If scientists knew the latitude of a location on earth's surface but not the longitude what could they determine about the location?

What is the pH of a solution with a 2.20 x 10-8 M hydroxide ion concentration

An atom has a mass number of 25 and 13 neutrons. what is the atomic number of this atom? express your answer as an integer.

Which of the following describes an example of the atmosphere acting as a system? its lavered structure global wind patterns

Write out the electron configurations for (a) potassium and (b) cobalt. how many unpaired electrons does each possess?

Explique porque o ácido benzóico é mais ácido que a água

When heat is added to or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?

Chemical Reactions Lab Procedures: 1. Place a 1cm long piece of white chalk in a clear plastic cup. 2. Add 5 mL of vinegar to the cup. 3. Record your observations. If you were performing the procedures above you would need to A.

How many moles of oxygen are in 0.53 moles of co 22?

The car wit fastest acceleration is the tempest. it has an acceleration of 6.1 m/s. suppose the car accelerates from rest to a final speed of 30. m/s. how long does it take the tempest to reach this speed?

What is the wavelength of 2.18*1016 hz wave?