2.2 Dichloroethane, CzH4Cl2, is used to prepare chloroethene. Chloroethene is a monomer which is used to make polyvinylchloride (PVC) as follows:
C2H4Cl2 - CH3CI + PVC
Reaction 1 Reaction 2
2.2.1 Write down the name of reaction 1. (1)
2.2.2 Write balanced structural formulae to represent reaction 1. (3)
2.2.3 Write down the name of reaction 2.
2.2.4 Write the structure of PVC showing two repeat units. (2)​

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?