Wednesday
June 19, 2013

# Posts by Nora

Total # Posts: 99

algebra
ya i see it sorry it should read don invested some money at 9%

algebra
don williams invested some money st 9% simple interest. At the end of the year, the total amount of his original principal and the interest was \$6.540. How much did he originally invest

chemsitry
c. Use the enthalpy diagram provided above and apply Hess’s Law to determine the standard enthalpy of formation for C12O36H20N12 (s) using the results from part (a) and the following values: The standard enthalpy of formation of gaseous carbon dioxide is -393.5 kJ/mol The...

chemsitry
A sample consisting of 0.025 mol of a solid compound is placed inside a metal cylinder. The cylinder was immersed in a water bath consisting of 10.00 kg of water at an original temperature of 25.00 °C. When the compound decomposes, the temperature of the water rises to 29....

chemsitry
b. The decomposition reaction may be written in this form: C12O36H20N12 (s) → 12CO2 (g) + O2 (g) + 6N2 (g) + 10H2O (l) In the enthalpy diagram below, the arrows represent standard enthalpy reactions. (3) denotes the standard enthalpy of decomposition of C12O36H20N12 (s)....

general chemistry
A sample consisting of 0.025 mol of a solid compound is placed inside a metal cylinder. The cylinder was immersed in a water bath consisting of 10.00 kg of water at an original temperature of 25.00 °C. When the compound decomposes, the temperature of the water rises to 29....

essay
can you help me to do my essay?

Physics
How many uranium atoms are there in 8.2 g of pure uranium? The mass of one uranium atom is 4 × 10^−26 kg.

dress making
I need help with Dress making (sewing machines) 04201501 and (introduction to sewing) 04201400. If anybody can help, thank you....

Math 032 Algebra
how to get the answer 16 1/9 2 3/15

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