Saturday
May 25, 2013

# Posts by Anita

Total # Posts: 187

algebra
siplify the expression 1/4(6b +2) - 2/3(3b-2)

Chemistry
Very small crystals composed of 1000 to 100,000 atoms, called quantum dots, are being investigated for use in electronic devices. (a) Calculate the mass in grams of a quantum dot consisting of 1.400 104 atoms of silicon. (b) Assuming that the silicon in the dot has a density o...

Chemistry
What is the mass, in grams, of 4.56 1023 molecules of aspirin, C9H8O4?

Chemistry
How many moles of ammonium ions are in 0.807 g of ammonium carbonate?

Role Model
Hey, I have to do a peragraph on a person whom I consider to be my role model and my role model is my favourite actress Amrita Rao. Can all of you revise it for me? Amrita Rao is my role model because she like me believes in the philosophy that Life is short and sweet given to...

college
propose a health intervention aimed at eliminating health inequities

English
Unscramble these words: lytnme awhei diarn

chemistry
why do you need to use the mass of water in the q= equation, if you're trying to find the heat of solution of ammonium chloride?

chemistry
When 0.320 moles of NH4Cl is dissolved in 1.00 L of water, the temperature drops by 13.7 degrees C. What is the heat of solution of ammonium chloride? The solution has a density of 1.0012 g/mL and a specific heat of 0.9818 cal/g degrees C. How do you find the mass of water to ...

Math Probability
how to do probability and outcomes can u sjow the steps to do it please.

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