Sand is converted to pure silicon in a three step process. The third step is sicl4(g) + 2mg(s) → 2mgcl2(s) + si(s) δh = −625. 6 kj what is the enthalpy change when 25. 0 mol of silicon tetrachloride is converted to elemental silicon?

You are getting ready to transport troops in a m1152 configured with cargo cover and troop seats which of the following should you do before starting out

After studying french for 5 yearscin school, i was shocked to discover when i went to france that i couldn't even get a glass of water without a lot of sign language what is the author main point

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?