A solution contains 0.305 M ammonium bromide and 5.90x10-2 M ammonia. The pH of this solution is

Q: 7. Nitrogen gas is produced in an automobile air bag. It is generated by the decomposition of sodium...

A: Reaction is given  2NaN3 (s) -----> 3N2 (g) + 2Na(s) since 2 moles of NaN3 Is required to produce...

Q: 6. How many moles of sulfur could be prepared from 54.1 L of oxygen at STP? 2 H,S) + O2g → 2 S + 2 H...

A: One moles of oxygen molecule help in to produce two mole of sulphur atom. ( by stoichiometry ) 

Q: Can the addition of HOCI to an alkene produce a mixture of stereoisomers? Can the addition of Br_2 t...

A: Stereoisomers are the isomers that have different orientation in the space.  Alkene that contains c=...

Q: How much heat is evolved when 27.0 g of glucose is burned according to this equation? C6H1206 + 602→...

A:

Q: What is the pH of a solution that is 0.32 M C2H;NH2 (ethylamine) and 0.35 M C2H5NH3 Br (ethylammoniu...

A: Henderson–Hasselbalch equation, POH = PKb + log [salt]/[base] and, PH + POH = 14

Q: Draw a bar diagram on your sketch paper based on the table below and determine the non-carbon hardne...

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Q: What reaction observed? Q = K forward Q> K neither Q < K reverse

A: -&gt;Q is reaction coefficient and K is equilibrium constant. -&gt;It means that Q is ratio of produ...

Q: A sample contains unknown amount of Na2CO3 and NaHCO3 . The sample was titrated with 0.103 N HCl sol...

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Q: Electrophilic addition of HI proceeds with the same mechanism as HCI and HBr. New methods for the hy...

A: At high temperature, addition of HI is thermodynamically controlled. Under thermodynamic condition 1...

Q: Question 6 Vacuum desiccators are more efficient than ordinary desiccators because O The low pressur...

A:

Q: Azelastine hydrochloride (pKa = 8.88, molar mass = 418.36 g mol-1) is an antihistamine used in nasal...

A: Azelastine hydrochloride is a weak Acid ( since pKa is given)  pH of a weak acid is found by  pH = (...

Q: |- Draw the skeletal structure for 1-aminocyclohexene. |- Name the following compound. CH3CH2CHBrCOH

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Q: 2014 male luler Yomul nach paoden Hnanle , A= 271 (s) Comprunds ond Y yhoore he Compound X has 8- 2-...

A: This Question is based upon NMR Spectroscopy.

Q: system shifts forward, backward or remains the same? Ag2CrO4 (s) ⇌ 2 Ag+ (aq) + CrO42- (aq) (a) Ad...

A: Effect of concentration on equilibrium is determined by Le-Chateleir principle.   

Q: PC13(g)+Cl2(g)ZPCI5(g)Kc=0.11 A 0.60mol sample of PC13 and a 0.70mol sample of Cl2(g) are placed in ...

A: Here equilibrium will be established as  PCl3 + Cl2 &lt;=======&gt; PCl5 .  At equilibrium we have 0...

Q: Consider the reaction below that has a Keg of 3.54 - 10°. 3.8 mol of A and 5.0 mol of B are added to...

A: Given , Keq =3.54*10-3  Number of moles A = 3.8 and B= 5 Volume of container is 2 L  We have to calc...

Q: One of the half-reactions is 2 N3- → N2 + 6 e How many faradays of electricity are required to pro...

A: For one mole of N2, 6 mole of electron or 6 Faraday electricity is required.

Q: sample of oxygen is collected in a 175 mL container over water at 15.0C. If the barometer reads 752....

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Q: Potassium hydrogen phthalate, KHP, is often used as a primary standard for the standardization of so...

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Q: n the blank type in the formula of a compound formed by the imaginary ions, X2+ and Y3-.

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Q: does the substituent F __ have an electron withdrawing-effect, or a electron-donating effect?

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Q: how molecular spectroscopy work?

A: Answer - According to the question - Given - molecular spectroscopy - Molecular spectroscopy is the...

