12

Q: please check answer. thank you!

A: Given :- number of moles of NO = 7.0 mol                number of moles of O2 = 5.0 mol  To calculat...

Q: Write the chemical formulas for the following binary molecules:  (just type in subscripts as numbers...

A: Chemical formula can be defined as the way of representing the proportion of atoms present in the mo...

Q: Given the following information, find the lattice enthalpy (kJ/mol) of NaCl(s).   ΔHf (NaCl) = -411 ...

A:

Q: A 4.70 g nugget of pure gold absorbed 279 J of heat. The initial temperature was 29.0*c. What was th...

A: The answer to the following question is-

Q: Which of the following statements is (are) true? (Select all that apply.) If equilibrium constants f...

A: A reaction is said to be equilibrium if the concentration of reactants and the concentration of prod...

Q: Write the molecular formula of X? .

A: This is a emperical formula and molecular formula determination type  problem. Details calculation i...

Q: The Robinson anmulation is a combination of two carbonyl coupling reactions, the Michael reaction an...

A: Robinson annulation is an organic synthesis where one of the reactants is α,β-unsaturated ketone. In...

Q: If 56.1 grams of NaCl are dissolved in 44.0 mL of Sulfuric acid, H2SO4 Sulfuric acid has a density o...

A:

Q: ive the configuration of the substituents around double bond Cin the structures below: B CH CH3 HO-C...

A:

Q: Oxygen gas can be prepared by heating potassium chloride according to the following equation: 2KClO3...

A: The chemical equation involved in this reaction: 2KClO3(s) → 2KCl(s) + 3O2(g) The given information ...

Q: The half-life for a first-order reaction, A→B is 9.79 s. If the initial [A] is 0.75 M, how long will...

A: This question is related chemical kinetics. First contain all the given information. Then apply the ...

Q: Acid Base Equilibria and Salt Equilibria What is the solubility product constant of silver iodide wi...

A:

Q: to access important values if needed for this question. Enter electrons as e". The following skeleta...

A: The given chemical equations are: IO3- + Ni2+ → I2 + NiO2Cr2O72- + Zn → Cr3+ + Zn2+ Both the reactio...

Q: A measured heat value is -1.18 J resulting in a temperature change, what does this mean? Group of an...

A: Dear student I have given answer to your question in the image format .

Q: answer D and E

A: Equilibrium constant is used to measure the amount of reactants left in the system and amount of pro...

Q: Calculate the ∆G⁰reak value for the following reaction running at 298K. CO (g) + ½ O2 (g) ↔ CO2 (g) ...

A: Gibbs free energy is the maximum obtainable work in a system. The change in Gibb's free energy can b...

Q: What is the pH of a 0.001 M solution of HCl? Group of answer choices a) 11 b) 3 c)-3 4) 2

A: The pH is defined as the power of hydrogen or potency of hydrogen. The pH scale ranges from 0-14. Th...

Q: Explain why the pressure of a gas would increase as the number of particles increases at constant te...

A: The ideal gas follows the ideal gas equation. The ideal gas equation can be written as: PV=nRT…………(1...

Q: For a system at equilibrium, the presence of a catalyst will. O increase the equilibrium constant. O...

A: At Chemical equilibrium, the rate of forward reaction is equal to the rate of backward reaction and ...

Q: Exercise 2: Upon pouring hydrogen chloride in a beaker that contains potassium carbonate, effervesce...

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am ...

Q: Answer question numbers 6, 7, 8 and 9 because they are connected to each other.

A: Note: Since you have posted a question with multiple subparts, we will solve the first three subpart...

Q: Show complete solution and process. Solve for the Nuclear Equation.

A: Interpretation -  To show the complete solution and process for the given nuclear reaction -       I...

Q: 5. A reaction has the experimental rate law, rate= k[Al'IB). If the concentration of A is doubled an...

A: Rate of reaction is equal to the concentration terms of the all the reactants with raised to the pow...

Q: What volume of water would be produced by this reaction?

A: Each of the reaction takes place according to their stoichiometric ratio . And at same temp and pres...

Q: In an aqueous solution, CIO3", reacts to produce, CIO4 and Cl2(g). A plot of [CIO3] vs. time in minu...

A:

Q: 나 n 4. ar 3.27

A: PH = - log (H+) This question can be  solved by this formula which is given below

Q: A 9.12g of KClMgCl26H2O is to be dissolved to prepare a solution in sufficient water to give 1.500L....

