How many moles of sodium are needed to produce 40.7 L of hydrogen gas according to the following reaction at 0 °C and 1 atm? sodium (s)+waterI)sodium hydroxide (aq) +hydrogen(g moles sodium

Q: Consider the structure of the compound 2-propanone (acetone) and answer the following questions (11…

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Q: Which of the following has a Lewis structure that is an EXCEPTION to the octet rule? a) CO2 b) CIO,-…

A: The structure that shows the valence electrons associated with an atom is called the Lewis…

Q: Which is an example of a chemical change? Steam from the boiling water condenses on the ceiling The…

A: CHEMICAL CHANGE  :- A chemical change as the name suggests, brings a change in the chernical…

Q: X - products plot of In[ X ] vs. time -0.2 -0.4 -0.6 y --0.2967x - 0.1621 -0.8 -1 -1.2 -1.4 -1.6…

A: Since we know that, for different order of reactions, the relationship between the concentration of…

Q: Based on the following partially-filled table, what is the theoretical yield of the product (ethyl…

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Q: The kinetics of this same reaction w as studied at five different temperatures, and the rate…

A: The relationship between rate constant and activation energy is given by  K = A e-Ea / RT  where K =…

Q: 2.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given : Mass of compound combusted = 2.00 g Mass of CO2 produced = 3.30 g Mass of H2O produced =…

Q: Tell whether solutions of the following compounds in water are expected to be acidic, basic, or…

A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions…

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A: Molar mass of CaI2 = 293.887 g/molMolarity can be calculated as follows,

Q: From the formula of the following hydrates calculate the percent H 2 O in each Possible unknowns…

A: % of H2O (Hydrates) in compound = Mass of water Total nass of compoundx100%(a) BaCl2.2H2OAtomic mass…

Q: Which reaction is not an oxidation-reduction reaction? NADH + ½ O2 + H+ → NAD+ + H2O FAD + H2O →…

A: Oxidation-reduction (or redox reactions) involve addition and/or loss of oxygen and/or hydrogen.

Q: Assign formal charge to each atom in the resonance forms of cyanate ion (OCN-). Which resonance form…

A: The formal charge of the atom or ions is calculated as follows: Formal charge = no. of valence…

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A: A formal charge (FC) is the charge assigned to an atom in a molecule, irrespective of relative…

Q: 4.) Which statement is correct at constant temperature and pressure? A. All reactions for which…

A: Spontaneity of any system is decided by the value of ΔGsys.

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A: The given reaction as follows,

Q: [he kinetics of this reaction were studied at 50.9 °C. The following data were obtained by following…

A: Given,                           The rate law give reaction, in the function of time is,…

Q: Which of the following sets of quantum numbers is not matched with the orbital designation? Select…

A: The 4 quantum numbers are  1) Principal quantum number (n) = shell number or orbit number  2)…

Q: Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, and hydrogen…

A: Let the mass of hydrogen gas taken be 'x' kg. So, moles of hydrogen gas =Mass of hydrogen gasMolar…

Q: Which of the following orbital designations is impossible? Select an answer and submit. For keyboard…

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Q: Which of the following gives the best description of what the scientific method is? It is the…

A: A scientific method is an empirical method that involves careful and systematic observation,…

Q: Which statement about isotopes is false? O Radioisotopes are unstable and spontaneously emit…

A: Isotopes are atoms which have same atomic number but different mass number.so isotopes have same…

Q: The acid dissociation reaction for the weak acid butyric acid, HC4H¬O2 is given below. Its Ka is…

A: The dissociation reaction given is Assuming y concentration of HC4H7O2 dissociates as per the…

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A: A. We can use the Nernst Equation to generate an equation that relates the potential of the given…

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A: The shape and bond angle of these oxynitrogen ions are given belowNitrate ion(NO3-):The bonding…

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A: The volume of a sample argon gas is calculated as,

Q: Which of the above reactions (A or B) will proceed at a lower temperature? H A) B) Ph H Ph Ph Br Br…

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Q: Which one of the following molecular formulas is also an empirical formula? O C6H602 O C2H6SO O H202…

A: The simplest positive integer ratio of the atoms present in the chemical compound is known as…

Q: Which pair of elements would you expect to exhibit the greatest similarity in their physical and…

A: The properties of elements are dependent over their electronic distribution. The similarity in the…

Q: At high temperature the reaction, NH4I(s) NH3(g) + HI(g), has Kp = 16 bar. Calculate the total…

A: For the reaction ,                         NH4I (s)  ⇌  NH3 (g)       +       HI (g)…

Q: The correct answer (reported to the proper number of significant figures) to the following is (12.67…

A: Significant figures are defined as the total number of values that have a meaningful contribution to…

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A: Given, X represents central atom, Y represents outer atoms and Z represents lone pairs on central…

Q: Draw the structure of the product that is formed when the compound shown below undergoes a reaction…

A: Trans 2 butene is our reactant so trans product will be obtained that is  (Trans-2,3-epoxybutane) is…

Q: In the box on the right, draw the best resonance structure of the compound on the left. Draw…

A: The compound given is,

Q: Which of the following would be expected as the result of polymerization reactions in which four…

A: Polymerization is the reaction when monomers condense to form a polymer. There are two types of…

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A: A polar molecule is the one in which the electrons are not equally shared by the bonded atoms. This…

Q: The correct answer (reported to the proper number of significant figures) to the following is . 7.3…

A: For the given calculation the number of the significant figures in the given number is as follow:…

Q: Which one of the following is a pure substance? tap water rock air elemental oxygen apple

A: Substance which is made up of single or one type of atom or molecule is known as pure substance.…