2, Answer the following questions: A) A Phosphorous forms 4 different chloro spe

Question

2, Answer the following questions:

A) A Phosphorous forms 4 different chloro species: PCl3, PCI4-,PCl5 and PCI6-. Which one or ones will be polar and which one or ones non-polar?

B) The EPA maximum allowable limit of CO (a poisonous gas produced by combustion of oil) in air at a work place is 35 ppm. If 1.0 L of air weights 1.3 g, How many grams of carbon monoxide are in 2.0 L of air?

C) The DeltaH^o for the reaction CH4(g) + 2Cl2 = CH2Cl2(g) + 2HCl(g) is -204.0 kJ, Calculate the DeltaH^o for HCI(g) + 1/2CH4Cl2 (g) = Cl2 (g) + 1/2CH4 (g)

(D) Carbondioxde is known to sublime, under what particular condition does CO2 exist as a liquid?

E) At what temperature in degree C the solid marble (CaCO3) will decompose to solid lime (CaO) and carbondioxide( g)? Given that the standard enthalpy and entropy changes are 1.79.0kJ and 160.0 J respectively.

F) In any phase diagram of a substance the point at which three phases exist together at equilibrium is called__________

(G) Dichloromethane is soluble in ethanol but not in water though both the solvents are polar, why? Be specific.

(H) The properties of solutions dependent only upon the amount of the

Solute but not its chemical properties are called__________

(I) A solution contains 13.5 g of KCIO4 dissolved in 110.5 mL of water at room temperature. What is the % by mass of the solution?

(J ) The molar mass of acetone in water cannot be determined accurately by depression of freezingpoint method because. (select correct answer),

(a) acetone is a covalent compound and dissolves in water with difficulty

(b) it is a liquid at room temperature and the solution freezes to solid at 0 degree C.

(c) It is a volatile substance and its vapor pressure is high

(d) It reacts with water forming a new chemical compound.

please explain as much as possible how to get the answer

Explanation / Answer

pcl3 is polar rest are non polar

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.