given the equation Mg + 2HCL - -> MgCL2+H2, how many moles of hydrochloric acid are needed to react with O. 50 mole of magnesium?

When an iron nail rusts it seems to get heavier in mass. Does the iron nail follow the law of conservation of mass? A. no rusting is an exception to the law of conservation of mass. B.

Predict the precipitate produced by mixing an Al (NO3) 3 solution with a NaOH solution. Write the net ionic equation for the reaction. (Include the states of matter.)

A sample was found to contain 8.15x10^27 atoms of nickel. What is the mass of this sample in kg?

Why do we not know yet if we live in a 'multiuniverse"?

Which process takes place when large rocks crumble due to oxidation?

Cyanobacteria carry out oxygenic photosynthesis producing oxygen as a byproduct from the oxidation of water, which serves as the electron donor for the light-dependent reactions. how would cyanobacteria be classified?

How would local winds be affected if water and land absorbed and released heat at the same time

What is the interaction between two or more of the same or different atoms biology that results in the formation of molecules? chemical bond adhesion cohesion electronegativity

Consider the three ligand field spectra corresponding to octahedral complexes A, B, and C, all formed from the same metal ion.

Which of the following solutions is the most acidic? all of the solutions are basic a solution with pH = 3 a solution with pH = ggh