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  1. M

    can someone help me finish this chemistry problem with phase changes?

    I need to do one more problem on my chemistry ws and i got stuck on the last one. the question is : if a piece of cadmium with a mass of 65.6 g and a temperature of 100.0 'C is dropped into 25.0 ml of water at 23.0 'C, what will be the final temperature of both the water and the cadmium? i got...
  2. M

    pre-ordering black ops from amazon?

    so i want to preorder the hardened edition from amazon because it's the only place that has hardened but i want to do it with an amazon gift card. will they ask for identification if i get it from there or is like just like buying anything from amazon in which case all i need to do is tell them...
  3. M

    pre-ordering black ops from amazon?

    so i want to preorder the hardened edition from amazon because it's the only place that has hardened but i want to do it with an amazon gift card. will they ask for identification if i get it from there or is like just like buying anything from amazon in which case all i need to do is tell them...
  4. M

    pre-ordering black ops from amazon?

    so i want to preorder the hardened edition from amazon because it's the only place that has hardened but i want to do it with an amazon gift card. will they ask for identification if i get it from there or is like just like buying anything from amazon in which case all i need to do is tell them...
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