. At elevated temperatures, molecular hydrogen and molecular bromine partially react to form hydrogen bromide: H2(g)  +  Br2(g)   ---------  2HBr(g) A mixture of 0.682 mol of H2 and 0.440 mol of Br2 is combined in a reactor with a volume of 2.00 L. At equilibrium at 700 K, there are 0.566 mol of Br2 present. At equilibrium, the moles of Br2 present in the reactor are: A) 0.000 B) 0.440 C) 0.566 D) 0.232 E) 0.324

Q: When studying a 1st order reaction, you measure the concentration of the reactant at two times. at…

A: Answer: Integrated rate law for first order reaction is: k×t=2.303loga0a Here: k=rate…

Q: 1. Arrange the halides tested in order of decreasing reactivity toward Ag^ + (S N 1) 2. Explain…

A: GIVEN: 1. Arrange the halides tested in order of decreasing reactivity toward Ag^ + (S N 1) 2.…

Q: QUESTION 4 MgtOH)2 reacted with dilute hydrochloric acid as following equation. Mg(OH)2(s) +…

A: Given, Mg(OH)2(s) + 2HCl(aq) → MgCl2(aq) + 2H2O(l) concentration of HCl solution = 0.5 M = 0.5 mol/L…

Q: Exercise// A sample consisting of 2.00 mol of perfect gas molecules, for which Cy,m=5/2R, initially…

A:

Q: What is the mass percentage of O in C3H8O2?

A:

Q: For the following redox reaction: Fe2* (aq) + Mg (s) = Mg²* (aq) + Fe(s) a. Identify the oxidation…

A:

Q: HC-CH-OH The mass spectrum below most likely belongs to which structure? Explain your answer. 45 100…

A: In mass spectrometry ,the molecule is breaked into fragments and m÷ z value is measured.

Q: Mass Na CO3 Vi HC1,mL 0.00 0.10 Vf HC1,mL 36.75 Trial VHC) used, ml MHCI 1 0.2135 0.2025 0.2112…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: Give the relationship between the two sets of compounds below. (enantiomers, diastereomers, meso,…

A:

Q: 3. A tire has a pressure of 1.8 atm at 20 degrees Celsius. At the end of a long trip, the tire…

A:

Q: Answer the following questions by circling the most correct answ owing .. The relationship between…

A:

Q: There are two containers, container A with volume 3.0 L and container B with volume 1.0 L…

A:

Q: The molar solubility of is CaF2 2.14 x 10* mol/L. Calculate the KSP value for CaF2 +2 CaF2(s) =…

A: Given-> Molar solubility (s) = 2.14 × 10-4 mol/L

Q: What is the final temperature (in K) of a gas that initially has a pressure of (2.3200x10^0) atm at…

A:

Q: student is making a solution of sugar in water. If the student uses 0.85 moles of sugar and enough…

A:

Q: A. Calculate the molality, freezing point, and boiling point for each of the following water…

A:

Q: What tends to naturally happen to the level of entropy in a system? A. become zero B decrease…

A: Entropy is the measurements of randomness.

Q: Br Ph3Sn O3 K AIBN then NaBH4 Identify compounds J and K. Draw a curved arrow mechanism that…

A:

Q: Poopose mechanlom for following transpormation ?

A:

Q: A 0.25 aqueous solution of a weak acid has a pH=3.65 at 25 degrees C. What is the value od Ka?

