1. a sanidine crystal (kalsi,0s) has a mass of 27.734 g, how much heat is released to the surroundings if the crystal is cooled at constant pressure from 800 to 298 k? hint: use the cp equation and coefficients in the table from holland and powell (1998) to retrieve an equation for enthalpy changes.

Use a graphing calculator to solve the equation - 3 cos t = 1 in the interval from 0 ≤ theta ≤ 2 π round to the nearest hundredth.

The map above shows where people live in the united states. areas that are darker blue are areas where people live close together. areas that are lighter colors are places where people live farther apart. as a geographer, if you were to study where people live and why they choose to live in these places, which of the six essential elements of geography would you be using?

Which descriptions refer to cirrus clouds? check all that apply. are fluffy are wispy produce snow form at high altitudes form from ice crystals