How many moles are there in 141g of AI2O3?

When the equation below is correctly balanced, what are the coefficients of Pb and H20, respectively? Pb + H2O + O2 = > Pb (OH) 2 A. 1,2 B. 2,1 C. 2,2 D. 1,1 E. none of these

Read the list of elements given below. F, Cl, Br, I Which of the following about the elements is true? All of them are highly reactive metals. All of them are highly reactive nonmetals.

Does mercury have any reconnaissance satellites? (science)

What does it mean if an experiment is replicable? Why is it important that experiment be replicable

What is Delta. S for the reaction N2 (g) + O2 (g) Right arrow. 2NO? Use Delta. G = 173.3 kJ at 303.0 K and Delta. H = 180.7 kJ. Use Delta. G = Delta. H - TDelta. S. 7.4 J/K 7.4 kJ/K 24.42 kJ/K 24.42 J/K

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.