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Q: A tightly sealed 3.0-L flask contains 944 mm Hg of N2 at 124.0oC. The flask is cooled until the pres...

A: Volume of the flask, V = 3.0 L Initial Pressure, P1 = 944 mm Hg Initial Temperature, T1= 124˚C Final...

Q: when using the equation Q=It in electro chem, how do you find the Q value if not given t. Is it mols...

A: In the equation, shown in equation (1), t is defined by time duration for the current of I (in A), m...

Q: 63. Calculate ΔH°ΔH° for the process Sb(s)+5/2Cl2(g)⟶SbCl5(s) from the following information:Sb(s)+...

A: The required reaction is: The given reactions are:  

Q: Predict the major product.

A: The given reaction is represented as follows:

Q: Below is the structure of chloroquine. Circle the basic sites on the molecule.

A:

Q: Which of the following has the LOWEST boiling point? A) magnesium sulfate B) aluminum carbonate C) c...

A: Boiling point is the temperature at which the solid decomposes completely.Boiling point is different...

Q: How many grams of S are in 15.0 g of (C3H5)2S

A:

Q: Which of the following would you expect to be polar? Part A O CH3CH2CI П Сьо M NF3 П ВFЗ Submit Prev...

A: The ionic nature of compound induces polarity in the molecule and the polarity of molecule can be me...

Q: Calculate the pH of a solution made by mixing 200 mL of 0.100 M potassium formate with 50.00 mL of 0...

A:

Q: Give the IUPAC name for each compound.

A: (a) The given structure is, From the structure, it is clear that, The parent ring is benzene One i...

Q: Sodium trioxalatocobaltata(III) triahydate is prepared by the following reactions: [Co(H2O)6]Cl2+K2C...

A:

Q: 29. A 2.50-L volume of hydrogen measured at –196 °C is warmed to 100 °C. Calculate the volume of the...

A: The conversion of temperatures into Kelvin can be done as,

Q: Draw the tetrapeptide below out in full chemical structure by attaching the four amino acidsin order...

A: The given amino acids are: Tyr – Tyrosine Cys – Cystine Met – Methionine His – Histidine  

Q: Compare the magnitude of the attractive force for each of the following two ion pairs.(a) Cd2+ and O...

A:

Q: electiolyte. 65. Twenty-five milliliters of a solution (d = 1.107 g/mL) containing 15.25% by mass of...

A: (a) The reaction of barium chloride with sulfuric acid is, BaCl2(aq) + H2SO4(aq) → BaSO4(s) + 2HCl(a...

Q: Choose the member of each set that you would expect to be more soluble in water. Explain your answer...

A: The solubility of a compound depends on the intermolecular force of solute and solvent. Polar dissol...

Q: Chemistry Question

A: Given: Half reaction: Solution: Highest reduction potential=Cathode that undergoes reduction,MnO4 e...

Q: Give the hybridization for the O in OF2

A: Given: Hybridization of O in OF2

Q: A certain base has a Kb of 7.8 × 10-6 . What concentration of the base will produce a pH of 11.32?

A: Fristly we calculate the concentration of OH- from the pH : pOH = 14-pH  = 14-11.32 =2.68  [OH-]=10^...

Q: Chemistry Question

A: Osmotic pressure is that pressure which need to be applied on a pure solvent to prevent it from pass...

Q: For each bond, show the direction of polarity by selecting the correct partial charges. O Si-S O Si-...

A: The polarity of a molecule depends on the electronegativity of the bonded atoms in the molecule. The...

Q: Rank the following compounds in order of increasing acidity.

A: Acidic Strength can be checked by the stability of its conjugate base. As stability of conjugate bas...

Q: The brown gas NO2 and the colorless gas N204 exist in equilibrium, 2 NO2 N204. In an experiment, 0....

A: The given reaction is,

Q: At room temperature when HI (aq) is added to potassium bisulfite, KHSO3(s), sulfur dioxide is formed...

A: A reversible chemical reaction can move in either forward or backward direction. The stage of a reve...

Q: Consider the following data for the gas-phase decomposition of NO2: 2NO2 (9) → 2NO (9) + O2 (9) Temp...

