Calculate the number of gold atoms in a 150.0 g sample of gold(III) chloride (Au,Cl,). Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.
Q: 1. What is the energy of a photon of 8.70 x 106 micrometers?
A:
Q: Bromfenac is a nonsteroidal anti-inflammatory drug. Select the modification that will make Bromfenac…
A: Steric hindrance or Steric Inhibition of protonation (S.I.P.) occurs when the large size of group…
Q: Label the acid and the base on reactant side of the equations and write the products: 1. H,SO, +…
A: ->Acid reacts with base and form salt and water.
Q: 1. Complete the following reactions. OH он
A:
Q: Calculate the values of the buffer capacity at pH = 7 and pH = 9 in 0.08 M ammonium chloride…
A:
Q: 1. ASSERTION: The solubility of gases in water follows the order O2 < N2 < SO2 < CO2 < NH3. REASON:…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Does the NMR match the following product? explain and match each peak with corresponding carbon. I…
A: To assign the peak to each of the hydrogen present in the given compound.
Q: student is planning to determine the specific heat capacity of iron. To do this experiment the…
A:
Q: 1. What is the weight (in grams) to prepare a 350 mL of 0.047 M solution? 2. What is the…
A: The mass of the compound can be calculated by the number of moles of compound and molar mass of the…
Q: What type of IMF does the hexane, chloroform and water have? Which of the three molecules have the…
A: IMF is intermolecular force. Intermolecular forces can be defined as the forces present between two…
Q: 13. A chemişt carries out the following reaction: C6H6 + Br2 > C6H5BR + HBr 2.7 a. If he reacts 14.2…
A:
Q: Balance the equation and calculate the E∘cell of the given reaction Rb(s) + Hg2+(aq) ------> Rb+…
A: Given- Rb(s)+Hg+2(aq) ->Rb+(aq)+Hg(s) Answer may differ slightly because values of standard…
Q: Calculate entropy change 1. combustion of one gram of methane to form carbon dioxide and liquid…
A:
Q: Bismuth-214 undergoes a radioactive decay chain before it reaches nudear stability, forming the inal…
A:
Q: Benzopyrene, naphthalene and pyrene are members of these group of aromatic compounds: *…
A:
Q: What is the pH of a 100.0 mL 0.0500m HCN(aq) solution which is mixed with 5.00 mL 0.200 M KOH(aq) ?…
A:
Q: What is the hybridization of the central atom in the perbromate (BrO, ) anion?
A: In this question, we have to give the Hybridization of the central atom in the perbromate anion.
Q: Procedure A small quantity of the given unknown compound was added to a small quantity of Experiment…
A: 1) Libermann’s Test : This test is given by those phenols which have a free para position. Place a…
Q: What is the pKa of a monoprotic, weak acid HA given that a 30.0 mL sample required 15.0 mL 1.50 M…
A:
Q: A student weighed out 0.150 g of protein powder and dissolved it in 100 mL of water (Solution 1).…
A:
Q: Click in the answer box to activate the palette. Complete the following nuclear equation by…
A: In this question, we have to complete the following equation by identifying X.
Q: A Zn wire and Ag/AgCl reference electrode saturated with KCI (E = 0.197 V) are placed into a…
A:
Q: Sulfuric acid is a very important chemical and an indicator of a nation's industrial strength. World…
A:
Q: 4 26Mg + 12 2a +
A: Given-> For balencing nuclear reaction there must be equal number of proton on each side also…
Q: What is the resulting pH of mixing 50.0 ml 0.0500 M NH4Cl (aq) with 10.0 ml 0.0500 M HNO3(aq)? If…
A: Given : Molar concentration of NH4Cl = 0.0500 M Volume of NH4Cl solution = 50.0 ml Molar…
Q: 4. a). Provide the reagent and reaction mechanism to show how the reactants and products in the…
A: This reaction is an example of ester hydrolysis reaction. It is reversible in nature. The carboxylic…
Q: Provide an etfficient synthesis of each molecule using the starting materials indicated. While no…
A: We have to carry out the required synthesis. The required transformation is shown below (a)
Q: Here is a reaction energy diagram for a hypothetical reaction in which a reactant species A converts…
A: Each elementary step has its own activation energy. If a certain step is a rate determining step,…
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: Question 1 Methane CH4) can be captured from landfills and farms and burned as fuel. This process…
A: Carbon dioxide (CO2) is the most significant greenhouse gas.Of the greenhouse gases, carbon dioxide…
Q: Draw a voltaic cell for the given reaction include anode, cathode, and flow of electrons) Zn(s) +…
A: The voltaic cell also known as galvanic cell is the electrochemical cell in which the chemical…
Q: 3. For each of the following pairs of ions, identify the stronger base: (a) OH or NHz (b) F or Ch…
A:
Q: How to prepare 0.10M of sodium thiosulphate
A: Given that molarity of sodium thiosulphate (Na2S2O3)is 0.10 M Molar mass of Na2S2O3 is 158.11 g/mol
Q: Using the data in the table, which of the conjugate acids below is the strongest acid? Base Kb CIO-…
A:
Q: Given the Rf of four spots in a normal phase paper chromatography, which of the following is the…
A:
Q: When chromium metal is added to nitric acid, the following reaction takes place Cr (s) + 6 HNO3 (aq)…
A:
Q: What is the molar mass of an unknown gas with a density of 2.00 g/L at 1.00 atm and 25.0 °C?
