# Posts by Student09

Total # Posts: 5

**Math**

Emma receives $7750 and invests it in an account that earns 4% interest compounded continuously. What is the total amount of her investment after 5 years?

*December 4, 2012*

**Math**

_The_Natural_Base_e_ An accident in 1986 at the Chernobyl nuculear plant in the Ukraine released a large amount of plutonium (Pu-239)into the atmosphere. The half-life of Pu-239 is about 24,110 years. Find the decay constant. Use the function N (t) = N 0 e -kt to find what ...

*December 3, 2012*

**Math**

Aidan has $7565 in his checking account. He invests $5000 of it in an account that earns 3.5% intersest compounded continuously. What is the total amount of his investment after 3 years?

*December 3, 2012*

**Chemistry**

How many grams of aluminum chloride are produced when 18 g of aluminum are reacted with an excess of hydrochloric acid? 2AL(s) + 6HCl(aq) ---> 2AlCl3(aq) + 3H2(g)

*November 26, 2012*

**chemistry**

_Calculating_Quantities_in_Reactions_ 1) _Blank_ in chemical equations provide mole ratios that can be used as conversion factors. 2) When calculating the numbers of particals,you can use _Blank_ as the conversion factor. 3)In making calculations involving _Blank_ you must ...

*November 26, 2012*

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