Consider these reactions: Reaction 1: H2 (g) + Cl2 (9) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g) → 02(g) + 2 F2 (g) AH=-49.4 kJ Reaction 3: N2 (g) + 202 (g) → 2NO2 (g) AH = +66.4 kJ Reaction 2 can be described as an [ Select ] [ Select ] reaction

Q: Assuming the reaction goes to completion, how many moles of strontium fluoride should we expect to…

A: Given: Sr(NO3)2 + 2NaF → 2NaNO3 + SrF2 Concentration of: Sr(NO3)2 = 3.016M NaF = 3.644 M Volume of…

Q: Standardization of a sodium hydroxide solution against potassium hydrogen phthalate yielded the…

A: First we would write a reaction between KHP and NaOH. Then Calculate moles of KHP from given mass…

Q: Gold(III) chloride, AuCl3, has Kp = 3.2 x 10 25. Calculate the molar solubility of gold(III) .…

A: Since you have posted question with multiple subparts as per guidelines we can solve three per…

Q: alculate the weight of propane in a 5-liter steel cylinder at 125 °C and 100 atm pressure using the…

A: Given : We have to calculate the weight of propane gas.

Q: 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After…

A:

Q: concentration

A:

Q: A volume of 500.0 mL of0.110 M NaOH is added to 605 mL of 0.200 M weak acid (Ka=8.19×10−5). What is…

A: Balanced chemical equation: HA(aq)  +  OH−(aq)⟶H2O(l)  +  A−(aq) pH = pKa + log [A−]/[HA] pKa = -log…

Q: 6. Suppose 1.0 x 102 grams of ice absorbs 1255 J of heat, reaching a final temperature of -2.0°C.…

A: Given: The mass of ice = 1.0×102 g The amount of heat absorbed by ice = 1255 J The final temperature…

Q: Name the Alkane. Use the IUPAC System of Nomenclature

A:

Q: 3. Question (to be answered during the lab): How would you prepare 10.0 mL of a buffer with a…

A: Here we have to prepare 10 ml of a phophate buffer with concentration of 0.01M of pH=7.40 starting…

Q: 11.8) The most intense absorption band in the visible spectrum of [Mn(H2O)6]?+ is at 24,900 cm1 and…

A:

Q: linear reaction-time graph represents a:       Group of answer choices   1.Zero-order reaction…

A: The correct answer about reaction kinetics is given below

Q: Determine the pressure (in mmHg) for the nitrogen gas sample that is collected when 53.0 g of NaN3…

A:

Q: A 25.0g sample of copper at 25.0°Cis placed in 100.0 g of water at 40.0°C. The copper and water…

A:

Q: Why is the nucleophilic attack on halonium and mercurinium ions "SN2-like" and not simply SN2? Weak…

A:

Q: I Review I Constants I Periodic Table CaF2 MISSED THIS? Watch KCV 17.5, IWE 17.8; Read Express your…

A:

Q: 4. Which among the following refers to the value of internal energy. A 1025 J of heat energy is…

A: First law of thermodynamic says  Q = ΔE + W

Q: 1. Common impurity in solid sodium hydroxide.

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: (a) Calculate the partial pressure of each of the gasés in the mixture. PCHA atm atm atm (b)…

A: Mass of CH4 = 2.89 g  Mass of C2H4 =2.89 g Mass of C4H10 =2.89 g V = 1.50 L T = 150C = 288 K Number…

Q: Determine the heat of reaction for the oxidation of iron, 4 Fe(s) + 3 O2(g)  2 Fe2O3(s) given the…

A: The reactions given are, 1) 2 Fe (s) + 6 H2O (l) → 2 Fe(OH)3 (s) + 3 H2 (g)…

Q: *76. Using data from Table 16.3, calculate the concentrations of Hg²+(aq), HgCl*(aq), and HgCl2(aq)…

A: We have find out concentration of Hg2+, HgCl+ and HgCl2.

