How many Chlorine atoms are there in phosgene?

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A: Here we have to calculate the mass of ethylene needed to react with 0.124 mol H2O.

Q: Calculate the pH of a solution which has a pOH of 7.2 (standard conditions)

A: Calculate the pH if pOH = 7.2

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Q: How do we explain the behavior of gasses?

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A: CO(g) + H2(g) ----> CH3OH (l)  

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A: In mass spectrometry we use high energy electron bombardment on the sample to ionized that sample an...

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Q: Consider H2Se03(aq) --> H+(aq) + HSEO3-(aq) where [H+] = [HSE03-] = 0.200 M. The K %3D = 0.907 at so...

A: We are given [H+] = [HSeO3-] = 0.2M K = 0.907 We have to find the molarity of H2SeO3

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Q: Draw the product of this reaction. Ignore inorganic byproducts. KMNO4, NaOH cold

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Q: e following order depen phosphorus: OMe)s > PPH3

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Q: wavelength, micrometers 2.6 2.8 3 3.5 4 4.5 5 5.5 6 7 8 9 10 11 12 13 14 1516 100 80 60 40 3800 3400...

A: The given spectrum is corresponding to cyclohexane (option A).

Q: What is the splitting for Hc in the following molecule? Hc CI HE H. H. H. O- HA HB нн HE HG HH H H

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Q: Beta-2 adrenergic receptor is an example of an ionotropic receptor.

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Q: Give the name for the following complexes according to the latest IUPA nomenclature. (i). [Sn(CN)3CI...

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Q: At what pressure does the mean free path of O2 at 35degreesC become comparable to 10 times the diame...

A: Answer -

Q: 1. a. What is the pH of a solution prepared by adding 25.0 mL of 0.10 M acetic acid (Ka ) and 20-x: ...

A: 25.0 mL of 0.1 M acetic acid and 20 ml of 0.1 M sodium acetate are mixed. Acetic acid is a weak acid...

Q: Part A Given the following reaction at 298 K: 2 H2S(g) + SO2(9) → Ss (s) + 2 H2O(g) Calculate A,G un...

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Q: Which radical will not likely be formed? Take note of the asterisk as the point of radical formation...

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Q: Draw the skeletal structure of each product for each

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Q: 7. Lactic acid, also known as a-hydroxy propionic acid, is an a-hydroxy acid (AHA) found in some ski...

A: The answer has been outlined below.

Q: Draw the structure 3,5-diethyl-3-methyloctane in the window below.

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Q: Which statement is true а. Galvanic cells involve non-spontaneous redox reactions b. The oxidizing a...

A: Redox reactions takes place in chemical cells

Q: Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachteride.

A: Given :-  percent by mass of benzene in solution = 30%  To calculate :-  mole fraction of benzene 

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Q: (a) SO,-Ph i nBuLi, THF SO,Ph Ph Ph i. PHCHO Na/Hg ÓAc . Ac0

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Q: Constructing a Phase Diagram Visualize a substance with the following points on the phase diagram: a...

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Q: explain argon electron affinity according to slaters rules

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Q: Which of these processes result in an entropy decrease of the system?

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.