A:

Q: Use the 'like dissolves like' to predict weather each of the following should be soluble in water. a...

A: (a) A solute can be polar or nonpolar, the polar solute normally dissolves in polar solvent and nonp...

Q: Concentrated sulfuric acid is 18 M.   What volume of H2SO4 is diluted with distilled water to prepar...

A:

Q: For the reaction CH4(g) + H2O(l) CO(g) + 3H2(g) if the system is at equilibrium and the volume of th...

A:

Q: For the following redox reaction, calculate E0cell, ∆G0rxn and the equilibrium constant, K. The reac...

A: From the reaction: Reduction Half Reaction is- Here, MnO2 is reduced (Cathode) and its E°MnO2+4H+/...

Q: Based on the following chemical reaction determine if H.CrrO is an acid or a base. determine if it i...

A: 15. According Bronsted acid-base theory, Acid is the substance which gives H+ ions. Base is the subs...

Q: 19. Explain how the volume of the bubbles exhausted by a scuba diver change as they rise to the surf...

A: The Boyle's law describe the relation of gas's pressure with its volume at constant temperature and ...

Q: What is the strongest type of intermolecular force present in N2? What is the strongest type of ...

A: Concept 1. ion-dipole forces: Ion-Dipole force is an attractive force that occurs due to the electro...

Q: Select the electrophile from which the major product is formed.

A: The given organic reaction is a Friedel-Crafts alkylation reaction which takes place in presence of ...

Q: What volume (in L) of a 0.10 M HNO3 solution is required to completely react with 25.0 L of a 0.20 M...

A: The reaction between NaOH and phosphoric acid is written below. Na2CO3 (aq) + 2HNO3(aq) ⟶ 2NaNO3 (aq...

Q: acidic solution. SO n.

A: Given equation:

Q: A reaction has a rate law of Rate = (1.25 M⁻²s⁻¹)[A][B]². What concentration of [B] would give the r...

A: Given, Rate = (1.25 M⁻²s⁻¹)[A][B]². [A] is 0.250 M  rate = 0.0815 

Q: 12.) How many aromatic compounds are in this group?

A: According to Huckel rule Aromatic compound are those compound where Molecule must be ring. All atom...

Q: Calculate Ecell for the following electrochemical cell at 25 °C Pt(s) | H2(g, 1.00 atm) | H*(aq, 1.0...

A: Given information,

Q: For titration, what is the purpose of a dropwise rate?

A: The purpose of titration to determine the concentration of unknown acid or base.

Q: Draw the Lewis Dot structure for the Cl2F + molecule

A: Lewis Dot structure of Cl2F + molecule:

Q: . Calculate the resulting pH when 1.00 L of 1.00 M H,SO4 is added to a tank containing 1.00 × 107 L ...

A: The dilution of base solution increases the volume of solution and also alter the molarity of soluti...

Q: NMR Spectroscopy Structure & reasoning

A: NMR spectroscopy is type of spectroscopy where the number and the type of hydrogen present in the co...

Q: Provide the missing structures to complete the synthesis.

A:

Q: Calculate [OH-] given [H3O+] = 6.7 * 10 ^-6 M

A:

Q: At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is solid. This is because of what...

A: The main reason of this is Intermolecular forces which is in this case vander wall force of attracti...

Q: What is the IUPAC name for (Ni(CO), (H,0),]Br2? nickel (1)trihydrotricarbonylbromide nickel(!)tricar...

A: Rules followed in the naming of coordination compound: In the naming of coordination compound, the ...

Q: 35.  What is the maximum mass of carbohydrate in a 6-oz serving of diet soda that contains less tha...

A: Given: Average number of Calories for carbohydrate =4.1 Calorie/g

Q: What volume of 0.25M NaOH contains 0.050 mol NaOH

A: Given information,      Concentration of NaOH is 0.25 M.      Moles of NaOH is 0.050 moles.

Q: This is a 3 part question 10mL of 1M silver nitrate is combined with 25mL of 0.1M sodium chromate. W...

A: In aqueous solution, the available charged species like cations (+ve ions) and anions (-ve ions) com...