Q: Sodium hydroxide reacts with sulphuric acid to produce Sodium sulphate and water. To complete the…

A:

Q: For the reaction below, what can you conclude about the reaction? H2(g) + Br2(g) 22 HBr(g) K = 2 x…

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

Q: Name: 23. What is the energy change (in J) and wavelength (in nm) of light emitted when an electron…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: We must first calculate the mass defect (Am) for 5oFe. Since atomic masses (which include the…

A: Mass defect is the difference between the original atomic mass and the total mass of neutrons and…

Q: half-reaction standard reduction potential 2+ Zn (aq)+2e Zn(s) E =-0.763 V red HNO,(aq)+H (aq)+e…

A: Zn+2(aq) + 2e- ----> Zn(s) HNO2(aq)  + H+(aq) + e- ----> NO(g) + H2O (l)

Q: Given the following balanced chemical equation:                       Zn + 2 HCl → ZnCl2 + H2…

A: Given :-  Zn + 2 HCl → ZnCl2 + H2  Mass of Zn = 25.0 g  Mass of HCl = 17.5 g  To calculate :-  Mass…

Q: 4. Suppose 5 ml. of 1.5 M ethylene diamine is added to 50 mL of 0.15 M Ni solution in an identical…

A: Given: Concentration of ethylene diamine i.e. en = 1.5 M Volume of en solution taken = 5 mL = 0.005…

Q: Sketch a crude time-temperature graph for an endothermic reaction

A: Endothermic reaction: Endothermic reactions are chemical reactions in which the reactants absorb…

Q: Determine the percentage error and the concentration of the prepared NAOH given the following data.…

A: Given: NNaOH true = 0.045 N And the experiment data is,

Q: Arrange the freezing points of the following aqueous solutions from highest to lowest: 0.25 m…

A:

Q: CH3CH20CH2CH2OH H,C CH, C=C

A: 1) CH3CH2OCH2CH2OH  it has ether and alcohol group both are present . So it is ether and alcohol…

Q: What volume in mL of O2 gas collected over water is obtained from heating 852.7 mg KClO3 (122.55) at…

A: Given- Pressure =1atm Weight of KClO3=852.7mg=0 .5427g Temperature= 25°C=(273+25)K=298K

Q: Another physical property that is determined by the intermolecular forces is the states of matter.…

A:

Q: what is the density of g/L of helium gas at 200 C and 33.90 torr

A:

Q: •Example: A 0.040 M solution of an acid, HA, has a pH of 3.02 at 25 °C. What is the pK, for this…

A: Given that,  Concentration of acid, HA (C) = 0.040 M  pH of acid = 3.02  We need to find the pKa…

Q: What is the correct IUPAC name of the structure presented. (Follow this format “Branch-Carbon…

A: Given compound is :  Give the IUPAC name of the given compound = ?

Q: set of possible sets of quantum numbers for the electrons in the nitrogen atom.

A: Answer : electronic configuration of nitrogen 1S2 2S22P3  +1   0     -1

Q: calculate the % yield based on purified moclobemide assuming 4-(2-aminoehtyl)morpholine limiting…

A: Given: volume of 4-(2-aminoehtyl)morpholine = 1.5mL mass of purified moclobemide = 0.73g density of…

Q: Sketch a crude time-temperature graph for an endothermic reaction.

A: Endothermic reaction: Endothermic reactions are chemical reactions in which the reactants absorb…

Q: At a certain temperature, the equnbrum constant K for the following reaction is 1.2 Use thes…

A:

Q: Chemistry Rank the following in order of decreasing rate of effusion. F2              SF6…

A: Given: F2              SF6             H2              CO

Q: What is the Kgp of this salt at 25 °C?

A: Given ; value of solubility

Q: 4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The…

A:

Q: What is the pH of a 4.9 M solution of ammonium acetate, NH,CH3O2? Give your answer to two decimal…

A:

Q: Draw the conjugate base of C5F5H. Include lone pairs of electrons on all atoms. Add non-zero formal…

A: C5F5H — Pentafluorocyclopentadiene

Q: refers to the number of gram equivalents of solute per liter of solution. 2. The apparatus used to…

A: 1. It refers to the number of gram equivalents of solute per liter of solution. 2. The apparatus…

Q: In the following chemical equation, identify the Bronsted-Lowry acid and the Bronsted-Lowry base.…

A: Bronsted-Lowry acid — proton donar Bronsted-Lowry base — proton acceptor

Q: Chemistry I need help figuring out number 11, 12, and 13. Container 1 has V = 1.0 L and container 2…

A: Given: Two containers connected via a valve containing gas X and Y.

Q: Bể süre to specify states such as (aq) or (s). If a box is not needed leave it blank. When aqueous…

A: Given, aqueous solutions of ammonium carbonate and chromium(II) Iodide are combined, solid…