Wednesday

September 17, 2014

September 17, 2014

Total # Posts: 21

**math**

After pulling into a parking spot, Ms. Feliz backed her car up 2 feet. Write an expression with absolute value to show the distance Ms. Feliz TRAVELD ARTER PULLING INTO THE PARKINSPOT
*November 10, 2012*

**Chemistry**

Please can someone answer this right now for me? What is the purpose of adding conc. HCL to the solution after cyclohexene has been oxidised by KMnO4 in the reaction of Cyclohexen + KMnO4 +H2O.
*September 16, 2012*

**Chemistry**

Can you provide me with some, at least two, examples each of the Limitations of the following chemical bondings; ionic bonding theory, coordinate bonding theory, covalent bonding theory and metallic bonding theory.
*August 8, 2012*

**Chemistry**

A hydrocarbon gas burned completely in O2 to give CO2 and H2O. It was found that 1volume of a hydrocarbon gas at STP produced 2volumes of CO2 and 3 volumes of steam at STP. What is the emperical formula of this gas? Please help me on how to work out the formula of the gas.
*August 6, 2012*

**Chemistry**

A hydrocarbon gas burned completely in O2 to give CO2 and H2O.It was found that one volume of hydrocarbon gas at STP produced two volumes of CO2 and three volumes of steam corrected at the same temperature and pressure. What is the emperical formula of this gas? Please show me...
*August 6, 2012*

**Chemistry**

Can somebody help me calculate the energy released when 1g of uranium 235 undergoes fission reaction.Explain each step when the mass of particles are given as: 235U92 = 235.04u , 142Ba56 = 141.92u and 92Kr36 =91.92u. Im stuck on these calculations.Pls rescue me.
*August 6, 2012*

**Chemistry**

Please help me explain How a nuclear reaction differs from a normal chemical reaction and give examples.
*August 6, 2012*

**Chemistry**

If an oil molecule is 100*10^-10m in diameter,then can 10^24 molecules fit exactly in a cube 1m on a side? Please help me answer this showing working out.
*August 6, 2012*

**math**

Make a model of a rectangular prism that is not a cube and has a surface area of 62 cm squared. What are the measurements of this rectangular prism? I know the formula, is 2ab+2bc+2ac=sa, and I know the answer to this problem... a=5, b=3, and c=2... I did this by trial and ...
*May 7, 2012*

**Biology**

via chemical signals released when the stomach is empty
*March 14, 2012*

**Life orintion**

Explain three checks and balances that are in place south africa that control and regulate madia
*March 11, 2012*

**Life orintion**

Explain three checks and balances that are in place south africa that control and regulate madia
*March 11, 2012*

**Math**

never mind... I got it! :-) FYI-- (250 mL/1) * (5/100) = 12.5g This is because D5W means dextrose in 5% water.
*November 1, 2011*

**Math**

Calculate the number of grams of dextrose in 250mL of D5W. I know that the answer is 12.5g, but I do not understand the work. Please help.
*November 1, 2011*

**MATH**

A local politician claims that 1 in 5 automobile accidents involve a teenage driver. He is advocating increasing the age at which teenagers can drive alone. Over a 2 month period, there are 67 accidents in your city, and only 9 of them involve a teenage driver. If the ...
*March 25, 2011*

**MATH**

A local politician claims that 1 in 5 automobile accidents involve a teenage driver. He is advocating increasing the age at which teenagers can drive alone. Over a 2 month period, there are 67 accidents in your city, and only 9 of them involve a teenage driver. If the ...
*March 23, 2011*

**Math**

1.)Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. You'll compute the sample mean commute distance. Now imagine repeating the survey many, many times, each time recording a different sample mean commute distance. In the long ...
*March 16, 2011*

**Spanish**

40. You are talking about Luisa and Mario, so you are looking for the word “they.” The word nos is the same as nosotros, which means “us,” or “we.” So I believe the correct choice in this sentence is “a,” since “les” is they. ...
*March 15, 2011*

**Nutrition**

How do you calculate a patient's fluid needs? The patient is male, his current weight is 229#. His usual weight is 240#. His ideal weight is 172 #. Kcals needed per day are 3121. I also know that there are 30mL/1kg, but I'm really not sure how this information relates...
*November 11, 2010*

**math**

F=G((mM)/(d^2)), solve for d I need to know the steps, so I know how to do it in the future. Thanks
*September 19, 2009*

**science**

_____ describes the life cycle of a star. Nuclear fusion Nebular clouds Stellar evolution The big bang
*October 22, 2008*

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