A rock weighing 50 g is broken into 2 pieces. what age the possible weights for the two pieces of rock?

Electricity can be produced through the turbine of a nuclear reactor which will then go through a generator and finally transfer through to our homes. True or False?

The temperature in Kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. What is the final volume of the gas

One balloon was only partly filled when put on the plane. During the flight, the balloon volume increased from 7 L at 1.0 atm to 9 L.

Which kind of bond occurs when two atoms share an electron

Which of the following statements about the pH scale is true? A. Acids, which have lower concentrations of hydronium ions than bases, are found from 14 and down to 7. B.

Identify and describe the appearance of the type of muscle tissue found in your heart

Calculate the coulombic force (in Newtons) felt by an electron and a proton separated by a distance of 1 angstrom. An angstrom is 10-10 meters.

Why does stirring increase the rate of dissolution? A. Stirring the solution decreases the kinetic energy of the solution. B. Stirring the solution increases the surface area of the solution. C.

How many moles of ba (oh) 2 are present in 275 ml of 0.200 m ba (oh) 2?

The molecular weight of vitamin C, CH06, is 176.12 8 mol What is the mass, in grams, of 0.000142 mol of vitamin C? Express the answer using 3 significant figures. 09