One difference between mixtures and pure substances is that A) mixtures can be physically separated. B) mixtures are made of one type of atom. C) pure substances have no chemical bonds. D) pure substances can be physically separated.

What is the amount of energy needed to move an electron from one energy level to another? a. quantum c. bonding energy b. energy level d. orbital

What is true if ln k is negative? a.δgorxn is positive and the reaction is spontaneous in the forward direction. b.δgorxn is negative and the reaction is spontaneous in the forward direction. c.

Can you zooley answers.

Earth's rotation causes the cycle of _? Seasons Sunrise and sunset High and low tide

How many grams of H2O will be formed when 32.0 g H2 is mixed with 84.0 g of O2 and allowed to react to form water

Why does the sky change colors at sunset? 1 because the sun changes colors 2 because the atmosphere reflects colors 3 because long wavelengths are scattered the least 4 because short wavelengths are scattered the least

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia

Adding drops of food coloring to a beaker of water more organized system?