The mass of an object is 205 gram while the volume was measured to be 82.5 mL. What is this object's density?

Charged particles that move around an atom's nucleus are called

Which of the following best explains what happens when the kinetic energy of particles in a liquid state decreases? A. They move so slowly that the particles are no longer held together, resulting in the formation of a gas. B.

A balloon contains a fixed amount of helium. If the initial conditions are 1.12 liters, 3.00 atmospheres, and 19 degrees Celsius, what will the final volume be when the balloon is exposed to 1.00 atmosphere pressure and 22 degrees Celsius? 0.370 L 0.

What diffuses faster: a gas sample into a vacuum container, or a gas sample into an air filled container?

Write the symbols for the ions that form when potassium and iodine react to form the ionic compound potassium iodide?

Which of the following volumes is the smallest?

Which of these are common to all mammals? A: type of reproductive system, brain size, skin B: digestive system, heart lungs C: digestive system, number of toes, blood D: kidneys, liver, skeletal structure

Which explanation best compares the movement of particles in the three states of matter?

A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank. a. 0.002 mol c. 0.525 mol b. 0.018 mol d. 1.90 mol

Is phosphorous an atom, element, or compound