Your physics teacher drives an ideal frictionless car of mass 1000 kg which coasts along the level road to his home at a constant speed of 48 km/h with the engine turned off. It then coasts 40 m up his sloping driveway and comes to rest at the top without any braking required....
If 75mL of a hard water sample required 23.00 mL of .200 M EDTA, calculate the total hardness
MX2(s)<--> M2+(aq)+ 2X-(aq) ksp=[M2+][X-]2 the question asks.. why is [MX2] not used in the expression for the equilibrium? is it because they aren't used in the expressions?
Assume that the average annual salary for a worker in the United States is $30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following: (A) What percentage of Americans earn below $19,000? (B) What p...
One buffer solution used to calibrate a pH electrode was made by dissolving 2.24g of potassium propanoate, C2H5COOK, in 250cm3 of 0.20 mooll-1 propanoic acid.
How can community growth affect local ecosystems?
Analyzing Data (HELP!!)
Multiplying Rabbits Suppose that a pair of rabbits produces six offsrping: 3 males and 3 females. Assumes that no offspring die. 1. If each pair of rabbits breeds only once, how many offspring would be produced each year for 5 generations? 2. Construct a graph of your data. Pl...
A car accelerates uniformly from rest to a speed of 21.2 km/h in 8.3 s. Find the distance it travels during this time. Answer in units of m
A certain freely falling object requires 1.50 seconds to travel the las 30.0 meters before it hits th ground. From what height above the ground did it fall?
On our worksheet this is the same question, but ours states the original ratio of red to yellow as 3:4.