N a fission reaction of U-235, there was a release of 9.20 * 1011 kJ of energy. What amount of mass in kilograms would have been lost? Recall that c = 3 * 108 m/s.

Sugar burns when heated on a skillet physical or chemical change

Provide an iupac name for the structure shown.

What is the purpose of using a control in scientific experiments?

The following table lists molar concentrations of seven major ions in seawater. Using a density of 1.022 g/mL for seawater, convert the concentrations for the two ions in the question below into molality. Ions g/kg mM Na + 10.781 480.57 K + 0.399 10.

The of breakdown of a radioactive isotope into a stable isotope called

Which of the following is not a source of air pollution related to human activities

You see rainforests a is far as the eye can see It rains every day and the humidity is fiercel Where might you be? Polar climate Tropical climate Subtropical climate Temperate climate

2. A balloon is dunked into a tank of cold water. How will this affect the size of the balloon?

Which of the following correctly describes a compound?

If the [H+] of a solution is 1.0 x 10 to the power of - 2 mol/L the pH is: (pH = - log (H+] 1 12 -2 2 chemistry