# Posts by Nicolas

Total # Posts: 20

**Chemistry**

In a closed container 1L of chlorine reacts with 1L of nitrogen and 1L of hydrogen. I need to give lewis structure, vsepr, box notation for valence electrons etc. (i know how to do this) But I'm doubting on what the reaction equation would be.

*January 15, 2016*

**Algebra**

A profit, P(X), for a certain item is a function relating the income from sales,S(X), and the cost of the item,C(X), The function is stated by the equation shown, where x is the number of items sold. P(X) = S(X) - C(X) When S(X) = 0.5x and C(X) = 10 + 0.1x, the range of P(X) ...

*April 22, 2015*

**Algebra**

The equations for two functions are shown below. f(x) = x + 3 and g(x) = 2x - 5 Which intercept is farthest from the origin compared to the other three intercepts? A) x-intercept of f(x) B) y-intercept of f(x) C) x-intercept of g(x) D) y-intercept of g(x)

*April 22, 2015*

**math**

Is { cos (a) + sin (b)} * { cos (a) + sin (b)}=1+ 2*cos (a)*cos (b)

*December 19, 2014*

**physic**

A cannon ball is fired at an angle of 30° above horizontal with an initial speed vi = 55 m/s. Assume the cannon ball leaves the cannon at ground level and ignore air resistance. (a) How long is the cannon ball in the air? (b) How far from the base of the cannon does the ...

*November 21, 2014*

**physics**

A dog sled team is pulling a sled across a flat patch of snow. The total force exerted by the four dogs is 475 N (applied horizontally). The sled (with driver on it) weighs 350 kg. and the coefficient of kinetic friction between the sled and the ground is (a) What is the ...

*November 21, 2014*

**English**

NEtholic REvolution -->How did agricultural advancements impact society? What are three reasons for that? How did agricultural advancements impact society?

*May 4, 2014*

**English**

I have to write a 1000 word essay on connecting, Hamlet's dealing with rejection, depression to THE real world life. How it affect's me. So can you help me with some dot jots on how depression can relate tothe world (peoples situations) from hamlet?

*May 4, 2014*

**Law and ethics**

which of the following best describes Formularies? A.A list of approved medications for which an insurance plan will reimburse subscribers B. Formulas for calculating coinsurance payments C. A list of generic drug ingredients for use in company medication D. People who act as ...

*February 4, 2014*

**ENG1511**

Apsolutely I'm suppose to write one

*February 28, 2013*

**physics**

a rock is tossed straight up with a speed of 30m/s. when it returns it falls into a hole 10m deep. what is the rocks velocity as it hits the bottom of the whole? how long would the rock in the air, form the instant it is released until it hits the bottom on the hole

*August 30, 2012*

**Pre-calculus**

How do I convert theta = 45 degrees Into a rectangular equation?

*December 12, 2011*

**physics**

A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H of 35.0 m above sea level, directed at an angle è above the horizontal with an unknown speed v0. The projectile remains in flight for 6.00 ...

*September 14, 2011*

**math**

3x+8>2

*February 17, 2011*

**14**

add home work

*January 28, 2010*

**science/ chemistry**

Any ideas? I'm really struggling

*September 14, 2008*

**science/ chemistry**

Over 80 000 vehicles per day pass the site and the traffic is frequently congested. The surrounding area is described as forming a street canyon. The temperature at the site had reached 25 °C by 08:00, when the ethane concentration was recorded as 7.09 ppbv. This is ...

*September 14, 2008*

**science/ chemistry**

Please, anyone can help?

*September 14, 2008*

**science/ chemistry**

Ethane (C2H6) is one of the many products of combustion of iso-octane, an important component of petrol. After release into the atmosphere, it is attacked by the hydroxyl radical, HO•, leading to its oxidation in the cycle of reactions when in a NOx-rich environment. ...

*September 14, 2008*

**cells**

what are the properties of blood cells. Since this is not my area of expertise, I searched Google under the key words "blood cells" to get these possible sources: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/B/Blood.html http://www.fi.edu/biosci/blood/red....

*May 20, 2007*

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