Iron has a density of 7.86 g/cm^3. Calculate the volume of a piece of iron having a mass of 3.99 kg.

Boiling is an example of a physical property. How do the particles of gas compare to the particles as a liquid? a. The gas and liquid particles have the same structure and identity but different kinetic energy. b.

A 22.4 liter sample of gas at stp weighs 12.0 grams. What is the molecular weight of the gas

In which state do molecules have the highest kinEric energy

Your alarm clock wakes you up and reminds you to get ready for school. Which type of neuron receives the sound of the alarm?. A. interneurons. B. myelin neurons. C. sensory neurons. D. motor neurons

what is the concentration (molarity) of a solution that has 0.150 moles of sodium chloride dissolved in 0.900 L solution

Which type of research would be used if a scientist wanted to know how sugar impacted the growth of cancer cells? A. basic B. applied C. practical D. theoretical

To how much water should 250 mL of 12 M hydrochloric acid be added to produce a 4.0 M solution?

Which is the correct name for MgSO4•7H2O?

Iron has a density of 7.86 g/cm^3. Calculate the volume of a piece of iron having a mass of 3.99 kg.

a student determines the mass of a 100 mL beaker filled with 50 mL of water to be 154.34 grams. After a tablet reacts with the water, the mass including the dissolved tablet is 157.26 grams. Show the work and find the mass gained below.