Wednesday
May 22, 2013

# Posts by halie

Total # Posts: 11

Chemistry
how much heat must be lost by 375 g of water for it to change from a liquid to a solid?

Algebra
log5(x+3)+log5(x-2)=log5(14)

Chemistry
How much heat is needed to increase the temperature of 60 g of H2O from ice at -5C to liquid at 20C?

math
the measure of an angle is 28 degrees greater than its complement. Find the measure of each angle.

Chemistry
That's about temperature, mine's not. I kind of know the steps but im not getting the right answer, which is 1.32 g Ca(OH)2

Chemistry
Determine the mass of calcium hydroxide produced when calcium carbide (CaC2) reacts with 0.64 grams of water according to the following balanced chemical equation: CaC2 + 2H2O -> Ni(OH)2 + NaNO3

Chemistry
What mass of sodium chloride is produced when chlorine gas reacts with 0.29 grams of sodium iodide? Unbalanced equation is given below: NaI + Cl2 -> NaCl + I2

Math
What Is The Perimeter of a square that has one side that's 7 inches long

AP Chem
An electrochemical cell consists of a nickel metal electrode immersed in a solution with [Ni2+] = 1.0 M separated by a porous disk from an aluminum metal electrode. (a) What is the potential of this cell at 25°C if the aluminum electrode is placed in a solution in which [A...

SOCIAL STUDIES
I need help on social studies about ancient rome

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