A compound differs from a mixture in that a compound always has a?

1. homogeneous composition

2. maximum of two components

3. minimum of three components

4. heterogeneous composition

A 10 M concentrated stock solution of NaCl is used to prepare 2 liters of diluted 1 M solution. Which of the following is true for the process used to achieve the required dilution? The volume of the solvent used is less than 2 liters.

What are examples of convection?

Determine the number of moles of Krypton contained in a 3.25 liter gas tank at 5.80 atm and 25.5 °C.

What type of shift in the light spectrum due to the expansion of the universe did Edwin Hubble discover in most galaxies?

What is the two significant figure of 11.76 cm^2? Rounded Answer

What is a protein used for

Atoms of the halogen family typically steal two electrons from other atoms when they react true or false

Looking at the periodic table, which group consists of elements that will not form an acid when combine with hydrogen? A) radon, neon, calcium B) neon, bromine, barium C) beryllium, iodine, krypton D) lithium, potassium, fluorine

Mixtures have (exact, relative) amounts of the same substances

The Doppler effect indicates that the universe is expanded because A. light from other galaxies is different colors B. light from other galaxies are blue shift C. light from other galaxies are red shift D. light from other galaxies is the same color