HBr 60 °C 1

Q: a) Draw in all the hydrogens. i) b) Write the molecular formula. ii) @ = CI -CI

A:

Q: 10. Use the following equation answer the questions below. Mn(s) + Sn(NO3)2(aq) → Sn(s) +…

A:

Q: 1. When 145.6 J of heat are added to 13.0 g of mercury in a thermometer, the temperature increases…

A: Here we have to determine specific heat of  mercury if 13 g of Hg absorbed 145.6 J heat energy so…

Q: Which of the following is a correct product of reduction of Ag+(aq)? A. 1 electron B. Ag (s) C.…

A: Oxidation can be defined as process of loss of electrons and redox reactions are oxidation reduction…

Q: Q1:Find the weight of the following petroleum sample using the following information: API Pycnometer…

A: API gravity is a widely used method for the calculation of the density of crude oil or crude…

Q: Calculate the pH of a buffer solution using the Henderson-Hasselbalch equation.

A:

Q: Addition of manganese chloride to a saturated solution of silver (1) chloride causes a/an_______ in…

A:

Q: A particular beer is 6.50% ethanol by volume (C₂H₂O). If a single bottle of beer contains 750.0 mL…

A:

Q: Calculate the freezing point of a 0.125 m solution of a nonvolatile nonelectrolyte solute in water.…

A: Answer: The final freezing point of the solution is -0.2°C

Q: fill in the blanks to balance the equation ___ CO2 + ___ H2O

A:

Q: Bovine serum albumin (BSA) is a biochemically useful protein. A 0.303 g0.303 g sample of bovine…

A:

Q: Ate Shawol and Concertina performed electrolysis to determine the identity of an unknown metal X.…

A:

Q: Chemistry 1) Using the (E)-(Z) designation [and in parts (e) and (f) the (R)-(S) designation as…

A:

Q: Directions: Solve and show your solution. Write the interpretation of your answer. 2.) What is the…

A: At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration…

Q: D O Na'

A: Given question is based on the IUPAC nomenclature of the compound.

Q: 2.- A sample of the compound responsible for the pungent odor of rancid butter containing only H, C,…

A:

Q: The solubility of Ca(OH)2(s) is equal to: A. [Ca2+] B. [OH]/2 C. All of the above D. None of the…

A: The equilibrium between the soluble ions and insoluble salt can be described by the solubility…

Q: 5. Determine the volume occupied by 0.0582 moles of air in your lungs if the air is at 37°C and the…

A:

Q: What quantity in moles of CH₃OH are there in 150.0 mL of 0.210 M CH₃OH?

A: Given, Molarity of CH3OH solution = 0.210 M = 0.210 mol/L Note: 1000 mL = 1 L Volume of a solution =…

Q: Question 8 . An ion has a 3+ charge, 25 electrons, and a mass number of 53. What is the symbol for…

A: ->Number of proton = atomic number  ->Number of proton = number of electrons (for neutral…

Q: 2. a) Write the spontaneous half-reactions and the overall reaction for the following proposed cell…

A: Here we are required to find the cell potential of the given electrochemical reaction

Q: ) O=C-CH2-CH Jo-CH2-CH2 C=C-CH₂-CH₂ C-CH₂=CH

A: The partial structure for a doublet integrating to 2H at 2.3 ppm is

Q: The hydroxide ion concentrations will need to be determined to use later in the calculations. The…

A:

Q: What other types of analgesics are on the market? How does their action compare with aspirin and…

A: Analgesics are simply pain reliever or pain killer drugs. There are so many analgesics in the market…

Q: Question 8 . An ion has a 3+ charge, 25 electrons, and a mass number of 53. What is the symbol for…

A: We have to fill the boxes with the correct answer

Q: At a certain temperature the rate of this reaction is second order in NH, with a rate constant of…

A:

Q: uppose a chemical engineer studying a new catalyst for the reform reactio n at 232, "C and the…

A:

Q: 50.00ml of 1.000M sodium benzoate is titrated with 2.000M HCl. (a) What is the pH at the…

A: #(a): Given the volume of 1.000 M  sodium benzoate, C6H5COONa(aq) taken = 50.00 mL  mmoles of sodium…

Q: 2. Mercury (II) oxide is a reddish mineral that is used as the cathode in mercury batteries. It is…

A: In the above question the heat energy require to prepare 2 mole Hg have given . We have to calculate…

Q: deliver 8.0 g of solute?

