Nitrogen reacts with oxygen to produce nitrogen dioxide. What mass of oxygen is required to produce 7.50 L nitrogen dioxide @ 12.0 degrees Celsius & 789 mmHg? Please include balanced equation of reaction.

Q: Using your answers from above calculate the number of grams of these elements. Hydrogen in 124 g of…

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Q: What element is produced when Cm-249 undergoes beta decay

A: ->From beta decay atomic number increases by 1 unit .

Q: 7. How much heat is gained when the temperature of 288 g of liquid water is raised by 25 °C from…

A: Here we are required to find the amount of heat required for raising the temperature by 25°C for…

Q: 9. The label of the dark chocolate indicates that its mass is 150g and it is 70% caca. If John Carl…

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: Without performing detailed calculations, determine the hydrate of Na2SO3 that contains almost…

A: Here we have to determine the molar ratio of Na2SO3 and H2O.  We know molar mass of Na2SO3 is…

Q: Determine the amount of sodium chloride required to prepare 500 ml of a 3M sodium chloride solution.…

A: The molarity of a solution is the ratio between the number of moles of the compound to the solution…

Q: idae which are native to Colombia. identify the nybridiza он HC 10 6. 7. 8. 9. 10.

A: Hybridization is overlapping of atomic orbitals. In Hybridization Lone pairs and sigma bonds are…

Q: At what temperature in oF at which liquid water has the highest density?

A: Density of water first increases and then decreases upon decreasing temperature. It has been…

Q: If I gave you 9 moles of pennies (6.02 × 1023) but with the condition that you had to spend them at…

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Q: Identify the structure of the important fragments. Show the arrow pushing mechanism to form the…

A: IR spectra deals results from the interaction of infrared radiation with matter by absorption. IR…

Q: Complete the proper name for the following compound by filling in only the blank part HN gamma-

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Q: Which statement describes the trend of ionization energy in the periodic table? 19. (a) increases…

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Q: answer 9 and 10

A: Find the parent chain and substituent and name the compound accordingly.

Q: BaSO4 which is digested to make SO3. the weight of the BaSO4 was 0.4109 g. find the mass of SO3…

A: Given that Weight of BaSO4 = 0.4109 g  We know that  Molecular weight of BaSO4 = 233.38 g/mol…

Q: If rates of both reduction and oxidation half-reactions are moderated by activation polarisation,…

A: Given as Rates of both reduction and oxidation half-reactions are moderated by activation…

Q: Explain the meaning of AHf Catlaces =49g KJ. nclude ues- achemica eguationim your answer, and…

A: Here we have to explain the meaning the enthapy formation C6H6(l) having value 49Kj.

Q: Joe Chemist plans to make a buffer of pH = 5.25 using acetic acid (Ka = 1.8 x 10-5). He has %3D %3D…

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Q: d. In a hypothetical equation A+B C, the rate of reaction increases by increasing the concentration…

A: Please note: As per our company guidelines we are supposed to answer only three parts of one…

Q: Specify both the alcohol starting material and the reagents you would use in each step in a…

A: Here we are required to find the Starting material and reagent required for the formation of desired…

Q: Compute for pKb. (Supply answer up to the 2nd decimal point.)

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Q: Explain what happens to the ratio of the two common forms of free residua! chlorine as the pH of…

A: Hypochlorite, ClO-(aq) is a conjugate base of HOCl.  #(i): Since HOCl(aq) and ClO-(aq) are conjugate…

Q: Curriculum Expectation E3. demonstrate an understanding of the concept of dynamic equilibrium and…

A: Answer - According to the question - As a chemical engineer I will be looking for that chemical…

Q: Balance the following reactions and underline the oxidizing agents: а. CrPO4 + KMNO4 K2Cr207 + H3PO4…

A: Oxidizing reagent: In a redox reaction, the oxidizing agent is a substance which gains an electron…

Q: What weights of citric acid and/or its various salts are required to prepare 2.0L of a K-citrate…

A: Given as the pH of buffer =6.25 ionic strength= 0.05 M H3C6O7H5                K1        =…

Q: what must be present in a Diel Alder reaction?

A: In this question, we will discussed about Diels Alder reaction and we will see that what substrate…

Q: What happend to the answers for the second page?

A: The Lewis dot structure are drawn based on number of valance electrons and bonds required.

Q: If 25.0 g of NH₃ and 45.0 g of O₂ react in the following reaction, what is the mass in grams of NO…

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Q: Which one of the following is not a conjugate acid-base pair? A. NH3 and NH4 B. H₂PO4 and HPO42- C.…

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Q: When solutions of silver nitrate and potassium chloride are mixed, silver chloride precipitates out…

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Q: To prepare the buffer, a total volume of 500 mL is required. The stock solution of the weak base is…

A: Given: Buffer solution of weak base pyridine (assuming B) and its conjugate acid HB+. pH of solution…

Q: 7. Decide whether each of the following will cause an aqueous solution to be acidic, basic, or…

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Q: Ethanol has a normal boiling point of 78 °C and a heat of vaporization of 38.56 kJ/mol. At what…

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Q: If you have 0.1 x 6x 10^23 hydrogen ions in 1L of solution, what is the pH? O A. 7 В.3 O C. 5 O D.…

A: The correct answer is given below

Q: What is the relationship of potassium with PH ?

A: Interpretation- We have to tell the relationship of potassium with the pH -      Introduction -…

Q: Determine the pH and hydrogen ion concentration in a 0.1425M solution of ethylamine, C2H5NH2 at…

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Q: Problem 1. Refer to the last structure in this reaction mechanism. Assume that the ring-opening will…

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Q: What will happen when  CH3NH3Cl is added to a CH3NH2 solution? Will it change the pH of the solution…

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Q: Calculate the number of protons, neutrons, and electrons in 15 g of Si-28. The isotope Si-28 has a…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: 15. How many minutes would a current of 20.0 amps need to run through a solution containing Au*3 to…

A: Given that:  Current = 20.0 A = 20.0C/s Mass of Au = 10.0g

Q: 165 21. Identify the neutron-to-proton ratio for the isotope 67H0 and determine if the isotope is…

A: Identify the neutron-to-proton ratio in the given nuclide--

Q: 2) el (a) In brief terms, provide an account of nuclear instability, making use of the Nuclear chart…

A: The answer is attached below-:

Q: Determine the oxidation number of ? element. (NH4)2M004

A: Determine oxidation number of element ?

Q: еxcess CH HCI H,C. H,C. CHs v 1st attempt Choose one or more: O Uuse IR; the product has a strong…

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Q: I me CH3 I me

A: the name of final product is N,N,N,3 - tetramethyl anilinium  ion

Q: in step three, is the reagent on the top of the arrow T-BuOK?

A: Yes it is Potassium tert- butoxide. i.e. t-BuOK  This is a bulky base which abstract H+ to form…

Q: The equilibrium constant, Kor for the following reaction is 7.00×10-5 at 673 K. NHẠI(s) =NH3(g) +…

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Q: Where is the 2.303 coming from ?

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Q: Draw a structural formula for the product formed upon hydroboration/oxidation of the alkene below.…

A: It is an example of hydroboration reaction  Here we are required to predict the product of the…

Q: So is the charge after both nitrates supposed to be a 3 or 2?

A: A compound is formed by the electrostatic interaction between the cation and the anion. The cation…

Q: 1. Write a short description about the physical and chemical properties of a copper at standard…

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.