Sunday

April 26, 2015

April 26, 2015

Total # Posts: 128

**Chemistry**

Determine the mass of antimony produced when 0.46g of antimony (III) oxide reacts with carbon.... (cont.)? ....occording to the following equation Sb2O3+3C ---> 2Sb+3CO please help me im soo lost, thank you!
*April 3, 2010*

**chemistry**

How many grams of gaseous required? If 0.260 mol of solid C and 20.0 g of solid TiO2 are reacted stoichiometrically according to the balanced equation, how many grams of gaseous Cl2 are required? 3TiO2(s) + 4C(s) + 6Cl2(g) → 3TiCl4(l) + 2CO2(g) + 2CO(g)
*February 17, 2010*

**English**

Is this a good thesis statement for an essay? If not, how should it be? In To Kill a Mockingbird, the auther Harper Lee chooses the protagonist Scout to be the narraotr of her novel because she is young, innocent and the narration is written in her adult perspective.
*November 22, 2009*

**calculus**

Equilateral triangle symmetrical about the y-axis means that the two sides which are the tangents have gradients -√3 and +√3. y' = -2x So the points of contact of the tangent to the parabola are (-√3/2, 9/4) and (√3/2, 9/4). Hence we can calculate ...
*September 23, 2009*

**Math**

1 2/4 + 1/3 =
*August 31, 2009*

**SCIENCE!!**

I love u guys for this
*January 28, 2009*

**algebra**

7n + the squareroot of n =18
*January 1, 2009*

**Maths/Physics**

From what I understand of this question if you keep breaking it in half you get: 4, 8, 16, 32, 64 etc. Which is 2^n+1 I'm just not sure where to go from there...
*November 18, 2008*

**Maths/Physics**

Is it possible to share a four fingered Kit Kat equally between 5 people if you can only break any one piece in half? Prove whether it is possible or impossible.
*November 18, 2008*

**chemistry**

What is the chemical composition of ozone, carbon dioxide, salt and water
*November 17, 2008*

**Business-Economics**

Describe any current or past news events related to wage inequality in the steel industry
*June 12, 2008*

**economics**

in general the role of board of directors is to: a) direct the day-to-day activities of the firm b) represent investor interests in management of the firm c) insure that the firm operates legally d)provide staff assistance to the CEO in strategic matters
*April 30, 2008*

**economics**

in general the role of board of directors is to: a) direct the day-to-day activities of the firm b) represent investor interests in management of the firm c) insure that the firm operates legally d)provide staff assistance to the CEO in strategic matters
*April 30, 2008*

**economics**

in the simple economics of a competitive market price increases under which condition: a) demand is constant. supply declines b) demand decreases. supply increases c) demand and supply rise concomitantly d) demand and supply decline concomitantly
*April 30, 2008*

**Health**

Carbohydrates, protains, and ____________ are the macronutrients. a) Lipids b) vitamins c) antioxidants d) minerals
*April 30, 2008*

**Science**

Air is composed of nitrogen, oxygen, argon, carbon dioxide, and other gasses. How may air be best described? a) a compound b) a mixture c) a solution d) an alloy e) an amalgam
*April 30, 2008*

**maths-probability**

Thank You
*April 16, 2008*

**maths-probability**

A family has four children. The probability of having a girl is 1/2. What is the probability of having 2 girls followed by 2 boys?
*April 16, 2008*

**maths-probability**

Thanks a lot
*April 16, 2008*

**maths-probability**

You get to throw a die. If you roll a 3, you win $6. If you roll a 1 or a 5, you win $3. If you roll an even number, you lose $6. Find your expectation for this game.
*April 16, 2008*

**Maths probability**

You get to throw a die. If you roll a 3, you win $6. If you roll a 1 or a 5, you win $3. If you roll an even number, you lose $6. Find your expectation for this game.
*April 15, 2008*

**Maths probability**

Thanks
*April 15, 2008*

**Maths probability**

Numbers is a game where you bet $1.00 on any three-digit number from 000 to 999. If your number comes up, you get $750.00. Find the expected winnings.
*April 15, 2008*

**math**

a rectangular mural is painted on a wall. if the mural is 12ft wide and covers 86.4sqft,what is the height of the mural?
*December 3, 2007*

**Math**

I'm in gr 11 doing Trigonometry 14.2 = b ---- ---- sin38 sin 67 a = 46 --- ---- sin20 sin130 (10.7)^2 = (9.5)^2 + (12.4)^2 - 2(9.5)(12.4) cos <B I just need someone to explain this to me because I just don't get it... thank you for any help
*September 23, 2007*

**Math**

Akite is 15m up in the sky. The angle the string makes with the ground is 50 degrees. How long is the kite string?
*September 4, 2007*

**Computer graphics**

Determine the equation for a cubic spline segment passing through two end points A (0, 5) and B (10, 20), having a slope of 2 and a curvature of -0.5 at A. Equation for cubic spline is:
*January 21, 2007*

**Math**

please solve -20+2h=20
*January 17, 2007*