7 t sample of 0.05 mol dm sodium chloride is mixed with a 5 cm3 sample of 0.05mol dm potassium iodide..10 cm3 of acidified o 05 moldm3 silver nitrate is then added, followed by concentrated ammonia solution. What is seen after the addition of an excess of concentrated ammonia solution? a cream precipitate a white precipitate a yellow precipitate D no precipitate

Q: Name the conjugate acid in the following Bronsted-Lowry base reaction: B + H2O –→ HB+ + OH- -- В H20…

A:

Q: Part A How much concentrated solution would it take to prepare 2.95 L of 0.585 M HCl upon dilution…

A:

Q: On the basis of Lewis acid and base concept, explain oxidative addition reaction.

A: Oxidative addition reaction:  Reaction where addition of ligands to metal centre occurs with…

Q: Write the relevant chemical reaction and mass-balance expression for 0.1 M NaCl and 0.1 M NaH2PO4.

A: Sodium Dihydrogen Phosphate + Sodium Chloride = Nahpoite + Hydrogen Chloride 0.1 M of aqueous Sodium…

Q: 6 Given H2SO4 reaction goes to completion and [SO4 ^2-]= 5 M, what is [H*]

A: ->H2SO4 is a strong acid which can completely dissociate into H+ and SO42-. Given-> [SO42-] =…

Q: Enter your answer in scientific notation. Be sure to answer all parts. Calculate the nuclear binding…

A: Given-> Atomic mass of Li = 7.01600 amu Number of proton = 3  Number of neutron = 7-3 = 4

Q: Calculate decay constant and half-time

A: Here we have to determine the decay constant and half life time of the given radioactive…

Q: Draw the major organic product that results when this compound is treated with PCC. Do not include…

A:

Q: compounds) when dissolved in water will produced the highest pH solution? Assume equal…

A: As we know,  Acidic salt has pH greater than 7  Basic salt has pH lesa than 7. While neutral salt…

Q: /hat is the concentration of Cu´T in the other half-cell?

A:

Q: a,b, and c

A:

Q: Write a balanced molecular equation for the reaction between KMNO4 and KI in basic solution. The…

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

Q: (d) Nitrogen reacts with hydrogen to produce ammonia according to the following equation. Calculate…

A: Given-> Volume of H2 = 98 L T = 25°C = 25 + 273 = 298 K Pressure = 1 atm

Q: Consider the following reaction: N2(g) + 3H2(g) ⇄ 2NH3(g) A. When would this reaction be…

A: Reaction :                                   N2(g) + 3H2(g) ⇄ 2NH3(g)…

Q: Show the steps of the multistep synthesis including reagents and intermediates. Only the product…

A: 

Q: 56FE + ža on + 2Fe

A:

Q: What is the pH of a 0.470 M solution of pyridine if Kb = 1.5x10^-9?

A:

Q: Which fluid has the highest [OH-] concentration? A.Stomach 1.4 B. Pancreatic juice 8.4 C. Sweat 4.8…

A: Which fluid has the highest [OH-] concentration?

Q: several Ph. steps Br OH Please explain the mechanism and steps of the synthesis. Thank you!

A:

Q: Gold-198 is used in diagnosis of liver problems. If the half-life of this is 2.69 days, 1. What is…

A:

Q: During the Volhard titration method:  A. Fe(III) serves as the indicator.  B. An organic compound…

A: During the Volhard titration method,

Q: The formation of Br2 from Br- was done by electrolyzing 1.0 M KBr solution between two Pt…

A:

Q: 1a th. Cracemic) Br

A: We have to carry out the given transformations. The required transformations are shown below

Q: Write the relevant chemical reaction and mass-balance expression for 0.1 M NaCl.

A: Ans : Mass balance Reaction :             Nacl (s)      →  Na+(aq)   +   Cl-(aq) To following the…

Q: H-O H-O H

A: ->Primary alcohol oxidize to carboxylic acid by cronic acid. ->Secondary alcohol oxidize to…

Q: che single best answer. s pair of elements (Ag and Cd), predict which one has more stable isoto Ag…

A: Protons are positively charged particles and neutrons are particles having no charge and these…

Q: Rank (in an ascending order) the relative N–O bond distances and the O–N–O bond angles for: NO2+,…

A: NO2+ , NO2 , NO2-

Q: Consider the following reaction A B. If the reaction is thought to be ZEROTH order, which of the…

A:

Q: The activation energy for the gas phase isomerization of dimethyl maleate is 111 kJ.…

A: Activation energy =111 KJ =111000 J T1=678K  K1=3.77×10-4 K2=3.08×10-3 T2=?

