How could wind reshape a rock?

What is the voltage of galvanic cell made with magnesium? A. - 0.54 v B. 0.54 v C. - 4.2 v D. 4.2 v

What is the ph of 1.2 time 10 to the negitive 2

A 54-gram sample of an unknown material has a volume equal to 20 cm3. Based on its density, could the sample be aluminum? Explain

A small star becomes a white dwarf and a large star becomes a neutron star or black hole

What is the Lewis acid in the following reaction? NH3 + BI3 → I3BNH3

A scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. Does this result support the theory of plate tectonics? Why or why not?

Why is it incorrect to balance a chemical equation by changing the subscripts?

A solution of CuSO4 is labelled 0.01 M. How much CuSO4 in grams, must be used to make 1 liter of solution? A) 1.120 g B) 1.595 g C) 1.6 g D) 15.0 g

Rank the following elements according to their ionization energy: tin krypton antimony arsenic

Water (3030 g) is heated until it just begins to boil. If the water absorbs 5.49*105 J of heat in the process, what was the initial temperature of the water?