how did they got those answers

Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: an ozone (O3) molecule in the upper atmosphere moving at 540 m/s Express your answer using three…

A: Given data :

Q: What is the Gibbs energy for the given reaction at the specified temperature and with 2M NO₂, 1 M…

A: The balanced chemical equation is: 2NO(g) + O2(g) → 2NO2(g)   Temperature, T = 298.15 K which is the…

Q: Which molecule has the lowest pk₂? bf-on О в DA с A B _H H Н 0=2

A:

Q: compound A has a strong, broad IR absorption at 3200-3500 cm-¹ and the proton NMR spectrum shown.…

A: IR spectroscopy: IR spectroscopy can be known as the technique which helps in determining the…

Q: 6. How many mL of 6M HCI solution should be diluted to make 200 mL of a 1.5M solution?

A: For dilute solutions,  M1 x  V1  =  M2  x  V2 where M1 is the initial concentration, V1 is the…

Q: What is the Gibbs energy for the given reaction at the specified temperature and with 2M NO₂, 1 M…

A: The balanced chemical equation is: 2NO(g) + O2(g) → 2NO2(g)   Temperature, T = 298.15 K which is the…

Q: 3. The reaction of CO and NO2 is second order with respect to NO₂ and zero order with respect to CO.…

A: Answer: Power of concentration term of a reactant is in the rate law is the order of reaction with…

Q: 4) Unknown ideal gas occuples 1.000 0.0.005 L volume with pressure of 0.492 ± 0.009 atmospheres at…

A:

Q: Solubility (g of salt in 100 g H₂O) 100 90 80 NaNO 70 60 50 40 30 20 10 Ce₂(SO₂) 0 0 10 20 30 40 50…

A: A saturated solution is the one in which the maximum amount of a solute has already been dissolved…

Q: Mg(s) + Br₂(1)→ MgBr, (s) CH,C CH, (g) +50₂ (g) 3C0₂(g) + 4H₂O(g) NaOH(aq) + HBrO(aq) reaction 1…

A:

Q: 3. For the following reaction : NO₂(g) → NO(g) + O(g) - A plot of 1/[NO2] vs t yields a straight…

A: #3: The chemical equation to be considered is: NO2(g) → NO(g) + O(g)  In the graphical determination…

Q: A 0.10 M solution of a monoprotic acid is 4.4% dissociated. What is the Ka value?

A: The concentration of monoprotic acid HA is 0.10M and it's percent dissociation is 4.4% . We have to…

Q: A flask of 1.5L of 0.9% saline is required over 8hrs with a DF of 20. How many DPM is this?   side…

A: Given Total volume to be transfused= 1.5L Total time    = 8 hrs Drop factor(DF)    =  20

Q: A 0.350 g sample of a large biomolecule was dissolved in 15.0 g of chloroform (CHCl3), and the…

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Q: According to the following reaction, how many moles of bromine will be formed upon the complete…

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Q: 3. Isolation of a natural product gave a ketone of molecular formula C8H160. It was decided that…

A:

Q: What is the standard entropy for the given equation? Use the table as a reference.  2. What is the…

A: Equation: 2NO(g) + O2(g) ---> 2NO2(g)  delta S0 = (2 mol*240.0 J/mol K) - [(2 mol*210.7 J/mol K)…

Q: C D E

A:

Q: Calculate the [H+] and [OH-] for each of the following: a.) 0.760 M HNO3 b.) Gastric Juice, pH 1.8

A: pH is defined as negative logarithm of hydrogen ions present in the solution. We have to calculate…

Q: 7) The hydronium ion concentration of a 0.0010M acetic acid solution is 1.3 x 10 4M. What is the pOH…

A:

Q: In a process producing KNO3 salt, 1000 kg/h of a feed solution containing 10 wt% KNO3 is fed to an…

A:

Q: Which molecule has the lowest pk₂? (Your answer may include more than one of the choices if the…

A: -> Ka represent acidity . -> Ka is maximum for more acidic species. -> pKa = -logKa  ->…

Q: How do enzymes affect the proteins that we ate?

