2 nf3 + 225 kj - > n2 + 3f2 is it exothermic or endothermic

The equilibrium constant for the gas-phase isomerization of borneol (c10h17oh) to isoborneol at 503 k is 0.106. a mixture consisting of 7.50 g of borneol and 15.0 g of isoborneol in a container of volume 6.

Which of the following is a way that minerals are formed? a. Minerals are left behind when super-heated water within the Earth cools. b. Minerals are left behind when water evaporates. c. Minerals are created through the destruction of other matter.

What are the Lewis definitions of an acid and a base? In what way are Bronsted definitions? they more general than the In terms of orbitals and electron arrangements, what must be present for a molecule or an ion to act as a Lewis acid (use HT and

For which H-atom wavefunction are you mostlikely to find the electron farthest from thenucleus?1.2p2.3p3.4pcorrect4.2s5.1s

A catalyst will (A) alter the pathway (mechanism) of a chemical reaction. (B) increase ∆H for the reaction. (C) decrease ∆H for the reaction. (D) decrease Ea for the forward reaction only

What does the dashes line represent? A. Medium B. Boundary C. Normal D. Incident Ray

Only a small amount of cerium oxide nanoparticles is needed because the nanoparticles ... 1) are elements 2) are very reactive 3) have a high surface area to volume ration

Describe the solubility of water compared to ethanol?

When the free-energy change (AG) of a reaction is negative, the reaction is said to be: Endergonic Non spontaneous Spontaneous Endothermic

The solubility of carbon dioxide gas in water can be increased by