Compare the type of change that occurs when an iron bar rusts and when a substance freezes. Use complete sentences to justify the type of change that occurs.

Find the work done using data from the PV plot for an isothermal system. P1 = 100 kPa, P2 = 300 kPa V1 = 25 m^3, V2 = 10 m^3 B.) Is the work done by the system or on the system?

A surface that loses electrons becomes positively charged

Pieces of sediment settle out of water and wind during

How many magnesium atoms are there in one molecule

Select all that are chemical properties Solid ignites when dropped in water aluminum has a silvery color Gold has a density of 19 g/cm3 O Water boils at 100 degrees Celsius O Mercury is liquid at room temperature Silver Tarnishes

A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?

Since the early 2000s, careers in the field of genetics have grown at a rapid pace. Which of these is a probable cause for this explosion of available and expanding jobs?

How many litres of 0.215 m NaCl contains 4.30 mol of this salt? Assume this solvent is H2O I'm confused on this question because little m is molality but when I looked this up on google, someone solved the problem assuming it was molarity

How can a neutral atom become a positively-charged particle?