1.how do you calculate the specific heat of a metallic element if 314 joules of energy are needed to raise the temperature of a 50.0 g sample from 25.0 degrees c to 50.0 degrees c. 2. how do you propose a method for determining the specific heat for a metal like sodium which ...
October 2, 2007
can some one pleasee help me!!!
The molecular structures of two penicillin-like compounds, A and B. in the compound A the C-C-N ring is intentionally bold, as is the C-C-C-C-N ring in compound B. By comparing these structures assess which of A and B, might be (i) more active than penicillin ...
June 30, 2007
1 atom of hydrogen has a mass of 2.6 x 10 power neg 21g.find the mass of 6000 atoms? 2.6 x 10 power neg 21 = 2.6 x 10^-21 6000 = .6 x 10^4 Multiply the two terms. When multiplying exponents, you add the powers. I hope this helps. Thanks for asking.
June 26, 2007
number of films seen by a group of people during the past year No of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0 1 What percentage of people had seen more than 4 films during the year? would it be 10/60 = 0.1666 x 100 = 16.6% is this right???
June 7, 2007
In what ways did each of the following contribute to the growth of democracy between 1800 and 1840? a. State constitution b. Charles River Bridge v. Warren Bridge decision c. Changes in political party procedures d. actions taken by Jackson himself ccccc??? Do you know any ...
November 15, 2006