Name
prelaboratory assignment 1
show work for credit!
section
25 pts
1. a dry beaker weighing 45.48 g is completely filled with water and reweighed. the filled
flask was found to have a mass of 78.648 g at is 25 °c. the mass of water required to fill
the flask is--

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate