N2 (g) +3H2 (g) = 2NH3 (g) what is the value of Ke at 500 °C if the equilibrium concentrations are as follows: [H2] = 0.50 M , N2] = 0.60 M , and NH3] = 2.2 M ? Express the equilibrium constant to two significant figures. K. =

Q: Spectra 7 and 8: draw the compound (molecular formula C,H10) that corresponds to the set of spectra ...

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic comp...

Q: When a Levy-Jennings graph for TSH was checked, the mean of results was found to have shifted by +1....

A: Ans. (a) This is a systematic type error (a constant shift in one direction).  Systematic or bias er...

Q: Sugar is a compound made of the elements carbon, hydrogen, and oxygen. If you add sugar to water, yo...

A: In this question, we have to distinguish between compound and mixture.

Q: thermometer A 56.0 g sample of brass, which has a specific heat capacity of 0.375 J'g.°C, is put int...

A: Given, 56.0 g brass sample has a specific heat capacity of 0.375 J . g-1 ◦C-1  Mass of water = 250.0...

Q: Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid wat...

A: Mole ratio - Is the ratio between amount in moles of any two compound involved in a chemical  reacti...

Q: QUESTION 8 In the previous question, M were calculated for 20% HCI, fill in the formula below to det...

A:

Q: Which one of the following is least soluble in water? О снзон O CH3CH2CH2OH O CH3CH2OH O CH3CH2CH2CH...

A: Solubility in the water is depends upon the interaction with the water molecule. Water is the polar ...

Q: A beaker with 1.70x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The ...

A:

Q: Which species is the conjugate base in the following reaction? CH3COOH(aq) → H+(aq) + CH3COO−(aq) ...

A: conjugate base means when acid loss its hydrogen and formed the corresponding ion.  here CH3COO- (aq...

Q: To 1 cm of dilute sulphuric acid in a test tube add 3 X is colourless addition of dichromate (VI)and...

A: The test uses dilute sulfuric acid, potassium dichromate (VI) and an organic compound.

Q: The amines are organic weak bases which are nitrogen-containing. In the early days of organic chemis...

A: (1) Generally, an alkaloid contains at least one nitrogen atom in an amine-type structure—i.e., one ...

Q: heat

A:

Q: Acid-Base Equilibria. Caleulate [OH ] for each of the following sohutions, and indicate whether the ...

A: Determine the concentration of OH- and also determine the solution is acidic or basic or neutral ---

Q: Iron and water react to form iron(III) oxide and hydrogen, like this: 2Fe(s)+3 H2O(g) - Fe2O3 (s)+ 3...

A:

Q: 1) What is the product of the following reaction? *note* DMF is the solvent in Br Br- OLi DMF Br Br ...

A: Here the mechanism of reaction will be nucleophilic substitution reaction in aryl system. It is occu...

Q: Scientific Notation 1. (1.33 × 105) − (4.9 × 104) 2. (9.70 × 106) + (8.3 × 105) 3. (6.0 × 103) (1...

A: Re- write the number so that the two numbers have same exponent . Get the sum or difference of the c...

Q: 4. Show the steps necessary, in order, to make each of the following compounds. Start with benzene, ...

A: Answer of the question given below, 

Q: Figure 1 H H H H---N:---H --N: H---N:--H ---0: H H H --D 0n B - *involves bond to polar molecules Qu...

A: Electrostatic force of attraction between proton of one molecule with the electronegative atom of an...

Q: Organic chemistry:Write an introduction about Nuclear Magnetic Resonance Spectroscopy(NMR) and how t...

A:

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

A: We have to write the highlighted chemical group in the compounds given in the question .Let's write ...

Q: Na is plated out from a solution of NaCl. How many moles of electrons are required for every mole of...

A:

Q: Carbon dioxide and water react to form methanol and oxygen, like this: 2 CO,(9)+4 H,0(9) -2CH;OH(1)+...

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical eq...

Q: According to the following reaction, how many moles of copper(II) nitrate will be formed upon the co...

