Freddy mixed 10 g of a powdery substance with 200 g of an acid solution. A bubbly solution weighing 205 g was formed. Which best explains why the mass of the new product does not equal the mass of the reactants?

Question 2 options:

the other 5 grams weighed less in the acid

the other 5 grams created a percipitate (solid)

the other 5 grams were released as a gas

the other 5 grams changed colors

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.