A: %w/v is weight per unit volume %w/v = (weight/ volume ) * 100%

Q: 5. Are the functional groups in the following two molecules the same? Why or Why not? Not the same…

A: Answer : In a and b both the functional are not same. a) Functional group is ester. b) Functional…

Q: 10. For the reaction A + B → C + D, which diagram below would best represent the rate of formation…

A:

Q: The mass in grams of 2.0x10-2 moles of C6H12O6

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

Q: erentiate between El and E2 reactions by giving one example of each. EI E2 d) Draw the molecular…

A:

Q: When 3.69 g3.69 g of a nonelectrolyte solute is dissolved in water to make 425 mL425 mL of solution…

A:

Q: d. Determine the pH. What is the activity in kilocuries, of a 0.75-gram sample of krypton-85? The…

A: Given-> Weight (w) = 0.75 gm Half life (t1/2) = 10.73 years = 10.73 × 3.15 × 107 sec t1/2 = 33.8…

Q: The reaction Crienly(aq) + 6 NHylaq)- Cr(NH₂l(aq) 3endag) where en represents ethylenediamine, is…

A:

Q: Predict whether the entropy change of the system in each of the following is positive or negative.…

A: Given that -  N2 (g, 10 atm) -----> N2 (g, 1 atm)    Entropy is the randomness or disorder of…

Q: Define both elementary and non-elementary reactions. For the former, describe how we write reaction…

A: given elementary or non-elementary reaction

Q: 9. Given that Agl would precipitate first than AgCl in a solution containing equimolar…

A:

Q: 4. A saturated solution of a metal hydroxide with the chemical formula X(OH)2 was filtered and 25.00…

A: Given that,  The volume of the X(OH)2 is Vb = 25.0 mL, The volume of the HCl solution is Va = 3.10…

Q: 1. How many grams of Ca (OH)2 do you need to prepare a 250 mL of 0.2M solution. Calculate mol wt. of…

A: Here, we have to calculate the mass of Ca(OH)2 that is needed to prepare a 250 mL of 0.2 M solution…

Q: how is mass spectrometry important in biology?

A: In this question we will answer how mass spectrometry is important in biology. How it is useful, its…

Q: The following data were obtained for the follwing chemical reaction: 2A + 38 ---> 2C + D Trial #…

A:

Q: Chemistry Assume that we have a certain biogas the consists of 66% methane (CH4) and 30% carbon…

A: Solutions- Given data-certain biogas that consists of 66% methane (CH4) and 30% carbon dioxide…

Q: 2. Complete the balanced equation for the following reaction. Write the total lonic and net-lonic…

A: Sodium carbonate reacts with hydrochloric acid to form sodium chloride and carbonic acid. The…

Q: Given that Agl would precipitate first than AgCl in a solution containing equimolar concentrations…

A: Given that AgI precipitates first followed by AgCl in a solution containing equimolar…

Q: 5. The mass of metal deposited by the electrolysis of an aqueous solution of metal ions increases in…

A: This problem can be solve by using farradey first  law of electrolysis. According to this law mass…

Q: Select the arrow drawing that best shows protonation of an alkene. O O ii O iii iv H-CI: H-CI: ci :…

A: Given,  The arrow drawing that best shows protonation of alkene is:

Q: 6. How many oxygen atoms are there in 2.5 g of oxygen gas? a. 2.4 x 1022 b. 4.7 x 1022 c. 9.4 x 1022…

A: