When a 5.00-g sample of rbbr is dissolved in water in a calorimeter that has a total heat capacity of 1.655 kj·k-1, the temperature decreases by 0.400 k. calculate the molar heat of solution of rbbr?

What is the maximum and minimum resultant possible from a 20-N force and 4-N force?

a student performs an experiment with three unknown fluids and obtains the following measurements : fluid A: m = 2060 g, V=2000 ml, Fluid B: m=672 g, V = 850 ml, Fluid C: m=990 g, V=1100 ml.

Which of these is most likely a characteristic of a parent isotope before it releases radioactive particles? Select one: a. stable nucleus b. stable electrons c. unstable electrons d. unstable nucleus

One type of entrepreneurial business could be an online business, and the article lists Amazon as an example. If you get a job tomorrow working at Amazon, does that make you an entrepreneur? Why or why not?

A parallel-plate capacitor is connected to a battery until it is fully charged. Then, teh capacitor is disconnected from the battery and connected to two uncharged parallel plates that make up a capacitor.

How long does it takes the sun to rotate the earth?

Which explains how winds move?

Why is it important to develop alternative energy sources

Which of the following subatomic particles does not have a charge? A.) electron B.) proton C.) neutron D.) positron

How do we use light in space?