Q: Predict the product and balance  redox reaction MnO4 - +   HSO3-    =

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Q: Give the empirical formula of each of the following compounds if a sample contains the following qua...

A: The emperical formula can be calculated as follows

Q: (a) Calculate the energy difference between the two spin states of 'H and of 13C in a magnetic field...

A: The energy difference between spin states are calculated using the equation  ∆E=γ Boh2π Bo is the ap...

Q: 6. Draw CrCl2(OH2)4 + , CrCl(OH2)5 2+, and Cr(OH2)6 3+ by hand indicating the correct 3D geometry. ...

A:

Q: Use the Standard Enthalpies of Formation given to solve for the AHf for C2H6. 2 C2H6 (g) + 7 O2(g) →...

A: 2C2H6(g) +7O2(g) --&gt; 4CO2(g) + 6H2O(g)  

Q: What is the general equation that represents a single displacement reaction?

A: Redox reactions are those in which both oxidation and reduction occurs simultaneously.

Q: Consider a three-level laser system. The wavelength for an absorption from level A to level C is 477...

A: We will draw diagram and then using it calculate required wavelength.

Q: In this reaction, 22.7 g of lithium nitrate reacts 13.5 g of barium sulfate. What will be the mass o...

A:

Q: 8. Write the product of the reaction in three dimensions and indicate if the methyl groups in the pr...

A: As per guidelines we have to solve only the First question. We have to determine the stereochemistry...

Q: Draw a possible forward synthesis to form the following compounds using MeOH, ETOH, NaCN and benzene...

A: To synthesize the following molecule , retrosynthetic approach is very essential . After retro synth...

Q: Identify each of the following as an oxidation or a reduction: a. O2(g) + 4 e 202 (aq) b. Ag(s) → Ag...

A: gain of electron = reduction  lose of electrons =  oxidation  

Q: Consider a sample of gas that contains 625 moles of smokestack gas. How many molecules of SO, are co...

A:

Q: Vanadyl trichloride (VOCI3) is a liquid that is used as a catalyst in the manufacturing of batteries...

A: The mass of vanadyl trichloride is = 15.73 g The heat of vaporization of vanadyl trichloride is = 36...

Q: O=Z

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Q: nuclear equation for U235 that produces Xe144 and Sr90

A: In this question, we have to give nuclear equation for U235 that produces Xe144 and Sr90 :

Q: Aluminum carbide, Al4C3, is a yellow powder that reacts with water to produce aluminum hydroxide and...

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Q: 9. Why do we need to test the washings with AGNO3? 10. What is done in an ignition process?

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Q: Identify the following reaction as addition, elimination, or substitution. CH3CH2CH2B → CH3CH=CH2 + ...

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Q: hat is the percent ionization in a 0.530 M solution of formic acid (HCOOH) (Ka = 1.78 × 10⁻⁴)

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Q: Place the following terms with the Carrect Denelit: han Specific heat es dosity in the Said State Co...

A: Water provides an environment inside a cell that allows many chemical reactions to occur.     

Q: For the rearrangement of cyclopropane to propene at 500 °C (CH2)3CH3CH=CH2 the following data have b...

A: In the given question we have to calculate the average rate of disappearance,   

Q: Provide the answer if the compounds will react. 1. Which compound/s will react with Br2 in water un...

A: A substitution reaction is a reaction where one group is substituted for another group in a single s...

Q: 7.53 Consider the following SN2 reaction: Br CN NACN DMF (a) Assign the configuration of the chiral ...

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Q: ermosetting polymer

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Q: Draw the structures of 5 structural and geometric isomers of dienes with formula C5H8.

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Q: Which of the following will forn a basic solution in water? [Select all that apply] NaCIOalaq) O LIF...

A: Salt of strong base and weak acid is basic when dissolved in water   

Q: What would happen to the cells if a hypertonic solution was injected directly to the bloodstream? ex...

A: Solution is of three types:-  Hypertonic  Hypotonic  Isotonic

Q: 4. What weight (in grams) of lactose (C12H22O11, MW= 342 g/mole) is required to prepare each of the ...

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.