1. Cl2 and Brą have approximately the same shape and neither is polar.

(a) Upon cooling, both Cl2 and Brą form solids. Why?

(b) At 25°C, chlorine (Cl2) is a gas whereas bromine (Bra) is a liquid. Why?

From the data, they concluded that bubble wrap was the best insulating material. What is the weakness in the conclusion? A) It is the better of two insulators only; it is not the best insulator.

Which substance is oxidized and which is reduced in this reaction? Cl2 + 2HBr → 2HCl + Br2 A) HBr oxidized; HCl reduced B) HCl oxidized; Cl2 reduced C) Br2 oxidized; HBr reduced D) Cl2 and Br2 oxidized; HBr reduced

A solution a has PH of 8. Which hat dasevibes the solution? A) a strong acid B) a strong base C) a weak acid D) a weak base

How many sigma and pi bonds are present in the molecule hcn?

The atom with the same number of neutrons as 12c is

What is the most abundant substance dissolved in sea water? magnesium chloride sodium chloride

Problem 5.32 - enhanced - with feedback the rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically μr=0.002. suppose a 180,000 kg locomotive is rolling at 22 m/s on level rails.

Gina made a poster for plastic recycling week and included this information on her poster: What corrections should Gina make? Check all that apply. Gina should put "cellulose" under "Synthetic." Gina should put "plastic" under "Natural.

How is DNA linked to a person's inheritance?

Green plants take in water (H2O) and carbon dioxide (CO2) and produce glucose (C6H12O6) and oxygen gas (O2). Calculate the molar masses of carbon dioxide, glucose, and oxygen gas.