An oil refinery plans to separate a mixture that contains propane and octane, shown below, by vaporizing the mixture and then collecting the substances as they cool and condense.

1. Will propane or octane condense at a lower temperature?

2. Circle the letter of each sentence that is true about numbers expressed in scientific notation. a. A number expressed in scientific notation is written as the product of a coefficient and a power of 10. b. The power of 10 is called the exponent.

Ype in the formula for hydrochloric acid. b. type in the formula for periodic acid c. type in the formula for sulfurous acid

When you dropped a hot metal sample into room temperature water in the lab what happened

Suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2 + and Mn2+. The addition of HBr causes a precipitate form.

3h2 (g) + n2 (g) →2nh3 (g) If N2 is added to the reaction above it will shift. Left RIght

As the average kinetic energy of the particles in a gas increases, which of the following occurs? The temperature of the gas increases. The temperature of the gas decreases. The number of particles increases. The number of particles decreases.

What is the type of strong chemical bond between carbon, hydrogen, and oxygen atoms in a single organic molecule?

0.100 mol of CaCO3 and 0.100 mol CaO are placed in an 10.0 L evacuated container and heated to 385 K. When equilibrium is reached the pressure of CO2 is 0.220 atm. 0.

What is true about the charges of transition metal ions?

A gas obeys the ideal-gas equation of state P V = N k T, where N = n NA is the number of molecules in the volume V at pressure P and temperature T and n is the number of gm-moles of the gas.