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Luke

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a person who studies and collects rocks for fun
1. 2 answers
2. 761 views
Predict the sign of ( ∆H) in each of the following reactions:NH3 (g) + HCl (g) NH4Cl(s) ∆S = +, ∆G = - Fe (s) + Cu+2 (aq)
1. 0 answers
2. 542 views
Predict the sign of ( ∆H) in each of the following reactions:NH3 (g) + HCl (g) NH4Cl(s) ∆S = +, ∆G = - Fe (s) + Cu+2 (aq)
1. 0 answers
2. 495 views
How do you divide a hexagon into 9 congruent parts?
1. 2 answers
2. 1,255 views
Find the value of z. Then find GE and EH and state whether E is the midpoint of line GH. GH = z + 6. EH =2z-4. GE=z.
1. 0 answers
2. 568 views
One of the countries in Central America uses Spanish as the official language of the country but also has 23 different Maya
1. 3 answers
2. 698 views
what would x^2+y^2-4x+2y=0 (Equation for a cirlce) be inr^2=(x-h)^2(y-k)^2 form? tnx I will start you off... x^2+y^2-4x+2y=0
1. 0 answers
2. 341 views
Hi how would i solve this??The equation of the cirlce is x^2+y^2-4x+2y=0. Determine the coordinates of the center and the radius
1. 0 answers
2. 337 views
When 1.0 mol of ammonia gas in injected into a o.50L flask, the following reaction proceeds to equilibrium.2NH3 <--> N2 (g) +
1. 0 answers
2. 921 views