The subatomic particle that has the least mass is the ...

What is seismology? What does seismology tell us?

How do changes in temperature at constant pressure affect the distance between gas particles? a. the motion of gas particles decreases as temperature increases. b. a decrease in temperature increases the distance between gas particles. c.

The heat of fusion of water is 80 cal/ g. How much energy is needed to melt 0.05 kg of ice?

Which of the following statements describe a system at equilibrium? There may be multiple correct answers. Select all that apply. Group of answer choices The rate of the forward reaction has decreased to zero.

A student obtains a sample of liquid bromine at 20 degrees Celsius. She measures the volume to be 25.0cm³ and she looks up the density of bromine which is 3.1 g/cm³. How many moles are in the sample.

The nucleus of an atom holds 4 neutrons and 4 protons, how many electrons does it have

What types of atoms are in nh3 or ammonia how many hydrogen and how many nitrogen

A piece of wood near a fire is at 23°C. It gains 1,160 joules of heat from the fire and reaches a temperature of 42°C. The specific heat capacity of wood is 1.716 joules/gram degree Celsius. What is the mass of the piece of wood? ОА. 16 g OB.

Which of the following is a viable possibility for a liquid particle that loses energy? (select all that apply) the liquid particle may become a gas particle the liquid particle may become a solid particle the liquid particle may become a slower

What is true of the bottom layer of the ocean? Select the two correct answers. A. It has the largest plants. B. It has the lowest salinity. C. It has the greatest density. D. It has the coldest water. E. It has the most sunlight.