A simple pendulum consists of a ball connected to one end of a thin brass wire. The period of the pendulum is 1.45 s. The temperature rises by 142 C°, and the length of the wire increases. Determine the change in the period of the heated pendulum.
what is the molal concentration of tin in a solution of 5.000g of tin dissolved in 95.00 g of copper?
What is the mole ratio between all compounds of this reaction:HC2H3O2 + NaHCO3 = NaC2H3O2 + H2O + CO2
the length of a rectangular frame is 5 cm more than the width. the area inside the frame is 66 square cm. find the width of the frame.
the length of a rectangular flower bed is 7 feet less than 3 times its width. the area of the bed is 20 feet squared. find the dimensions of the flower bed.
The concentration of hydroxide ions in the antacid, milk of magnesia, is 5.2x10^-4 M. Calculate the concentration of hydronium ions at 25 degrees celcius.
8. Compare the mean for the heights of males and the mean for the heights of females in these data. Compare the values and explain what can be concluded based on the numbers. Comparing the mean of height between male and female shows that the average height of a female in this...
How many grams of CuSO4 are there in 219 grams of an aqueous solution that is 20.2% by weight CuSO4
Mr. Garcia is going to pain a mural on one wall. There is a rectangular shaped window that is 24 in. wide and 36 in. high on the wall. How many square feet of the wall will be painted?
In this problem, use g = 9.80 m/s2. Bizarro, located at Six Flags New England, in Agawam, MA, is the name of one of the top-rated roller coasters in the country. The first drop on the roller coaster brings you down 67 meters. There are some resistive forces acting as the rolle...