?Y+ 90 39 Pe

Q: Number 72

A: Given data: Total pressure = 1 atm  Number of atoms of He = 5 Number of atoms of Ne = 3 Number of…

Q: What is the correct answer for the following calculation: (1.25 - 0.0234) > 139.37? O 171 O 171.0 O…

A: given, (1.25 - 0.0234) ×139.37

Q: Define the term angstrom?

A: The new version of the metric system is the International System of Units (SI, abbreviated from the…

Q: 27

A: For the reaction., A (aq) <-----> B (aq) ∆H= - 350kJ/mol

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: Q28 Q30

A: We have to calculate the molar solubility of CaF2 in 0.25M solution of NaF. Ksp of CaF2 = 4×10-11 We…

Q: What is the correct answer for the following calculation: (1.25 - 0.0234) 139.37? O 171 O 171.0 O…

A: According to BODMAS rule we first solve bracket and then multiply with remaining part.

Q: NH2 AICI3

A: Here in this reaction AlCl3 has been used as a reagents so this reaction is the alkylation of…

Q: Q2 - For infants of both sexes, would you expect infant mortality to be higher or lower pefore or…

A: Infant mortality  rate is the amount of death of infant per thousand  live births .

Q: b. HaOa В. . CiaHaaO1 d. Naci

A:

Q: CuLi 1. 2. Нао

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: someone please help me answering questions #1, #3 and #5? Thank you

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

Q: answer both questions please! CH3 a eq KOH hat very

A: Haloform reaction: The haloform reaction can be used to transform acetyl groups into carboxyl…

Q: (16.1) (0.035 x 28)^-4

A: ->In multiplication and division answer contains least number of significant figure. ->In…

Q: CH3 HO Но CH3 Ph

A:

Q: HPO42- + H20 ---> OH¯ + НРО42 H2PO4"

A: H2O = Acid (as it looses hydrogen) HPO42-= Base (as it accept proton)

Q: [At+3]? =4. 56 × 1010 3 [2.91x10-4] 3 [Al+3]²=4. 56 × 1010 × [2. 91 × 10-4] =4. 56 × 1010 × 2.464 ×…

A: The corrected solution of above solution is explained in next step.

Q: NaCi NHẠC1 HC1 NaCH3CO2 КОН

A: The question is based on the concept of acidity and basicity. We have to arrange the solutions given…

Q: H20 dil. H2SO4

A:

Q: c) NaOMe Ph МеОн OTs

A: For E2 elimination the two departing group H & -OTs should be anti to each other. At first, we…

Q: How many nails are present in 14.5 lb of annular ring nails if two dozen of annular ring nails weigh…

A: The weight of two dozens of annular rings is given.  The number of nails in the given amount needs…

Q: Tube Observation Glucose Lactose Sucrose

A: First we have to know about Barfoed's test.   Barfoed's test : This test can be used to detect the…

Q: ne AH fc

A:

Q: 2CH31 H20 2H20 2NANH2 X4 X3 H*, Hg2* X2 1) СаС2 X1

A: NaNH2 works in a reaction as a base .That means it abstracts acidic hydrogen . The reaction of…

Q: g testosterone.

A:

Q: 1. PB13 2. NaCN CH3 OH

A: The given reaction is an example of SN2 reaction where the reaction takes place in a single step. In…

Q: 23 1. BH3, THF ICH CH3 9. end

A:

Q: 6d 35

A: The n denotes the principal energy level and l represents the sub shell level. range of l = 0,…

Q: Cd(s) + MgBr2(aq) →

A: This is single displacement reaction . Reaction in which one atom replace by another atom

Q: Please answer 1-3 thank you

A: The chemical reaction involves the combination of suitable reactants in a definite molar ratio to…

Q: [H30)=|

A:

Q: What is the answer of the following calculation:- 17 - 5.347 + 2.9 14.55 O 15 14.5 O 14.553 14.6

A:

Q: The answer must be 8.98*10^-14 ng H

A: We have to calculate the mass of H in 36.9 pg of strontium phosphide pentahydrate.

Q: CH30 ce

A: ->Here CH3O- acts as base hence , give elimination reaction and form alkene as major product.

Q: Multiple Choice 41 52 0.49 5.8 x 10-3 4.6 x 10-3

A: Given,  Kp = 0.49 Temperature = 1024 °c = 1297 K R = 0.0821 atm-L/mol-K □ng =change in gaseous moles…

Q: (CH3)3CCI (1 equiv) AICI3

A:

Q: MULTIPLE CHOICE ONLY 1-5

A: Acid- Base reaction is a type of chemical reaction that involves the exchange of one or more H+…

Q: CI CH3CI / AICI 3 H₂C CI

A: First of AlCl3 produces electrophile. After that electrophile will react with chlorobenzene and as…

Q: Common Fractions from Crude * 300 - 350 oc 30 - 70 oc 250 - 300 oc 90 - 200 oc 200 - 250 oc…

A: The crucial applications of temperature dependent separation process is discussed in this question.…

Q: 1. 51Cr + 0 е-> 24 __+y

A:

Q: wed Show esch ysdet tea (sot mehane

A: 1- DIBAL-H  2- H2CrO4  3- EtOH, H+  4- EtMgBr then workup  5- a) NaH, THF then b) ClCOCH3

Q: Answer the following questions

A: An aluminum wire have a 1.5 times larger cross section to pass the same current as a copper wire,…

Q: HQ H2SO4 140°С

A:

Q: Q26

A: Azimuthal quantum number is denoted by ( L )  value of L is from 0 to n-1  Where : n = principle…

Q: During liposuction, a doctor removes 4.0 L of fat from a patient. If the density of fat is 0.94…

A: We have given the density of fat (d) = 0.94 g/mL = 0.94 kg/L and the doctors remove 4 L of fat means…

Q: DET Drehyl tatarale IHO ook DET

A: Alkyne undergoes ozonolysis with dimethyl sulfide to give acids (propionic acid and acetic acid) via…

Q: CH3CF2OH vs CH3CCI20 CHACH COH VG CHA CH.

A: Given Which is more acidic in each pair of compounds? a. CF3CH2OH due the electron negativity nature…

Q: Is my proposed synthesis correct in the following picture?

A: In the given reaction, reduction occurs at the last step in mechanism.  The correct sequence the…

Q: After taking multiple measurements of the same sample you have determined that the range of the…

A: Measurement can be used to compare two objects. Mean is equal to sum of two measurements.

Q: Answer 10.59 (c)

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…