A: Amino acids are organic compounds that contain both amino and carboxylic acid groups. Living things…

Q: 3. Consider the formation of lactone (cyclic ester) 6 from 5 НО. OMe 5 6 a. Draw a specific…

A:

Q: O H O

A: Sodium amide ( NaNH2) is a base which is strong enough to abstract proton( H+) from an active…

Q: What is the bond line structure of the IUPAC name? Draw the structure and give how many carbons are…

A: IUPAC nomenclature: In IUPAC nomenclature  a molecule's longest chain of carbons is taken as parent…

Q: Below are the paired reduction reactions for chemolithotrophic denitrification: these organisms are…

A: We have to find the value of standard reduction potential.

Q: A complete combustion of octane, C8H18, a component of gasoline, proceeds as: C8H18(l ) +   O2(g)  →…

A:

Q: b. How many total atoms are there in a body-centered cubic cell? Answer:

A:

Q: 2. A solution made by adding 1.63 g of K₂S (MM=110.3 g/mol) to 10.0 mL of H₂O has a volume at 20°C…

A:

Q: A researcher dissolved 12.5 mg of a protein in 1.50 mL of water at 5.00 °C. The resulting osmotic…

A:

Q: H-C- H -C-H Cyclopropane H tain temperature, the rate constant for this r

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: A 1.000 g sample of an unknown compound containing only carbon, hydrogen, and oxygen was analyzed…

A:

Q: When using a volumetric flask, is it important to prepare solutions at room temperature? a.It's not…

A: The Answer of he following question is- The volumetric flask is a thin-necked pear-shaped…

Q: 3. Determine the relationship between the sets of compounds (identical, different compounds, or…

A: The compounds with the same molecular formula but different bond connectivity are structural…

Q: 180.16 mg of glucose is dissolved into water to make a solution with a FINAL volume of 1 dm^3. What…

A:

Q: How many moles of xenon are in 1.00 g? 1.00 g Xe =

A: given,  mass of Xe = 1.00 g   we need to calculate moles of xenon

Q: 3. Identify the acid-base conjugate pairs in each of the following reactions: a.) HCO3 + HCO³ →…

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…

Q: In lab you need to measure out 0.82 mol of C6H12O6 for an experiment. How many grams should you…

A:

Q: 2ml of 0.425M NaOH solution is required to neutralize 25.0ml of H2SO4. Determine the concentration…

A:

Q: Name the alkane and draw the condensed and skeletal structures for: НУ Н И Н Н М t HHAAAAA Name the…

A: Lewis structure, skeletal structure, and condensed structure are three different representations of…

Q: A 0 ΝΗ B NH

A:

Q: If 46.5 g of NaOH (MM = 40.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to…

A: In this question, we will determine the concentration of the NaOH solution.  Given :  Mass of NaOH =…

Q: Consider the reaction, 2AB2(g) = A2(g) + 2B2(g), Kc = 0.263 at 25°C. The reaction begins with an…

A:

Q: Express your answer in the order of orbital filling as a string without blank space between…

A: Electronic configuration : It is the representation of distribution of electrons in the atomic…

Q: Question 10 of 11 A pentapeptide has the abbreviation "GREAT". Draw the peptide and give its…

A: Peptides are the compounds in which an amide bond links the amino group of one alpha amino acid and…

Q: How will you prepare a 500 mL solution of 2.24 m oleic acid (C₁8H340₂) in hexane (density = 0.659…

A:

Q: How do I find the bond order of these resonance structures?

A: BOND ORDER:-Bond order tells about the bonding electron pairs in between atoms. •If bond order is…

Q: 2) Name and draw the (wedge and dash) structure for the following molecule Et 13 D CH3 H Et H CH37

A: The above given Newman projection can be converted into wedge-dash form either directly or by…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for