During a laboratory experiment, 36.12 grams of Al2O3 was formed when O2 reacted with aluminum metal at 280.0 K and 1.4 atm. What was the volume of O2 used during the experiment?

3O2 + 4Al → 2Al2O3

The volume of a rock was determined by the displacment method to be 550 cm cubed. It has a mass of 55 g. Calculate the density of the rock.

Seawater is composed of salt, sand, and water. is seawater a heterogeneous or homogeneous mixture? explain

A one-ounce bag of Hot Cheetos has 90 calories from fat and 150 total calories. A party size bag of hot Cheetos is 18.5 ounces. How many calories of fat have you consumed if you eat half a bag of party-size chips?

Where do babies come from

How might the Egyptians have been able to move the heavy stone blocks?

What are transuranium elements properties?

A geologist finds a section of rock that shows was ripple marks. What does it he pr send me or a ripple marks say about the area where the rock formed? A. the rock from rk s in a fast moving stream B.

375centimetercube of a gas has a pressure of 770mmHg. find it's volume if the pressure is reduced to 750mmHg

How did the planets in our solar system form?

What kind or plate tectonic boundary is the san anfreas fault?