EssayZap  
Enter Topic  
Portland Cement

Part one of term paper
is made up of four main compounds: tricalcium silicate (3CaOSiO2), dicalcium silicate (2CaOSiO2), tricalcium aluminate (3CaOAl2O3), and a tetra-calcium aluminoferrite (4CaO Al2O3Fe2O3). In an abbreviated notation differing from the normal atomic symbols, these compounds are designated as C3S, C2S, C3A, and C4AF, where C stands for calcium ox ...

Part two of term paper
... water molecules to form calcium silicate hydrate (3CaO 2SiO23H2O) and calcium hydroxide (Ca [OH] 2). These compounds are given the shorthand notations C-S-H (represented by the average formula C3S2H3) and CH, and the Hydration reaction can be crudely represented by the following reactions: 2C3S + 6H = C3S2H3 + 3CH 2C2S + 4H = C3S2H3 + CH During the initial stage of hydration, the parent compounds dissolve, and the dissolution of their chemical bonds generates a significant amount of ...

Word count: 1478 | Approximate pages: 6

Membership Price  
30 days recurring $19.95
90 days recurring $39.95
180 days non-recurring $69.95

Having a hard time getting started on that research paper that is due soon? Maybe you just don't know what to write about or just need some ideas to get you on your way? Worry that your essay won't be good enough to make your teacher happy? Wish there was some resource that could help? Worry no more... EssayZap is the solution! We have over 45,000 papers available on our site for you to peruse and print and will fit into any student's budget. Unlike some other sites that charge by the page or per download, we offer full and unlimited access to all the papers in our database. So join today and make your essay writing a snap!