A:

Q: b) Diagram 9 shows the elements from a Period found in the periodic table 23.0 24.3 27.0 28.1 31.0 3...

A: Metals generally form basic oxides whereas non-metals form acidic oxides. Some metals form oxide whi...

Q: How many electrons can be assigned to orbitals designated by the quantum numbers n = 3, { = 2?

A:

Q: Determine the sign of entropy change (+∆S or -∆S) a. 2KClO3(s) → 2KCl(s) + 3O2(g)b. N2O4(g) → 2NO2(g...

A: The entropy (S) is determined on the basis of the phase transition of the reacting species. The spon...

Q: If 56.1 grams of NaCl are dissolved in 44.0 mL of Sulfuric acid, H2SO4 Sulfuric acid has a density o...

A: Given the mass of the solute, NaCl is ---- 56.1g The volume of the solvent that is sulfuric acid is ...

Q: Cocaine (C17H2O4N) arrives in the USA either as the pure compound or as the hydrochloride salt  (C17...

A:

Q: In the following reaction, how much heat (in kJ) is released when 5.81 moles of CH4 are burned? CH4 ...

A: The balanced Chemical equation is - CH4(g) + 2O2(g) -----> CO2(g)  + 2H2O(g)  (∆H° = -802 kJ/mol)...

Q: Chemical Thermodynamics Which of the following statements refers to the Third Law of Thermodynamics?...

A:

Q: Determine the sign of entropy change (+∆S or -∆S):a. CaCO3(s) → CaO(s) + CO2(g)b.  N2(g) + 3H2(g) → ...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: 1) For the reaction below, which way would the equilibrium shift, for each situation below, to the r...

A:   "Since there are multiple sub-parts in this question and it is not mentioned that which one has to...

Q: A water sample contains only 0.00150 M of La3+. Calculate the maximum concentration of I03 which cou...

A: We need to find the solubility of La(IO3)3 compounds in the solution.

Q: Draw the expected product for the following multi-step reaction:

A: Cyclic acetal is an acetal in the molecule of which the acetal carbon and one or more oxygen atom ar...

Q: Cn the following a Bransted-Lourd base2 reaction.wnich reactant is

A: According to Bronsted-Lowry concept of acid and base, the Bronsted-Lowry acid can be defined as the ...

Q: If a batch that contains fatty alcohols and waxes, what would we have to watch for in cool down of t...

A: Introduction: A batch that contains fatty alcohols and waxes can be considered as the cosmetic batch...

Q: Consider two 5 L chambers. In one, there are 5.00 g O2, and in the other there are 5.00 g He. Which ...

A: Given information: Volume of chambers=5 L Mass of Oxygen=5.00 g Mass of Helium=5.00 g Temperature=29...

Q: What happens during ionization

A: There are different types of compounds like covalent compounds and ionic compounds. Covalent compoun...

Q: Properties of Acids and Bases Acids Bases Physical Properties Chemical Properties . How to recognize...

A: Solution:    Acids are the substances that produced hydrogen ions when dissolved with water while ba...

Q: Classify the following compounds as ionic compounds, nonpolar or polar molecules. Justify your answe...

A: Given: The electronegativity values of the following atom; O = 3.44 Cl = 3.16 Br = 2.96 C = 2.55 H =...

Q: For each bond, select the element that would receive the POSITIVE delta notation:                   ...

A:       Elements that would receive the Positive Delta :   O+δ    B+δ    Br+δ    Li+δ   

Q: 1) When 2.25 grams of an unknown non-electrolyte dissolves in 12.0 grams of water the solution freez...

A: Given, Amount of unknown compound, W1 = 2.25 grams Amount of water, W2 = 12 grams Kf of water is 1.8...

Q: Chemical Thermodynamics Calculate the ASfor the vaporization of water at 100°C. AHvap = 40.7 kJ mol ...

A: Matter is something which occupies space and has mass. Matter is classified into three types. They a...

Q: Chemistry Question

A: From the combined gas laws we can calculate it.   

Q: Calculate the mass of 2.50 moles of Carbon Monoxide, CO. ______

A:

Q: Classify the bonds below as ionic, nonpolar covalent, or polar covalent. (EN: Cl 3.16; Mg 1.31; H 2....

A: We are to find whether given molecules has ionic or covalent bonds. Electronegativity : Cl = 3.16 Mg...