A: The complete balanced equation for the reaction of silver nitrate and copper is.       2 AgNO3 + Cu ...

Q: Identify whether these organic molecules are constitutional isomers,resonance structures, the same m...

A: The molecules given are,  

Q: Only bases undergo hydrolysis reactions. Group of answer choices True False

A: The statement given is "Only bases undergo hydrolysis reactions.".  

Q: V. Choose which term refers to each statement in numbers 1 to 8. A. surface tension B. viscosity C. ...

A: With reference to the given property of different states of matter they have these properties which ...

Q: Q3) A: Give the crystal structure for the following metals. Fe , Ni , Pb , Cr , Al , Ag , Zn , Mo , ...

A: Crystal structure is defined as the ordered arrangement of either atoms, or molecules or ions.

Q: 1.Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C2H6O) in ...

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

Q: Ammonium phosphate ((NH,) PO,) is an important ingredient in many fertilizers. It can be made phosph...

A:

Q: 5. What is the empirical formula and the empirical formula mass for each of the following compounds:...

A: Since there are two questions so I am solving question number 5 if you want to solve question number...

Q: Show mechanism of boron trichloride (trichloroborane) with boron tribromide (tribromoborane) to give...

A: Here we have to write the products formed during the reaction of BCl3 and BBr3 and it's mechanism of...

Q: oxygen atoms

A:

Q: ADDITIONAL INFORMATION. PLEASE 2 AND 3. Please show the balance equation and identify which reaction...

A: Oxidising agent are the species which oxidises other species and reduces itself while reducing agent...

Q: The table gives the rate constant for a certain reaction at high temperature. Identify the overall o...

A: In the given problem values of rate constant is given at different temperatures. 

Q: Balance the following equation with the smallest whole number coefficients. Choose the answer that i...

A:

Q: The principal reason for the extremely low solubility of NaCl in benzene (C6H6) is the strong solven...

A:

Q: Set Temperature of the outlet stream manually

A: This is a multiparts question. According to guidelines in multiparts question we can solve only thre...

Q: 8. Use the acetoacetic ester synthesis to prepare the two ketones shown A. - Ph В. LOET

A:

Q: what does a theoretical value of o.640g of cyclopentadine and a percentage of 14.5% mean in an exper...

A: Given that, Theoretical yield=0.640 g  % yield=14.5%  then,  

Q: write the electron configuration (complete and shorthand) and draw the orbital diagram of the follow...

A:

Q: A coin dropped overflow. on the surface of a water-filled container does not

A: When we add coins to the full glass of water we will  observe that water is  bulging out at the surf...

Q: S    +   6 HNO3  -->   H2SO4   +  6 NO2   +   2 H2O In the above equation how many moles of water c...

A: First We have to determine moles of nitric acid.

Q: b.) a 4f electrons in Ce, Pr and Nd. There is a

A: a) a 2p electron in O2-,F-,Na+and Mg2+  Actually Zα1size i.e. if size increases then Z* decreases. N...

Q: Why can’t molecules with the following formulas exist? Please explain briefly for each. a. CH5    b....

A:

Q: 2. What is the morality of a 60.5% by mass of nitric acid (HNO3) solution?

A:

Q: QL. Consider the following molecule: A B D At each atom, what is the hybridization and the bond angl...

A: Triple bond - sp hybridization - bond angle 180  Double bond - sp2 hybridization - bond angle 120  S...

Q: Express the concentration of a solution (in %w/w, %v/v, %w/v) containing 5g of NaCl and 50 ml of wat...

A:

Q: Write the balanced net ionic equation of the following: Sodium metal + hydrochloric acid solution  ...

A:

Q: Sketch/describe the 1H NMR spectrum for the following molecules. For each signal, predict the chemic...

A: Here we have determine the multiplicity of signal i.e splitting of signal, relative integration and ...

Q: Classification: Reaction: Enzyme:

A:     Drug: Acetaminophen sulphate Paracetamol sulfate is an aryl sulfate. It is paracetamol in...