Which molecules below are rotational Raman active and which are inactive. O3 CH4 NH3 H2 H2O SiH4 CF6 C4H10

Q: how do we use buffers in our body.

A: Buffering in the blood is essential for survival. Blood pH must remain constant for normal bodily…

Q: Calculate the number of moles of carbon dioxide gas present in a 1.251.25 L flask at STP.

A: Volume of one mole of  gas at STP is 22.4 liter

Q: HQ حكمة Ho هده

A:

Q: Select the major product of the following reaction.

A: Hydration of alkene: Alkene gives hydration reactions in presence of an acid catalyst. The reaction…

Q: Write the IUPAC name for shikimic acid.

A:

Q: What is the relationship between free-energy change for a reaction and it's equilibrium constant?

A: Relation between free energy change and equillibirium constant can be given as:

Q: 3 サ + CH Cla AICIS 6

A: Given : structure of reactant Tip : friedal craft alkylation

Q: Use a graphing software to create the x-y scatter plot showing the pH of the experimental solution…

A: The endpoint is the point at which the indicator changes its color in any titration.  The…

Q: For each of the following reactions, balance the chemical equation, calculate the emf, and calculate…

A:

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: potassium acetate and ammonium bromide zinc sulfate and sodium sulfide potassium chloride and silver…

Q: 6. Arrange the following atoms in order of decreasing size-largest to smallest (assuming all atoms…

A: As we move along the period atomic size decreases and as we move along the group atomic size…

Q: Below is the Lewis structure of the carbon dioxide (CO₂) molecule. OCH Count the number of bonding…

A: Since, Lewis structure can be drawn by calculating the valence electron present in outermost orbital…

Q: Be sure to answer all parts. The following reactions have the indicated equilibrium constants at a…

A:

Q: لوه سم )NaOme 200*

A:

Q: Yes No ОН

A: If stable carbocation is formed as a intermediate than this carbocation is not rearrange.  Tertiary…

Q: (b) Describe in brief the origin of isomer shift in Mössbauer spectroscopy. Fe²+ possesses a more…

A:

Q: 138.0 g acetylene (ethyne) exists as a liquid at T = -84 °C, which is the liquid's boiling point.…

A: Given, The mass of the acetylene (C2H2) = 138.0 g The molar mass of the acetylene (C2H2) =26 g/mole…

Q: Calculate the percent by mass of potassium nitrate in a solution made from 40.0 g KNO3 and 295 g H2O…

A:

Q: 3.0 Hol. formula-C7 H140 * TRANSMITTANCE 100- 00- 80 20- 0- 4030 2.8 2.6 3500 3800 capillary film…

A:

Q: Two solids, 5.00 g of NaOH and 4.20 g of KOH, are added to 150 mL of water at 23 °C in a…

A: Given,  ∆Hsoln, NaOH  = - 44.3 kJ/mol  ∆Hsoln, KOH = - 56.0 kJ/mol  NaOH added = 5.00 g  KOH added =…

Q: HA is a weak acid. Its ionization constant, Ka, is 2.8×10-13. Calculate the pH of an aqueous…

A: Given concentration of NaA = 0.064 M  First we will calculate the concentration of A- :  NaA (aq)…

Q: So would 0.547 g/mol not be the experimental molar mass?

A: To determine whether 0.547 g/mol be the experimental molar mass of butane or not.

Q: 5. To which element does each of the following configurations correspond? a. 1s22s22p63s²3p4: b. 1s…

A: To answer the given question, we need to add the number of electrons in the given electronic…

Q: The Solubility Product Constant for silver bromide is 3.3 × 10-13. The molar solubility of silver…

A:

Q: Suppose 17.0g of barium nitrate is dissolved in 100.mL of a 0.70 M aqueous solution of…

A:

Q: What fraction of the pressure is due to nitrogen? Note: fraction due to nitrogen = N₂ pressure/total…

A: Given: At constant temperature and volume of 273 K and 22.4 L respectively, the pressure of the tank…

Q: b. Assign the geometry of the alkenes below as either E or Z: i. ii. OH OH D)

A:

Q: Provide a Type 2 Electrophilic Addition reaction (including detailed mechanism)

A: Addition reaction- The simplest definition of an addition reaction in terms of organic chemistry is…

Q: Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol…

A: The given reaction can be explained as:

Q: When a 30.0 mL sample of a 0.419 M aqueous hydrofluoric acid solution is titrated with a 0.404 M…

A:

Q: How many grams of PbCrO 4 will be produced if we produce 73.26 grams of KNO 3 in the reaction…

A: From the given balanced chemical reaction, the mole equivalent for the reaction can be found out.…

Q: 1. How much heat must be absorbed by 'x' grams of water to raise its temperature from 28.0°C to…

A: It is the amount of energy required to raise the temperature of substance to unit degree is defined…

Q: Calculate the pH of a solution that has an ammonium chloride of 0.047 M and an ammonia concentration…

A: According to the question we have, The concentration of the ammonia is given by = [NH3] = 0.054 M…

Q: одон он

A:

Q: the half life of carbon-14 is 5730 years. how long does it take for 2.6 grams of carbon-14 to be…

A:

Q: The mass of the earth is 5.98 X 1024 kg. How many moles of gold would have this mass? How many moles…

A: Given, Note: 1 kg = 103 g mass of earth = 5.98 × 1024 kg = 5.98 × 1024 × 103 g = 5.98 × 1027 g a)…

Q: O Macmillan Learning Find the rms speed of the molecules of a sample of N, (diatomic nitrogen) gas…

A: 1)

Q: Consider the equilibrium describing the endothermic dissolution of a solid in water. Zn(OH)₂ (s) —…

A: According to Le-Chateliers principle, as the concentration of product decreases, to compensate this…

Q: The specific heat of water is 4.18 J/g-K. AHsolution When a 9.15-g sample of gaseous hydrogen…

A:

Q: Which of the following enols will convert to the ketone on the right upon treatment with acid?

A: Given : structure of product

Q: i need the answer ASAP!!!! what is the name for 4 and 5?

A: Introduction: CoA in the given structure means Coenzyme A. IUPAC nomenclature can be incorporated as…

Q: Species AfH (kJ/mol) S (J/mol K) AG (kJ/mol) Mg(s) 32.67 H₂O(l) Mg(OH)2 (s) H₂(g) Charles D. Winters…

A:

Q: 7. In each of the following sets of elements, which element would be expected to have the highest…

A: Ionisation energy is the amount of energy required to remove an electron from isolated gaseous atom.

Q: Why are compounds composed of integer ratios of elements? Hints: It’s because of the Octet rule…

A: As per Dalton's atomic theory, atoms of the same or different elements combine in a definite simple…

Q: Which of the following solids is likely to be a valence precise tetrahedral semiconductor? Choose…

A:

Q: What happens when a Lewis acid reacts with a Lewis base? A covalent bond forms when: the Lewis base…

A: Correct option -->  the Lewis base donates an electron pair to the Lewis acid.

Q: Hexane, hex-1-ene, and hex-1-yne have the following fictitious boiling points, but not respectively:…

A: We need to consider the intermolecular forces that exist in hexane, hex-1-ene, and hex-1-yne as the…

Q: uggest how you would synthesize each compound, PLEASE use cyclopentanONE (with a ketone…

A:

Q: Identify the correct structure from the following. A. CH3-C-C-CH3 B. CH3-CH=CH-CH3 C. CH3-CH=CH2 D.…

A: The structures contains carbon-carbo  and carbon- hydrogen bonds . And we know each carbon atoms can…

Q: سنور CI -NH₂ CI Br

A: We have to carry out the below-given synthesis.