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?

The coefficient of static friction between Teflon and scrambled eggs is about 0.04. What is the smallest angle from the horizontal that will cause the eggs to slick across the bottom of a Teflon-coated skillet?

Two charged particles are placed 2.0 meters apart. The first charge is + 2.0 E-6 C, and the second charge is + 4.0 E-6 C. What is the electrical force between the two charges? (k = 9.0 E9 Nm^2/c^2) A. + 1.8 E-2 N and it is repulsive B. + 3.

When reading a measurement from an analog instrument like a ruler or a mercury thermometer, how should you determine the number of significant figures to record?

How is work involved in stopping a car?

Which American city was devastated by Hurricane Katrina? Houston Miami Savannah New Orleans

How long does it take for light to travel from the sun to earth?

Two very small spheres are initially neutral and separated by a distance of 0.30 m. Suppose that 2.50 1013 electrons are removed from one sphere and placed on the other. (a) What is the magnitude of the electrostatic force that acts on each sphere?

Why is it important to balance a chemical equation? A. It is not important to balance a chemical equal B. To make sure you have the correct products C. To make sure you have the correct reactants D. To obey the law of conservation of mass

The presence of icicles hanging off the eaves of a wood-framed structure is most likely due to: heavy snow followed by a thaw. improper insulation in wall cavities. use of a poor-quality roof sheathing material. lack of proper roof ventilation.

Both gravitational potential energy and kinetic energy depend on