A:
Q: a chemist crystallizes 21.3 grams of solid and isolates 15.6 grams after dissolving it in 50.0 ml…
A: Given: Theoretical yield = 21.3 g Actual yield = 15.6 g
Q: what is the chemical and physical properties of oxalic acid?
A:
Q: I. (a) Determine the metal-metal bond order consistent with the 18-electron rule for the following :…
A: The number of metal-metal bond order is given below
Q: Match the appropriate tests with the indicated procedure form the table above. Ceric Sodium Ferric…
A: This question can be answered based on tests used for functional group detection.
Q: The following mechanism has been proposed for the gas phase reaction of nitrogen monoxide with…
A: The given steps of the mechanism is: Step1 Fast: NO+Br2⇌NOBr2Step2 Slow: NOBr2+NO→2NOBr
Q: A 30 mL of 0.1 M CH3NH2 (kb = 4.8 × 10-4) is titrated with 0.1 M HCl. Calculate the pH after the…
A:
Q: Which event must always occur for a chemical reaction to take place? Addition of a catalyst to the…
A: Chemical reaction depends 1) collision between reactant 2) activation energy 3) proper orientation
Q: (1R,2R)-2-methylcyclohexanol same as (1R,2R)-2-methylcyclohexan-1-ol
A:
Q: For this lab, we assumed the final product was pure. This is generally a good assumption when the…
A: The amount of oxalate can be determined by titrating it with permanganate ions, such that the…
Q: I. (a) Determine the metal-metal bond order consistent with the 18-electron rule for the following :…
A:
Q: Ag2CO3 (s) 2Ag+(aq) + CO3-2 (aq) G= -64.88J/mol b. CaF2(s) Ca+2(aq) + 2F-(aq) G= -59.32J/mol…
A: From the reaction between equilibrium constant and Gibbs free energy change is □G = - RT × ln(K)…
Q: Write an expression for the enthalpy change of the system AHsys in terms of the energy change of the…
A:
Q: Complete the following table, which lists information about the measured acid dissociation constants…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- In a vacuum chamber filled with argon gas at 100 mTorr, a plasma is ignited resulting to 1% ionization. This is already a "hot plasma" by lab processing standards. Calculate the number density of plasma electrons (should be about the same as the argon ion density due to quasineutrality) in this 1% ionized plasma.You are given three unknown samples stored in screw-cappedcontainers and was told to analyse them. You noted that Container A iscloudy and have some particles that are staying near the bottom of thecontainer. Container B is translucent while Container C is transparent. If thecontents of Container A can be separated by simple decantation,what isthe particle size that BEST describes its composition?i. <1 nmii. 1 nmiii. 1 nm-100 nmiv. >1000 nmCaffeine is a common organic molecule found in many beverages such as coffee, tea,and cola. It is a stimulant to the central nervous system. That is why many students drink coffee or soda to help them feel alert.Like many conjugated organic molecules, caffeine absorbs radiation with a wavelength around 260 nm.In this analysis, the class of Ms Judy determined the caffeinecontentin Red Bull energy drinkusing UV-vis spectroscopy a. .Construct a calibration curve. b.What is the concentration of caffeine in the unknown sample? c. Complete the table
- Solving EquationsSolve the following equation for V2:P1V1 = P2V2In a vacuum chamber filled with argon gas at 100mTorr, a plasma is ignited resulting to 1% ionization. This is already a "hot plasma" by lab processing standards. Calculate the number density of plasma electrons (should be about the same as the argon ion density due to quasineutrality) in this 1% ionized plasma. (You can find all relevant constants in the net).A batch of raw milk was tested and found to contain a bacterial population of 8xl06cfu/ml. It is to be pasteurised at noc for 33 seconds. The average D value at 52°C for the mixed population is 11 min. The z value is 10°C.i)Explain the terms "D value" and "z value".ii)Calculate how many organisms will be left after pasteurisation.iii)Hpw much time will be needed at 62°C to accomplish the same degree oflethality?iv. How much time will be needed at 82°C to achieve the same degree oflethality?
- These organic solvents are used to clean compact discs:(a) If a 15.00-mL sample of CD cleaner weighs 11.775 g at 20C, which solvent is most likely to be present?(b) The chemist analyzing the cleaner calibrates her equipment and finds that the pipet is accurate to 0.02 mL, and the balance is accurate to 0.003 g. Is this equipment precise enough to dis-tinguish between ethanol and isopropanol?Complete and balance the following equations: (a) Mg3N21s2 + H2O1l2 ¡ (b) C3H7OH1l2 + O21g2 ¡ (c) MnO21s2 + C1s2 ¡∆ (d) AlP1s2 + H2O1l2 ¡Predict all the chemical compounds in the table below from the given chemical formula and other physical properties Chemical Name Chemical Formula M (g/mol) Boiling Point Melting Point Refractive Index (power of n to D) (nD) C6H14 86.18 69 1.375 SiO2 60.1 1600-1725 C13H10 166.22 295 C13H8O 180.19 342 1.6309 C3H6O 58.08 57 1.35900