Sunday

May 24, 2015

May 24, 2015

Total # Posts: 49

**Chem**

mass x heat fusion= 23,495
*April 26, 2015*

**Chem**

How many kilojoules of heat are released when 185 g of benzene freezes at its freezing/melting point? (Heat of fusion for benzene = 127 J/g, Heat of vaporization for benzene = 393 J/g)
*April 26, 2015*

**CAL**

alright thennnn
*December 15, 2014*

**CAL- Plz?**

Help me??
*December 15, 2014*

**CAL**

The slope of the line normal to the graph of 4 sin x – 9 cos y = 9 at the point (x,0)? How do you do this?
*December 15, 2014*

**Calculus **

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at x = 1
*December 14, 2014*

**Cal**

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at x = 1. Which of the following describes what you found?
*December 14, 2014*

**Torque**

Calculate the torque produced by a force of 50.0 N applied clockwise perpendicular to the end of a bar of length 0.50 m.
*December 11, 2014*

**Economics- IPO help **

Does an IPO seem like a good idea for a business? What kind of things would you say in an SEC statement to demonstrate that your business? So would I say that the business is very successful and on its way in expanding?
*December 7, 2014*

**Economics help- Can someone help me?**

Please?
*December 7, 2014*

**Economics help**

Does an IPO seem like a good idea for a business? What kind of things would you say in an SEC statement to demonstrate that your business? So would I say that the business is very successful and on its way in expanding?
*December 7, 2014*

**math 11**

25,000 compounded for four years at a rate of 3.3%???
*October 10, 2014*

**math**

A. 6% B. 40% C. 50% D. 80% Pick one.
*May 6, 2014*

**math**

Jims records the number of cars his team sells in each month for a year. 4,6,8,6,7,3,5,3,9,8,7,9 What percent of the months does his team sell more than 6 cars?
*May 6, 2014*

**Physics**

Thats wrong
*August 29, 2012*

**Geometry**

determine the radius of a circle if a 24 inch chord is 9 inches from the center
*March 20, 2012*

**geometry**

The diameter of clock's face is 6 inches. Find the length of the minor arc formed by the hands of the clock at 4:00.
*March 20, 2012*

**Chemistry**

that's amazing... thank you so much Dr Bob!
*February 10, 2012*

**Chemistry**

A researcher studying the nutritional value of a new candy places a 4.90 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.75 Celsius. If the heat capacity of the calorimeter is 29.50 kJ K^-1, how many ...
*February 10, 2012*

**physics help**

help me with this question 2. A hydrogen electron drops from the n=4 level to the n=1 level. A. What is the energy of an emitted photon? B. Calculate the frequency of the photon. C. Calculate the wavelength of the photon.
*January 23, 2012*

**Algebra**

How do you factor out y=x^3-9x^2+9
*October 20, 2011*

**calculus**

Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = 3t ln t
*October 9, 2011*

**math**

in 1991 the life expectancy of males in a certain country was 73.7 years in 1997 it was 76.9 years let E represent the life expectancy in year T and let T represent the number of years since 1991 the Linear function E (T) that fits the data is E(t)=_____T+______ use the ...
*August 27, 2011*

**algebra**

solve by elimination method 3x+4y=4 6x+8y=8
*August 27, 2011*

**Mat 116**

Solve for m p=4m+4v the solution is m=
*August 27, 2011*

**chemistry**

Maybe you should actually do the experiment before trying to answer the questions?
*November 30, 2010*

**physics**

Thrown straight up?
*November 30, 2010*

**math**

Rate = Milk (pounds) / Cheese (pounds) Rate = 1000/100 = 10 Lbs Milk per lb of Cheese.
*November 29, 2010*

**More Frequency - Physics**

F = 381 +5.54 = 386.54 F = 381 - 5.54 = 375.46
*November 29, 2010*

**physics**

KE=(mv^2)/2 = (200*3^2)/2 = 900J
*November 29, 2010*

**11th grade**

Centripetal Acceleration = v^2/r = (circumference/time)^2/r = (2*pi*r/t)^2)/r = ((2*3.14*50/14.3)^2)/50 = 9.64 m/s^2
*November 29, 2010*

**physics**

None. F=ma. (Newton's 2nd law) Once a force is applied (gun is fired) it will travel at a constant velocity forever (unless acted on by an outside force. (Newton's 1st law).
*November 29, 2010*

**physics**

M1 = 910kg*6m/s = 5460kg-m/s M2 = 1440kg*17/s = 24480kg-m/s Mt = M1+M2 = 5460+24480 = 29940 kg-m/s Masstot = 910 + 1440 = 2350kg V = Mt/Masstot = 29940/2350 = 12.74 m/s
*November 29, 2010*

**11th grade**

The ratio of H to O (2 to 1) must stay the same if the only product is H2O, regardless of the amount of H2O produced.
*November 29, 2010*

**college**

The French colonized SE Asia. The communists tried to overthrow the French colonial governments. We were afraid of the "domino effect" where if one country fell to the commies, the rest would follow. We went into Vietnam to help the French after their defeat at Dien ...
*November 21, 2010*

**9th grade**

Work = Power * time Work = 478 Watts * 14 sec Work = 6692 Joules
*November 20, 2010*

**12th grade**

Alloy
*November 19, 2010*

**12th grade**

zero. Kinetic Energy is the energy of motion. Object not moving so KE=0.
*November 18, 2010*

**Finance**

Demand of Bonds Point Price of bond Interest rate (i) Demand A $925 (1000 - 925)/ 925 = 8.1% $100 billion B $800 (1000 - 800)/ 800 = 25% $400 billion Table 2: Supply of Bonds Point Price of bond Interest rate (i) Demand A $925 8.1% $400 billion B $800 25 % $100 billion Draw ...
*November 12, 2010*

**11th grade**

Newton's Second Law: F(or weight) = mass x acceleration. so, a = F/mass = 3.45/1.5 You do the math and don't forget the units!
*November 8, 2010*

**12th grade**

50 + 2 = 52 km/h
*November 2, 2010*

**english**

Google "Gantt Chart" and "Pert Chart"
*August 2, 2010*

**operations management**

A company requires 5,000 units of a product in a single year. It costs them $100 per order for expenses such as transportation and communication. If the product is carried in inventory, the carrying cost equals 1% of the price of the product for every month that a single unit ...
*April 29, 2010*

**science**

How are trees adapted to survive in an alpine ecosystem?
*October 19, 2009*

**science**

what is an adaptation
*October 19, 2009*

**science**

What is the name of the individual bones that make up your backbone?
*September 28, 2009*

**linguistics/society**

I just need three people to give their first thought definition of literacy. Please & thanks!
*May 19, 2009*

**cj 220**

Write a 700- to 1,050-word essay in APA format explaining the theory and reality of law as a “living body.” In your essay, include the following: o Law as a “living body” · Law on books versus laws in action · Objectivity of law · Law ...
*September 14, 2008*

**English**

i'm suppose to write an essay on the historical climate of a author i pick and it was lewis carroll, and i dont know what it means or where to get that info on it or what to write about it. please help! Historical climate is a description of the history of the time in ...
*January 27, 2007*

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