Calculate these volumes.

(a) what is the volume of 25 g iodine, density = 493 g/cm3

(b) What is the volume of 3.28 g gasoous hydrogen, density = 0.089 g/L?

The table below describes the temperature of different colors of stars. Color Temperature red under 3,500 K orange-red 3,500 - 5,000 K white-yellow 5,000 - 6,000 K blue-white 6,000 - 7,500 K blue 7,500 - 25,000 + K If the Sun is white-yellow, which

Sugar is made up of clear, colorless crystals that dissolve easily in water, but the crystals and their solution do not conduct electricity. Which statement describes sugar?

Hydrocarbons in which carbon atoms form only single bonds and are arranged in a ring are called

How much heat is required to increase the temperature of 100.0 grams of iron from 15.0oC to 40.2oC? (The specific heat of iron is 0.46 J/g xoC).

Complete ground state electron configuration for the aluminum atom

What are the characteristics of Archaebacteria? A. they are single cells that have a nucleus and tend to live in extreme conditions. B. they are single cells that lack a nucleus and tend to live in extreme conditions. C.

Avogadro's number was calculated by determining the number of atoms in

A certain shade of blue has a frequency of 7.26 * 1014 Hz. What is the energy of exactly one photon of this light?

A 20.0 mL sample of a NaCl solution has a mass of 21.040 g. After the solution is evaporated to dryness, the dry salt residue has a mass of 4.348 g. Calculate the following concentrations for the NaCl solution.

What are the intermolecular forces present in Argon?