Find maximum mass of cao that prepared from ca and o
Calcium reacts with oxygen to make calcium oxide, CaO. What is the maximum mass of CaO(s) in grams that could be prepared from 9.12 g of Ca(s) and 2.03 g of O2(g)?
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The experiment is performed with hexane. A final weight for the gas of 0.31 grams is obtained. What is the value for n to be used in the gas law calculation?
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If the student would like this investment to be worth $1,000,000 in 45 years, what annual interest rate would the account need to pay?
An equilateral triangle has vertices at (0,0) and (6,0) in acoordinate plane. What are the coordinates of the third vertex? Youmay want to sketch it out.
A car is going at a speed of 21.6 km/hr when it encounters a 12.8m long slope of angle 30 degree. The friction coefficient between the road and the tyre is 1/2*0.732. Show that no matter how hard the driver applies the brakes,the car will reach th
Nitrogen and oxygen form an extensive series of oxides with the general formula NxOy. What is the empirical formula for an oxide that contains 30.44% by mass nitrogen?
Prove that the formula for the sum of the measures of the interior angles of a n-gon is 180(n-2) or 180-360 (Polygon AngleSum?) using a heptagon that can be cut into 7 congruent isosceles triangle. Put in two-column proof format.
A rectangular piece of paper is folded so that one corner lands on the opposite corner. The crease is as long as the longer side of the rectangle. What is the ratio of the sides of the rectangle?
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