Me with this which sample of matter has particles arranged in a crystalline structure? a) ne(g) b) br2(l) c) nacl(aq) d) cuso4(s)

Why did southern business leaders want to increase the number of slaves

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.