Direction: Complete the table of the substances below by filling out the necessary information that describes them. Substance Color Density in g/cm³ Melting Point in Kelvin Aluminum Oxidane Xenon Copper Cobalt

Q: hy is having a wash bottle useful for titrations?

A: Given : We have to tell why we use wash bottle during titrations.

Q: Secondary mixing causes: stability through sigma-bond enhancment in a diatomic molecule destability,...

A: Secondary mixing or orbital mixing or s-p mixing or p-p mixing occurs when molecular orbitals of the...

Q: What is matter

A: Given question is : What is matter = ? 

Q: Calculate the mass percent of solute in the following solution: 1.64 g NaOH dissolved in 81.6 g of ...

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Q: In order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3.   ...

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Q: Why should we do a standardization every time we do a titration of Hcl and NaOH?

A: A standard solution is a solution whose concentration is known precisely. NaOH and HCl are the secon...

Q: From the journal entitled “Ionic liquids synthesis and applications: An overview”, written by Sandi...

A: Ans. Synthesis of ionic liquids: The first room temperature (Ionic liquids) ILs making started in 19...

Q: What is the Van't Hoff Factor of Na3PO4?

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Q: Percent yield of chemical reactions O 1/5 Gaseous methane (CH) reacts with gaseous oxygen gas (0,) t...

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Q: A patient weighing 119 lb is to receive 300 mg of medication in 750 mL solution is to be titrated at...

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Q: Nitrogen and oxygen react to produce nitric oxide according to the following equation: N2 (g) + O2 ...

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Q: Make an introduction about Measuring Volume Solids. Cite your references.

A: Volume is the space occupied by any solid. It's unit is in cube like cm3, m3 etc.  

Q: The exchange capacities of ion-exchange resins are defined in terms of the number of (moles) charged...

A: Different resins have different capacity. The total capacity is defined by total no of exchanged sit...

Q: Natasha was trying to identify 452.1 g of an unknown non- electrolyte sample. Given the limited inst...

A: The data given is, Mass of water i.e. solvent = density × volume = 1.0 × 500.0 = 500 g = 0.5 Kg  

Q: Fact: The pH indicator Bromocresol Purple has a pH range of 5.2 (yellöw (purple). Question: You adde...

A: Given: The solution is brown when 8 drops of Bromoscresol purple is added. And 14 drops of NaOH is a...

Q: What do you call substances that can both donate and accept a proton? A Ambivalent B Amphiprotic C) ...

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Q: What is the complete reaction in the synthesis of the precursor amide in the synthesis of sulfanilam...

A: The starting material for the given synthetic pathway is aniline and it undergo a nucleophilic attac...

Q: 7.596×10-4 mol of CF4(g) (tetrafluoromethane gas) is generated into a 131.0 mL headspace, at 25.0 °C...

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Q: The equation for the dissolving of magnesium hydroxide is: Mg(O H)2(s) + heat 2 Mg2*(a g) + 2 0H ,2+...

A: The solubility equation of Mg(OH)2 is given as, Given: H+ is added.  

Q: If 124 kJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen, what m...

A: Given,  Amount of heat absorbed = 124 KJ  Reaction between N2 and O2 takes place to gives NO  What m...

Q: List ALL the significant peaks in the IR spectrum of each molecule below by showing which functional...

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Q: 1 3 NEXT A 0.60 M aqueous solution of HNO, is prepared. Fill in the ICE table with the appropriate v...

A: Given : We have to fill ICE table for the given reaction.

Q: Is cis-1,2-dibromocyclohexane a meso compound?  In its planar structure, it has a line of symmetry ...

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Q: What volume (mL) of 0.0665 M KMnO4 is necessary to convert 12.5 g KI (166.00 g/mol) to I2 in the rea...

A: Given equation is : 2KMnO4 + 10KI + 8H2SO4 --------> 6K2SO4 + 2MnSO4 + 5I2 + 8H2O Molarity of KMn...

Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4

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Q: Consider the compound nitrogen triflouride, NF3 a. What is the electronic geometry of the molecule?...

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Q: How many moles of gold do you have in a 2 gram gold nugget? MM=197 g/mol

A: Given,  Mass of gold nugget = 2 g  Molar mass of gold nugget = 197 g/mol 

Q: A chemist generates the titration curve shown by slowly 12 adding 1.0 M sodium hydroxide (NaOH) to 1...

A: Ka is the acid dissociation constant for weak acid like acetic acid. When Ka is taken -log value , i...

Q: Lead sulfate is a mostly insoluble salt. The equation for the minimal dissolving of this salt is: PB...

A: We will answer this question using the common ion effect.

Q: At a certain temperature the rate of this reaction is first order in SO, with a rate constant of 0.0...

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Q: Which of the following would have to gain two electrons in order to achieve a noble gas electron con...

A: Electronic configuration tell us that how electrons are distributed in shells, subshell s and orbita...

Q: Problem 4. Each of the following reactions is displaced to the right. Make a list of all the Bronste...

A:                                  Answer  Bronsted acid :- Which species loss the proton is called Br...

Q: Make an introduction about Precision and Accuracy. Cite your references

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Q: Calculate the molar volume of chlorine gas at 350 K and 2.30 atm using (a) the perfect gas law (b) t...

A: Answer is given below

Q: Question 11 This structure is also known as thymidylic acid. NH OH HO-P=0 OH A) True B) False

A: The  structure of the thymidine monophosphate which is also known as thymidylic acid is given below....

Q: Write net ionic equations for the reaction, if any, that occurs when aqueous solutions of the follow...

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Q: In the preparation of the titrant, the solution must be aged for at least 24 hours in the dark. Stat...

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Q: Ionic liquids are a new class of organic salts that are liquids at low temperature (usually < 100 o...

A: Ans. Green aspects of ionic liquids: (a) The interest of ionic liquids (ILs) as “green” solvents res...

Q: 7.) Use the folowing themochemical equations as needed to find the heat of formation of diamond: C(d...

A: Given equations are : 1). C (diamond) +  O2 (g)  --------&gt; CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2 (g...

Q: How is it that methyl alcohol is soluble with water but not hexane?

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Q: Concept Check: Photodissociation/Photoionization Sample Problem 4. The bond energy in N, is 941 kJ/m...

A: Bond energy of N2 = 941 kJ/mol  

Q: Biofuels such as wood generate carbon dioxide when they are burned, but biofuels are nonetheless con...

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Q: Liquid hexane (CH,(CH,) CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (...

A: Hexane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical r...

Q: How many grams of PbBr2 will precipitate when excess NaBr solution is added to 72.0 ml of 0.791 M Pb...

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Q: If 31.4g of NaOH (MM= f Fi 40.00 g/mol) are added to 500.0 mL volumetric flask, and water is added t...

A: Answer: To find out the molar concentration of NaOH, first of all we will find out its number of mol...

Q: Closed end H20 Gas F2 Xe 26.4 cm

A: Answer: Generally the liquid in the manometer is mercury, so let's consider that the manometer liqui...

Q: 3. Determine the RS configurations of all the chiral centers in the following molecules. ÇOOH CH, CO...

A: Solution is given below in next step 

Q: Stock solution and dilution materials: 500mg ascorbic acid (powdered) and 2L distilled water Solve f...

A: Mass of ascorbic acid (C6H8O6) = 500mg Vol. Of distilled water = 2L Mol. Mass of ascorbic acid = 176...

Q: Part A The reaction below has an equilibrium constant of K = 2.2 x 106 at 298 K. 2 COF,(9) = CO2(9) ...

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Q: Question: You added 8 drops of Alizarin Yellow indicato and your solution appears yellow and transpa...

A: Alizarin, also known as 1,2-dihydroxyanthraquinone (C14H8O4), is a natural dye that, as an anthraqui...