Thursday

December 18, 2014

December 18, 2014

Total # Posts: 27

**chemistry**

The decomposition of potassium chlorate (KClO3) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 10.2 mol of oxygen? Answer in units of mol
*December 1, 2014*

**physics**

The distance between two consecutive nodes of a standing wave is 19.2 cm. The hand gen- eratingthe pulses movesupand downthrough a complete cycle 3.23 times every 5.9 s. Find the velocity of the wave. Answer in units of m/s how do I solve it? thanks!
*October 19, 2014*

**Chemistry**

A 2.5 L sample of gas at 25 degrees Celsius is heated to 50 degrees celcius at constant pressure. What would the volume be at 50 degrees celcius?
*March 27, 2012*

**Chemistry**

A 5.0 L sample of gas at 1.0 atm and 25 degrees Celsius is compressed to 0.05 L and 5.0 atm. What is the temperature at this new set of conditions?
*March 27, 2012*

**Math**

solution to the equation x2 – 9x – 22 = 0?
*February 26, 2012*

**Math**

In right triangle PRS, sin ÚP = (8/17) What is <P?
*February 26, 2012*

**math. can someone explain this!**

using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is -16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid only until the ...
*February 10, 2012*

**math**

using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is -16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid only until the ...
*February 10, 2012*

**math**

using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is -16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid only until the ...
*February 10, 2012*

**Reading **

Helping my son with a book project, what is a plot paper bag or plot mobile?
*January 30, 2012*

**math**

51. The ﬁgure below illustrates an isosceles right triangle with legs of length 1, along with onefourth of a circle centered at the right-angle vertex of the triangle. Using the result that the shortest path between two points is a line segment, explain why this ﬁ...
*January 25, 2012*

**geometry**

51. The ﬁgure below illustrates an isosceles right triangle with legs of length 1, along with onefourth of a circle centered at the right-angle vertex of the triangle. Using the result that the shortest path between two points is a line segment, explain why this ﬁ...
*January 25, 2012*

**PHI 103**

Thomas jefferson owned slaves, so slavery must have been a good idea what fallacy is that?
*December 15, 2011*

**Math**

You have available five different investment strategies and their respective payoffs for various states-of-nature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate Decline Stable Moderate...
*September 25, 2011*

**Math**

Jan Gentry is the owner of a small company that pro¬duces electric scissors used to cut fabric. The annual demand is for 9,000 scissors and Jan produces the scissors in batches. On average, Jan can produce 185 scissors per day. Demand for scissors has been about 45 scis&...
*September 25, 2011*

**Statistics**

You have available five different investment strategies and their respective payoffs for various states-of-nature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate Decline Stable Moderate...
*September 25, 2011*

**Decision Criteria**

You have available five different investment strategies and their respective payoffs for various states-of-nature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate Decline Stable Moderate...
*September 25, 2011*

**PHYSICS - HELP**

A wind with speed 45 m/s blows across a roof 20 m long and 12 m wide. The pressure inside the room is 1 atm. What is the net force on this roof due to the pressure difference inside and outside the roof? (The density of air is equal to 1.3 kg/m3.) Question 1 options: A) 2.4 ...
*August 10, 2011*

**Chemistry**

Well what I did to get the % H2O is just subtract the end product(0.3423)from the original sample (0.6523) to get the 0.3100 H20 then found the percent by dividing and got 47.5% H20. Is this the completely wrong method of going about this problem and should do the moles way?
*October 12, 2008*

**Chemistry**

After 0.6523 g of CoCl2*6H2O is heated, the residue has a mass of 0.3423 g. Calculate the % H20 in the hydrate. What is the formula of the hydrate? -I understand how to get the % H2O in the experiment but how do you determine the formula?
*October 12, 2008*

**arithmetic**

Well I am really bad at math mostly multiplication and division.When I start to think that i am getting math my teacher teachs something new what do i do.
*September 26, 2008*

**color theory**

I know this is an old post, but the test is still the same. If you're tempted to copy the answers of the person that swears you'll get 100 percent with the answers listed, you won't. I got 100 by trusting my instincts and going with the answers I thought were right...
*February 21, 2007*

**economics**

john and jeremy are utilitarians. john believes that labor supply is highly elastic, whereas Jeremy believes that labor supply is quite inelastic. How do you suppose their views about income redistribution differ? Since this is not my area of expertise, I searched Google under...
*September 18, 2006*

**economics**

what policies might the government pursue to increase economic mobility across a generation? Since this is not my area of expertise, I searched Google under the key words "'economic mobility' 'government policy'" to get these possible sources: http://...
*September 18, 2006*

**economics**

what policies might the government pursue to increase economic mobility within a generation?
*September 18, 2006*

**economics help**

Could you please provide some suggestions to this question: provide one example of a positive externality that may have affected the U.S. economy in the last 5 years. Elaborate on its impact and consequences. Thanks A positive externality occurs when someone benefits from ...
*August 24, 2006*

**microeconomics**

I am having a problem with one of my homework questions and would like some help if possible...here is the question.. According to an article in the New York Times (Nov. 5, 1993),"many Midwest wheat farmers oppose the NAFTA free trade agreement asmuch as many corn farmers...
*August 21, 2006*

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