Which one of the following mineral groups exhibits a sheet-like silicate structure? (cleavage in a single plane)

Labeling Groundwater/Aquifers Diagrams     Note: labels may be used more than once AND there may be more than one choice per match (choose all) (Underlined letters represent that layer/zone) (CD, A , and BE are pipes)            aquitard(s) = ____ 

In the Northern Hemisphere, storm surge is always most intense on the ________ side of the eye (viewed from the ocean) where winds are blowing ________ the shore.

The molecule below has sigma (σ) and pi (π) bonds. How many are of pi (π) type?  

Which gas, krypton or argon, diffuses faster under the same conditions?

 Calculate the standard enthalpy change for the reaction below using the given heats of formation. B2O3(g) + 3COCl2(g) 2BCl3(g) + 3CO2(g)                 ΔHof of B2O3(g) = –1272.8 kJ∙mol–1                               ΔHof of BCl3(g) = –403.8 kJ∙mol–1   ΔHof of COCl2(g) = –218.8 kJ∙mol–1                                 ΔHof of CO2(g) = –393.5 kJ∙mol–1  

Calculate the energy of a photon with a wavelength of 535 nm.   h = 6.626×-34 J∙s and c = 2.998×108 m∙s–1

Which sample represents a larger mass?

Carbon tetrachloride, CCl4,  is a liquid with the density of 1.59 g/mL and molar mass of 153.8 g.  How many moles are present in a 10.0 mL sample of CCl4?

When a 45.0 g sample of a certain metal at 100.0 °C is dropped into a coffee cup calorimeter containing 100.0 g of water at 25.0 °C, the thermal equilibrium is reached at 37.0 °C.  What is the specific heat of the metal?  The specific heat of H2O(l) is 4.184 J·g–1·°C–1. Assume no heat is lost to the walls of the cup and to the surroundings.