d. Br

Q: Determine the mass, in kg, of HgO that must decompose to form 78.4 L O2 gas at STP.    2HgO(s) →…

A: To solve this problem we have to calculate the mass of HgO .

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Which is a dehydrating agent in the preparation of Pyroxylin USP?     H3BO3     HCl     H2SO4…

A: The process of removal of fixed mole of water molecules from hydrated compounds is known as…

Q: For the reaction 2Na+Cl2--> 2NaCl, what is the mass in grams of NaCl that can be made by reacting…

A: Given-> Weight of Na = 12.0 gm Weight of Cl2 = 12.0 gm

Q: waLLESS Important values if needed for this question. Using the values of bond energy from the table…

A:

Q: Balance the following equations. (Use the lowest possible whole-number coefficients. These may be…

A: we have to balance the given equation and determine the coefficients

Q: Which of the following would be expected to have the HIGHEST heat of vaporization? Ethanol (BP =…

A: The energy required to transfer a given amount of liquid into a gaseous state is known as the heat…

Q: 6) Consider the reaction for 6a and 6b: N₂O4 (g) 2 NO₂ (g) Kc = 0.355 a. A reaction mixture at 100…

A: The given reaction is - N2O4 (g)⇔2NO2(g) The expression for Kc is written as- Kc=0.355 =[NO2]2[N2O4]

Q: Using Eºcell, choose all the reactions that are spontaneous. 2Fe2+ (aq) (aq) + Cl2(g) → 2Fe³+ (aq) +…

A:

Q: 3. A 500.0 mL lead (I) nitrate solution contains 15.5 g lead( (1) nitrate. a. What is the…

A:

Q: The chemical reaction shown was performed and the concentration of HCI was measured over time.…

A: Given reaction: Cl2(g) + CHCl3(g) → HCl(g) + CCl4(g) The [HCl] after 23 s = 0.049 mol/L The [HCl] of…

Q: 2. Describe in words and using calculations how you would prepare 475 ml of a 0.40 M…

A:

Q: 1. Solve the following queries (parts a), b), & c)) dealing with volumetric analysis. Make sure you…

A: (a) First determine the amount of H2SO4 in the solution. Three chemicals were reacted together, HCl,…

Q: For a standard voltaic cell comprised of a Cu2+|Cu electrode and a Fe3+|Fe2+electrode, what is the…

A: In voltaic cell, a spontaneous reaction occur. Greater the value of standard reduction potential of…

Q: compound D and E inhibits hydrolase hydrolyze A to B and C. write a mechanism for hydrolase…

A: We need to determine why Compound D and E inhibit hydrolase hydrolyze and mechanism for the…

Q: A 10.0-g sample of C2H5OH is burned completely in air. How many moles of H2O are formed? How many…

A: Since, Combustion reaction takes place in the presence of oxygen. It react to form carbon dioxide…

Q: 4. How can you tell whether a given chemical is an electrolyte or not, looking at its formula?

A:

Q: What is the cell notation for the cell comprised of the Cu2+|Cu electrode and the Fe2+|Fe electrode?

A:

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: In an organic reaction mechanism, a curved arrow represents the transfer of electrons. In an organic…

Q: Which of the following compounds are chiral? Draw each compound in its most symmetric con-…

A: Before solving the questions, we need to know few important definitions which are as follows:…

Q: Assign oxidation numbers for each of the elements participating in this redox reaction. MnO4- (aq)…

A:

Q: Drew a Lewis dot structure for CaCO3. Example of how to draw is attached.

