Chemistry
If 32.6 g of aluminum is produced, how many moles of aluminum nitrate is reacted?
Math
How can you tell by looking at the coordinates of a point whether the point is on the x axis or the y axis?
Math
thanks for the help
Math
Don't understand the problem can somebody please help me The bottom of the rabbit cage is a rectangle with a perimeter of 118 inches. Let x be the cages width(in inches) and let y be its length (in inches). write an equation for the perimeter the find the intercepts
reading
son needs to use the word idioms in a sentence
Chemistry
Consider the reaction 2H2O(g) --> 2H2(g) + O2(g) deltaH = +483.6 kJ/mol at a certain temperature. If the increase in volume is 32.7 L against an external pressure of 1.00 atm, calculate deltaU for the reaction. (1 L * atm = 101.3 J)
algebra
The dimensions of a playground are 50 feet by 75 feet. You want to double its area by adding the same distance x to the length and width. Find x and the new dimensions of the playground.
history
What is a fertile crescent
math
How many equal line segments are needed to make a line of 30 triangles
statistics
determine whether the following formula is a probability distribution P(X)=X/20 for X=1,4,7 AND P(X)=X+0.1 for X=0.24,0.26,0.15
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