When 36.0g of sodium chloride is added to 100 g of H2O (water) at 25°C all the salt particles dissolve.Yet if you add one more g of salt and stir,no matter how vigorously or how long only 0.2g of the last portion dissolve in the soln.why?
The age of a bone was to be determined by 14C dating. 14C has a half-life of 5,730 years, and a Geiger counter shows that the 14C in living tissue gives 15.2 cpm g-1 of carbon. If the same Geiger counter shows that the 14C in a sample of the bone gives 3.8 cpm g-1 of carbon, h...
PROVE: Cos 2theta = .5 (cot theta - tan theta) Please help me
The distance in feet that a skydiver is from the ground (t) seconds after jumping from an airplane flying at 17,000 ft above ground is given by the following equation: d(t)=-16t^2 +17000. a.) how many feet above ground is the skydiver above ground after 4 seconds? b.)how many ...
If f(x)= 5x+2/3 - 2x-4/3, What is the value of f(x)-x
when 4 numbers b, b^2, b^3, and b^4 were arranged in order from smallest to largest, the result is b, b^3, b^4, and b^2. Which of the following is a possible value for b? The choices are: 1. 7/2 2. 11/6 3. 7/10 4. -2/5 5. -7/4
What is the domain of f(x)=15/x-3? the choices are: 1. All integer values of x 2. x<0 or x>0 3. x≤-3 or x≥3 4. x≠3 5. x<-3 or 0<x<3
The cost of a certain new car is g dollars. The car is on sale for h% off this price. What is the total cost of the car on sale after the addition of 7% sales tax?
2,500 in expanded form
introduction to finance-16
if you put $4000 in savings account that pays interest rate of 4%, compounded annually, how much will you have in 5 years? How much interest will you earn during the 5 years? If you put $4000 each year into a savings account that pays interest at the rate of 4% a year, how muc...