A: We need to draw the Lewis for structure of CaCO3. Here, CaCO3 is ionic compound and cation is Ca2+…

Q: What volume (in liters, at 388 K and 5.19 atm) of chlorine gas is required to react with 6.54 g of…

A: According to the stoichiometry of the reaction, 2 moles of phosphorus react with five moles of…

Q: A solution of Na₂CO3 is added dropwise to a solution that is 0.0494 M in Y3+ and 0.144 M in Cd²+.…

A: [Y3+ ] = 0.0494 M [Cd2+] = 0.144 M

Q: Give the number of lone pairs around the central atom and the molecular geometry of XeF4. Group of…

A: Since, According to the VSEPR theory, steric number (which represent hybridization) is the…

Q: Write the net equation (showing all work) for the neutralization reaction of aqueous H2SO4 and…

A:

Q: Tell whether each of the following reactions is likely to be SN1, SN2, E1, E1cB, or E2: (a)…

A: The given reaction can be explained as:

Q: nsider the reaction: Ca(s) + 2 H₂O(l) → Ca(OH)2 (aq) + H₂ -285.83 -1002.82 C 69.95 -74.5 130 ƒH°…

A:

Q: 17. A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M Ca(OH)2 in a large…

A: A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M CaOH2 solution .The…

Q: What are chemical shifts below

A: The chemical shift is the resonance frequency of an atomic nucleus in relation to a standard in…

Q: Indicate the electron pair geometry and the molecular geometry for each of the six compounds.…

A: The arrangement of atoms with in a molecule relative to a single central atom is known as molecular…

Q: In acidic solution, the nitrate ion can be used to react with a number of metal ions. One such…

A:

Q: 4. (a) Chemical shift (8) value of CH and CH3 proton in [Al(acac)3] are 1.99 and 5.47 ppm,…

A:

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: Given : structure of reactant and product

Q: 190.20 190 180 159.87 170 160 136.49 134.29 132.21 128.70 - 150 140 130 120 113.85 110 100 90 80 70…

A:

Q: onsider the titration of 40.0 mL of 0.0600 M C-H5N (a weak base; Kb = 1.70e-09) with 0.100 M HCIO4.…

A:

Q: How much heat is produced when 33.9 g of NO2 react?

A: Given : mass = 33.9 g

Q: 1. What are the principal metabolic functions of Cl+, Na+, K+, Ca+, Mg²+, and HP0²¯?

A: •Here I am mentioning principal function of these electrolytes one by one:- •Cl- Electrolyte:- It is…

Q: voltaic cell similar to that shown in the figure above is constructed. The electronic device shown…

A:

Q: Please help explaining this one. For 270.0 mLmL of a buffer solution that is 0.270 MM in CH3CH2NH2…

A: Given -> Volume of buffer = 270 ml = 0.270 L (1L = 1000ml)  Molarity of  CH3CH2NH2=0.270M…

Q: Calculate the standard enthalpy of formation of liquid nitric acid (HNO3) using the following…

A:

Q: In general, automobile engines are connected to a lead-acid accumulator. During discharge, the…

A: We are give an chemical reaction which occurs and lead acid accumulator and asked to calculate its…

Q: P23.14 What is the electron configuration corresponding to O2, O2, and O2? What do you expect the…

A:

Q: If there is a titration of a 25.0-mLmL sample of 0.110 MM HC2H3O3(Ka=1.8×10−5) with 0.125 MM NaOH.…

A: we have to calculate the pH of the solution beyond equivalence point

Q: y the fan cens 23. Consider the standard reduction potentials V for the reactions below. Zn (aq) →…

A: we know, in a galvanic cell, oxidation takes place on the left-hand side which is the anode and…

Q: 7. If the values of Ao and k are 10 mol/L and 1x10-³ L mol/s, respectively, how long would it take…

A: Given that,  The initial concentration is [A0] = 10 mol/L, The rate constant is k = 1×10-3 L/mol.s,…

Q: If you excite hydrogen, it gives off a pink colored light as electrons fall back to its ground…

A: When a hydrogen gas is enclosed in a discharge tube connected to electrodes at low pressure, there…

Q: Find the elements that have an orbital with 1 unpaired electron in the electron configuration? B Se…

A: Here the elements are boron(B) , selenium (Se) and bromine (Br) .  If electronic configuration of…

Q: inorganic lab. Sketch the structure for the two cobalt amine complexes. How does the conductivity…

A:

Q: Choose all of the statements from below which are true about oxidation and reduction. Oxidation and…

A: we have to determine which of the given statements is true