You are given 10.58 grams of substance x. the specific heat of this substance is 3.58 j/g·°c. if the mass of substance x is doubled, the specific heat of this substance will also double

I don't know where the question is, but I will assume that this is a True or False statement.

If that is the case, this statement is false.

You have the equation Q = mcΔT.

The statement states that if m is doubled, c is doubled as well. This is incorrect, since the specific heat value cannot be changed because it is attributed to the specific substance. If m doubles with the same substance, assuming a constant change in temperature, the only thing that can change is Q, which is the heat energy gained or lost from the substance.

Hydrogen is the most abundant element on the periodic table..hope it .