Which two gases make up more than 95 percent of an inhaled breath? Multiple Choice о о O о NO₂ and N₂ CO2 and 02 O2 and N2 N₂ and Ar

Q: What is Van dorn water sampler

A:

Q: Solve the problems given on the handouts you can find in content area -IR handouts- make sure you…

A: The sharp peaks at 2900 to 3000 cm-1 indicates the presence of the SP3 C-H bond .  Sharp peak at…

Q: You didn't post anything!!! where is the drawing solutions?

A: Certainly! The creation of a carbocation and the following attack of a nucleophile are the two…

Q: 0.4ml to minims

A: ml and minims are unit of Volume   1 ml = 16.2307 minims 0.4 ml =0.4 × 16.2307 minims0.4 ml =6.49228…

Q: The Q vs time plot below represents which of the following disturbances to this chemical…

A: The given curve indicates that the reaction is in equilibrium,The given Reaction is an acid base…

Q: Importance of Standardization of NaOH

A: Standardization of a solution is done during the experiment of titration. In titration,…

Q: Calculate: a) The average amount of paracetamol per tablet using both the calibration curve and the…

A: We will plot a calibration curve with absorbance as y axis and concentration as x axis which will…

Q: QUESTION 28 Using the rules that we learned in class, write the name of MnO2. QUESTION 29 Using the…

A: Rules for naming simple ionic compounds - First of identify metal and non metal in compound.Name the…

Q: 28. The second ionization energy of Mg is 1445 kJ/mol. The first ionization energy is a) 1445 kJ/mol…

A: Which of the following is correct

Q: CH3 OHC1, RCO3 H OHCI O Cl₂ O H₂O, Cl₂ CH3 -Cl

A: Answer:Electrophilic addition reaction is the characteristic reaction of alkene where electrophile…

Q: CH₂COOH(aq) is classified as a # acid. The reaction equation with water utilizes which of the…

A: A weak acid is that acid which do not undergo complete dissociation in water.

Q: The local anesthetic novocaine is the hudrogen chioride salt

A: The overall reaction is: Calculation of Ka of novocaine:

Q: C/ поведен НО OH SOCIz Pyridine

A: SOCl2 known as thionyl chloride used to convert carboxylic acids to acid chlorides. The reaction…

Q: Он only source of C OH

A: In the given question we have to predict the mechanism of the reaction.The given reactant is an…

Q: e) Which of the following formulations can be used to make a liniment a) 0) and (i) ) and () O…

A: e) The formulation that can be used to make liniment are Suspension Solution Emulsion

Q: Draw the starting monomeric structure that would lead to this addition polymer. Drawing. BuLi

A: A monomeric unit of the given polymer is obtained by breaking polymeric bonds and introducing a…

Q: Does it safe to use this sunscreen K on acne prone skin. And can we rinse off it by only using…

A: As I can see the ingredients so according to the ingredients it is not safer to use on acne- prone…

Q: Which of the following statements regarding the rate constant in the rate law expression is not…

A: Rate constant is defined as the proportionality constant between the rate of a chemical reaction and…

Q: What is the purpose of adding charcoal in toothpaste formulation? Is it approved by American Dental…

A: Ans. Purpose of adding charcoal in toothpaste formulation: Recently, charcoal-containing…

Q: Please give another example. Thank you

A: Gross Errors :-  The errors which are large in magnitude and are due to human mistakes in reading…

Q: Name and explain some commercial ways on how to treat water hardness (Provide an explanation per…

A: Water hardness is a common problem in many areas around the world, caused by the presence of…

Q: If a 103 g sample of the liquid iodobenzene has a volume of 56.4 mL, what is the specific gravity of…

A: Given: mass of iodobenzene = m = 103 g            Volume of iodobenzene= V =56.4 mL  Required:…

Q: Write the resulting linear regression equation and R² of the plotted standard calibration curve.

A: To provide the regression equation and the R2 value of the plotted standard calibration curve.

Q: HO- - OH 1 solute 1₂ | OH OH 1 CH₂-CH-CH-CH-CH-C-H H NHINO, I OH Which is the better solvent? || H…

A: is a nonpolar molecule. is a nonpolar solvent. is a polar solvent.Like dissolves the like. So, the…

Q: 1. What is the use of boiling chips? 2. List at least 3 limitations of using distillation as a…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Exposure to solvents over a long period of time can cause: Kidney Cancer Lung Cancer Hearing Loss…

A: Solvents are very much hazardous to health.

Q: Graphs Using Excel, create an absorbance vs. à curve for Brilliant Blue. Connect the points with a…

A: To draw graphs:Absorbance Vs. WavelengthAbsorbance Vs. Concentration

Q: Assuming

A: Extinction co-efficient = 0.01662 Lmg-1cm-1 Concentration of unknown sample = 14.634g/ Explanation~

Q: ECH CH3

A: Given are organic reactions. In reaction 1, reactant is alkyne.In reaction 2, reactant is alkene.

Q: In tablet formulation, what is the importance of using Avicel® PH grades as excipient?

A: Avicel is the trade name of microcrystalline cellulose used in tableting as a flow aid, compression…

Q: Inorganic byproducts.

A: We have ben asked product of given reaction.Ketones are organic compounds that contain carbonyl…

Q: 1. NaOCH3/CH₂OH 2. CH3CHO 3. H30+ ОН CH3

A: The alpha hydrogen of carbonyl compounds is acidic in nature and it is removed as a proton in the…

Q: Select the product of the following reaction. и O O ОН ОН OH NaBH4, CH3OH

A: Given,The reaction:

Q: MsO¹- DBU CH₂Cl2

A: The above question is based on organic reactions and mechanisms.We have to draw the product and also…

Q: Identify the appropriate atoms(s) by selecting each atom and assigning it a map number of 1 until…

A: A chiral centre in a molecule is said to be responsible for the optical activity.Chirality is…

Q: H. H CH3

A:

Q: PLEASE HELP WITH ALL. THANK

A: The dehydration of an alcohol to get alkane structure

Q: A doctor orders 5.0 mL of phenobarbital elixir. If the phenobarbital elixir is available as 60. mg…

A: Given the concentration of the available phenobarbital elixir = 60. mg/15 mL  Required conversion…

Q: Н H 12, HOEt HCI, DMF H3PO4, HOMe A В с

A: The first reaction is the addition reaction. The mechanism involves the formation of bridged…