since you have posted a question with multiple subparts, we will solve the first 3 subparts as per…

Q: Given the reaction: A₂+ B A + AB Ke For each initial reaction mixture (1), (2) and (3) shown below,…

A: Answer: In these questions we will calculate the value of reaction quotient Q from pictorial…

Q: True or False? Circle your answer. a. A resonance hybrid is a structure with equal contribution from…

A: Answer: Resonance is a phenomenon that is used to explain the stability of certain unsaturated…

Q: Use the following chemical equation to answer the question.   4K(s) + O2(g) → 2 K2O(s) If a staff…

A:

Q: Write the IUPAC names for the molecules below

A: 1) 3-ethyl-4-methyl-heptane 2) 3-cyclopropyl-4-ethyl-heptane

Q: How much energy does it take to heat 818.3 g of water ice from -18.87 °C to 115.3 °C?

A: We need to find how much energy does it take to heat 818.3 g of water ice from -18.87 °C to 115.3 °C

Q: 1) 1/2 N2 (g) 6.96 x 10-16 2) 2 NO2 (g) 4.5 x 10-13 + 1/2 02 (g) NO 2 NO ← (g) Keg (g) + O2 (g) 3) 2…

A: The given equilibrium reaction is as follows: (1)   12N2(g) + 12O2(g) ⇌ NO(g)…

Q: What is the mass % of roses in a bunch of flowers that contain: 10 yellow roses, 5 red roses, 15…

A:

Q: A solution of HNO, is standardized by reaction with pure sodium carbonate. 2H+Na₂CO, 2 Na+ + H₂O +…

A: According to the question, The volume of the HNO3 solution is given by = 27.42±0.05 mLThe mass of…

Q: Which of the following is the correct equilibrium expression for the reaction below? NH2CONH2 (aq) +…

A: Introduction An equilibrium expression is a mathematical expression that describes the ratio of…

Q: What is the ppm concentration of a 1.50-L solution that contains 0.44 mg Cd²+? 0.83 ppm 0.29 ppm…

A:

Q: 5)a) Lattice constant of FCC is 4.25 Å. Determine a) Volume density of atoms b) Surface (or Planar…

A: a)The volume density of atoms in an FCC lattice is given by: n = N / V

Q: Describe the challenges involved in qualitative analysis. Despite the challenges, do you think this…

A: Qualitative analysis is the branch of analytical chemistry that aims to identify the presence or…

Q: How many mL of an 1.15 M KOH solution contain 0.665 mol of KOH? 765. mL 0.578 mL 578. mL 0.765 mL…

A:

Q: 2. How many hydrogen atoms are in the structure? 3. The total number of hydrogen atoms in the…

A: " Since you have posted a question with multiple subparts, we will solve the first 3 subparts as per…

Q: Two gases were allowed to react in a chamber. SO2 gas (0.2 M) and O2 gas (0.2 M) were reacted at…

A:

Q: Which set of quantum numbers cannot be correct?       A.   n = 1, l = 1, ml = 1     B.   n = 2, l…

A: for principal quantum number n, azimuthal quantum number (l) values can be integers from 0 to n-1.…

Q: 6. N-H + Kolt ~NH₂

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: The enthalpy change for the following reaction is given below. Pb (s) + CO2 (g) → PbO (s) + CO (g)…

A: We have to use the formula- ∆Horex=∑n∆Hoproduct-∑n∆Horeactant for the reaction Pb(s) + CO2(g) → PbO…

Q: A sample of an ideal gas in a cylinder of volume 3.02 L3.02 L at 298 K298 K and 2.99 atm2.99 atm…

A: According to the question, Path A and B can be represented as,   For Path A,Given,P1=2.99…

Q: C. O

A: Resonance : Only movement of electrons in the structure of the compound, all the atoms are always…

Q: Suppose i want to prepare/ manufacture a 20 litter of a shampoo used in car or bike wash, what are…

A: Solutions- Preparation method of shampoo.

Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0∘C and 217.0 Torr at 45.0 ∘C.…

A:

Q: How many mL of a 19.0 M NaOH solution is needed to make 250.0 mL of a 0.125 M? 25.0 mL 3.52 mL 2.75…

A: The given data is as follows: The concentration of stock solution M1= 19.0 M The volume of stock…

Q: A certain reaction is known to have an activation energy E,-8.0 kJ/mol. Furthermore, the rate of…

A: Answer: These question are based on Arrhenius equation that gives us relation between rate of…

Analytical Tools

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