Chemistry 101
A bag contains a mixture of copper and lead BBs. The average density of the BBs is 9.60g/cm cubed. What is the percent of copper and the percent of lead?
math
5 inches by 7 inches, and the box must be at least 4 inches tall. What is the least possible volume of a box, in cubic inches, that meets these requirements?
chemistry
If 6.57 g of iron are reacted with an excess of hydrochloric acid, HCI, then hydrogen gas and14.63 g of iron (III) chloride are obtained. calculate the theoretical yeild and percent of yeild of FeCl3.
math
what order are these fractions from least to greatest 1/7,1/9,2/7,1/12 2 5/6,9/8,3 1/8,3 1/9 5/9,10/3,2 1/4,3/2 11/2,4 1/2,1/100,5 1/4
Algebra
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Algebra
Given the function f(x)=2x²-7x+4,find f(10)=? *2x squared
history
General Grant's army came closest to defeat in the West as a result of a surprise Confederate attack at the Battle of A)vicksburg B)Fort henry C)Shiloh D)manassa
Math 109
Your cousin has just won the lottery and wants to create an account that will have $100,000 in 16 years to help pay for their child's college tuition. If the account has a fixed interest rate of 4.6% compounded 4 times each year, how much money should they put into the acc...
chemistry
What is the wavelength of a 2500 kg truck traveling at a rate of 70 km/h?
Physics
An ideal gas is compressed at constant pressure to one-half its initial volume. If the pressure of the gas is 120 kPa, and 760 J of work is done on it, find the initial volume of the gas.
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