Describe how adding the prefix mega to a unit affects the quantity being described

Calculate the mass (in grams) of 3.913 x 1023 molecules of AICI3

Which of the following has the units of g/mol? O A. Molar mass O B. Molarity O C Percent composition O D. Concentration

A piece of iron metal is heated to 155 degrees C and placed into a calorimeter that contains 50.0 mL of water at 18.7 degrees C. The temperature of the water rises to 26.4 degrees C.

Aluminum is more reactive than iron, yet it is used today for a variety of applications in which iron would corrode (cans, rain gutters, etc.).

When one moves from The electronegativity value beryllium to nitrogen. a Increases b Decreases C Remains the same d None of the above

What's the ratio of 80% hydrogen

Why is warmer near earth surface

A platinum wedding band contains 0.077 mol of platinum. How many atoms of platinum are in the 15-gram platinum wedding band?

In an ecosystem where 500,000 kcal of sunlight is available for producers, approximately how much chemical energy will be contained in secondary consumers?

Question 6 if a gas pressure gauge reads 32.0 psi, what is the pressure in inches of mercury? 165 in. hg 15.7 in. hg 65.1 in. hg 32.0 in. hg 6.19 in. hg