What are some good resources or links
What are some good resources/links for a thorough yet decently quick review of chemistry (midterm 25th, final 30th). Any help would be greatly appreciated.
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Approximately 10% of the glass coming off a production line have serious flaws in the glass. If two bottles are randomly selected, find the mean and the variance of the number of bottles that have serious flaws.
Two identical resistors are connected first in series and second in parallel. The equivalent resistances of the two types of connections are, respectively, RS and RP. What is the ratio RS/RP?
A sample of gas in a21.5-L container at 45.0 °C is cooled at constant pressure to a temperature of-37.0 °C at constant pressure. Determine the volume of the cooled gas. (convert temperature to K before substituting in equation)
Suppose you wish to improve the efficiency of a Carnot engine. Compare the improvement to be realized via each of the following alternatives:
The altitude of a hang glider is increasing at a rate of 6.80m/s. At the same time, the shadow of the glider moves along the ground at a speed of 15.5 m/s when the sun is directly overhead. Find the magnitude of the glider's velocity.
Use a 0.05 signicance leve to test the claim that this sample is from a population with a mean weight equal to 2.5 g. Do the coins appear to confirm to specifications of the coin mint? Identify the test statistics (show work) t = ______ the P-valu
A solid plastic sphere of radius 10.0 cm has charge with uniform density throughout its volume. The electric field 9.00 cm from the center is 75.0 kN/C radially inward. Find the magnitude of the electric field 15.0 cm from the center.
In a calorimeter, 50.0 mL of 60 deg Celcius water is added to50 mL of 14.0 deg Celcius water. If the maximum temperature,Tm was determined tobe 36.0 deg Celcius, calculate the heat capaicty of the calorimeter, Ccal.
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