A:

Q: Write the complete ground-state electron configuration of B. 1s22s 2p 3s 3p 33d 04s 4p 4d 04f 5s…

A:

Q: What would the quality of the line-fit (R² value) be if you do not exclude experimental outliers?…

A: In statistics, an experimental outlier is a data point originated due to experimental errors which…

Q: Select a bond/interaction that is NOT a "weak" interaction from the following list. O a. Hydrogen…

A: an atom or molecule can show different types of  intermolecular or between the atoms or between the…

Q: researcher is using 7.20 x 1023 molecules of chlorine gas (Cl2) in an experiment. How many grams of…

A: Number of Molecules = 7.20 ×1023  Moles = Number of molecules/6.022×1023 = 7.20 ×1023/6.022×1023 =…

Q: Chemistry Question

A:

Q: 1. A solution is prepared by dissolving 24.0 g of sucrose in 175 g of water. Calculate the boiling…

A:

Q: 10. For the Tollowing, uSE UND a) Write out 6 completely different reactions of 3-pentanone…

A: Here the key functionality is ketone and the carbon atom present in it is very much facile towards…

Q: The molar solubility of is PbCl, 3.7 x 10 mol/L. Calculate the KSP value for PbCl, P6CI2(s)= Pbaq) +…

A:

Q: A 1.80 m3 container holds a sample of O2 gas. At 299 K the pressure of the container is 1.06 x 105…

A:

Q: 12. Which alcohol would you expect to react with PB13? A. CH;CH2OH (Primary alcohol) B. (CH3);COH…

A:

Q: Calculate the pH of a 0.50 M solution of sodium cyanide (NaCN). The K, of HCN is 4.9 x 10 10.

A: A strong base and weak acid react to form salt and water. The salt will be basic in nature and the…

Q: Using VSEPR theory determine and draw the shapes of the following molecules. Include dash and wedge…

A:

Q: The pressure of O2 in a 12 L flask is 770 mm Hg at 83° C. What is the mass of O2 in grams?

A:

Q: Determine the boiling point elevation for a solution prepared by dissolving 125 g of a…

A:

Q: Calculate the molality of an aqueous solution of 1.22 M sugar (C12H22O11) solution (density of…

A:

Q: Group work H.W) 20.8 kJ of heat energy is required to raise the temperature of 2 kg of lead from…

A:

Q: e uranium decay series from U-238 to stable lead (Pb-206) is: U → 234Th → 234Pa → 234U → 230 Th →…

A:

Q: Give the IUPAC names of the following(skip e) CI 2-chloró-4-ethylheptane a) b) c) d) = f)

A: IUPAC name are as follows:

Q: How would you name the compound shown below? Choose the BEST answer. H. H. H H. | | | Н— С—С— с— с…

A:

Q: Which of the following is the correct equilibrium law for the reaction below? 4Cr(s) + 3CC,(@ =…

A: In this question we have to write equilibrium constant expression for the given reaction.

Q: The following information is given for antimony at 1atm: AHvap (1440.00°C) = 1.605 × 10° 1/g AHfus…

A: Answer: It is a three step process 1. Cooling of liquid antimony to its freezing point 2. Freezing…

Q: Explain why the chemical displacement value in 1H-NMR of alkyn protons comes out between 2.5 - 3.1…

A:

Q: what is the molarity of a 5.5% m/v solution of glucose? What is the molarity of a 5.5% m/v solution…

A: Molarity is defined as the number of moles of solute present per liter of the solution.

Q: 11. Calculate E°cell and indicate whether the overall reaction shown is spontaneous or…

A: Given: EI2|I-o=+0.53 VECr3+|Cro=-0.74 V

Q: Examine the structure of the chemical compound below. Circle the functional group that is also…

A:

Q: A pentacoordinate carbon is a transition state in the mechanism. Seleccione una: ОА. Е2 O B. SN2 С.…

A: In this question, we have to choose the correct option in which there is a transition state of a…

Q: Question 12: Which of the following are uses of TLC? to determine purity of the product to determine…

A: TLC :- TLC is a chromatography technique called Thin-layer chromatography used in qualitative and…

Q: d. 200 mL of 5.00% (w/v) aqueous BaCl2 from a 0.300 M BaCl2 solution. e. 2.00 L of 0.500 M HCIO,…

A:

Q: What is the pH of a 0.015 M aqueous solution of barium hydroxide? A) 12.18 B) 12.35 C) 1.82 D)…

A:

Q: Enumerate at least 2 specific biological applications of precipitation titration and discuss each.

A: The correct answer is given below