Wednesday

June 1, 2016
Total # Posts: 22

**chemistry**

Consider the following equation: CO + 2 H2 → CH3OH △H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2
*December 6, 2015*

**chemistry**

Consider the following reaction: 2 Mg + O2 → 2 MgO △H rxn = -1203 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 4 moles of Mg.
*December 6, 2015*

**statistics**

What is the exact value that is 2727% of 23022302?
*February 10, 2015*

**physics**

A shot-putter launches a 7.5kg shot with a speed of 12m/s at an angle of 37 degrees above the horizontal. if, upon release, the shot was 2.0m above the ground, determine (a) the horizontal range of the shot. (b) the speed of the projectile through the air just before it hits ...
*January 14, 2015*

**Algebra**

Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis
*December 31, 2012*

**S.S**

What Events Led The Washington Crossing The Delaware
*October 4, 2012*

**statistics**

I visited a beautiful flower garden yesterday and counted exactly 90 flowers. Each flower was either red or yellow, and the flowers were not all the same color. My friend made the following observation: No matter which two flowers you might have picked, at least one was bound ...
*June 13, 2012*

**statistics**

A group of 50 teachers and school administrators attended a convention. If any two persons are picked at random, at least one of the two would be a teacher. From this information, what percentage of the people at the convention were teachers? Could someone help me start this, ...
*June 13, 2012*

**College Algebra**

x + y = 2 x - y = 26 Add the two equations: 2x = 28 x = 14 Subtract the second original equation from the first one: 2y = -24 y = -12 Sum: 14 - 12 = 2 Difference: 14 - (-12) = 26
*June 13, 2012*

**Math**

There are 64 possible dice throw outcomes. The throws with sum 10 are: (2,8) (3,7) (4,6) (5,5) (6,4) (7,3) (8,2) Therefore P(10) is 7 out of 64 (7/64)
*June 13, 2012*

**Calculus**

find the intervals where the function is increasing and the intervals where it is decreasing f(x)= (x^3/3)-(x^2/2) ok i found its derivative which is (f1(x)=(x-1)x my options are increasing a) (0,infinity) b) (-1,0) c(-infinity,0)U(1,infinity) decreasing a) (0,1) b) (-infinity...
*March 9, 2011*

**Math**

my problem is: From the box containing 5 red balls, 7 blue balls, 10 black balls. you select 4 balls what is the probabilty that EXACTLY 2 balls are black. i know that you start it/set it up like this: c(10,2)c(2,1) divided by c(22,4) and i can get the answer by plugging it in...
*December 13, 2010*

**Math**

i meant c(10,2)c(2,1) divided by c(22,4)
*December 13, 2010*

**Math**

my problem is: From the box containing 5 red balls, 7 blue balls, 10 black balls. you select 4 balls what is the probabilty that EXACTLY 2 balls are black. so i know how to start it c(10,2)c(2,1) ---------- c(22,40 but how do you solve that ?
*December 13, 2010*

**math**

Roundes to the nearest ten I am 40. The sum of my digits is 11.
*August 26, 2010*

**government??**

What would happen if Judiciary Review didn't exist. That is what would the differences be today in Judicial Review hadnt come into place from the Marbury v madison case. I mean,, i know that obviously all these cases would have never been decided. but what else??
*December 7, 2009*

**question**

Sometimes it is necessary to challenge what people in authority claim to be true. Although some respect for authority is, no doubt, necessary in order for any group or organization to function, questioning the people in charge-even if they are experts or leaders in their ...
*December 3, 2009*

**Government**

very interesting, and its ture, I don't believe many people would be so happy funding campaigns through their taxes. thankyou for your insightful opinion :]
*October 5, 2009*

**Government**

Im reading about the oublic and campaign finance reform and how many candidates have talked about campaign finance reform but nothing has really changed. Many say that poltical contributions have too much influence on elections and that it is a major problem for the system. ...
*October 5, 2009*

**psychology**

1) What is The "why" of behavior most of the time referred to as? 2) What is the psychological consequemce of the state of deprivation called? 3) The psychological state of deprivation which an individual may experience and which may incite him to action ...
*October 18, 2008*

**Literature**

During what part of "Bernice Bobs Her Hair" does Bernice cut Marjorie's braids? A. Climax B. Rising action C. Falling action D. Epiphany
*August 7, 2008*

**World History**

Who is Athena Parthenos ? Athena Parthenos is the goddess for which the Parthenon is named after. http://en.wikipedia.org/wiki/Athena
*May 10, 2007*

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