Q: Consider the following reaction: N2(g) + 3H2(g) ⇄ 2NH3(g) A) Determine ∆Hrxn˚ and ∆Srxn˚ using the…

A:

Q: Complete the following nuclear reactions. 1. -> +ie + 38T. 22 102 Ru 44 EaSITY CHEMIST 3. TH E → 3 n…

A:

Q: An analytical chemist is titrating 94.4 mL of a 0.5900M solution of ammonia (NH, with a 0.1400M…

A: Buffer solution: A buffer solutions is an aqueous solution consisting of a mixture of a weak base…

Q: [9] What will happen if a hot coffee is poured into cold water? Select one: a.The coffee will…

A: The heat flow from High temperature to low temperature . Means heat flow from hot body to cold body…

Q: How much mL of 0.155 M NaOH solution are required yo neutralize 35.0 mL of 0.250 HCL solution?

A: Given, NaOH solution Molarity of NaOH solution = 0.155 M = 0.155 mol/L Volume of NaOH solution = ?…

Q: Rank the following compounds in order of INCREASING standard molar entropy. a. H2O2(l), H2O(l),…

A:

Q: several Ph. steps Br Please explain the mechanism and steps of the synthesis. Thank you!

A:

Q: Determine the specific heat of unknown metal when 25g of metal, initially at 80.0 C is added to…

A: Given:: For unknown metal, mass m=25 g Initial T1=80.0℃  Final Tf=21.6 ℃ Specific heat capacity of…

Q: 7. A voltaic cell based on the reaction between aqueous Br2 and vanadium(III) ions has Ecel = 0.73 V…

A:

Q: For pilot test purpose in mud lab. , 1L of FWB has been prepared , if the volumetric percentage of…

A:

Q: Bad2b0-1be8-11e8-8a14-e5ed980bc25f/session cional Distillation Fractional distillation separates a…

A: Fractional distillation ia used to separate the complex mixture of miscible liquids.

Q: Consider the voltaic cell illustrated in the figure (Figure 1), which is based on the cell reaction…

A: G = -nFE = J/mol Zn(s)-->Zn^2+(aq)+2e^- 0.765 V Cu^2+(aq)+2e^- -->Cu(s) 0.337 V   n = 2, F =…

Q: A chemist prepares a solution of sodium hyposulfate Na2S2O3 by weighing out 206.0g of sodium…

A: Given that, 206.0 g of sodium hyposulfate, Na2S2O3 dissolved in 300 mL of volumetric flask filled…

Q: Compare the osmotic pressure of these solutions to the osmotic pressure of red blood cells. are the…

A: In this question, we have to Compare the osmotic pressure of the given solutions to the osmotic…

Q: CO2 (g) + 6 H2O (l) → C6H12O6 (s) + 6 O2 (g) ∆?_? {?_6 ?_12 ?_6 (?)}= −1274.5 ??/??? ∆?_? {?_2 (?)}=…

A: ΔHrxn = Σ ΔHproducts   - Σ ΔHreactants

Q: Which of the following may have caused the formation of bands of the components? (base on the…

A: It is asked in the question to answer for which reason the formation of bands of the components…

Q: 5 p.m. on Saturday. And, they are considering offering seniors a 10% discount on all private pay…

A:

Q: A solution is prepared at 25 °C that is initially 0.26M in methylamine (CH,NH,), a weak base with…

A: this is a basic buffer , so we will use the formula of basic buffer.

Q: What is the percent hydrolysis of a 100.0 mL 0.0520 M NaCN solution if Kw = 1.00x10^-14 and Ka(HCN)…

A: Given,  Volume of NaCN in mL = 100.0 mL  Molarity of NaCN = C = 0.0520 M  Ionization constant of…

Q: The rate constant of Iodine-131 is 8.66 x 10^-2 per day. 1. What is the half-life of I-131? 2. If…

A: As the unit of rate constant is time-1, it is a first order reaction.  For a first order reaction,…

Q: decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not…

A: Entropy is degree of randomness or disorderness.  By increasing Temperature,  moles, volume  Entropy…