The answer is physical property.
Physical properties are the properties that does not require the substance changing into another substance, which is, chemical change. Physical properties are usually observable and measurable, such as melting points, density, odor, color etc. These does not require a chemical reaction to happen.
The opposite of physical property is chemical property, which is how the substance changes to another. Such as how sodium reacts with water to make sodium hydroxide and hydrogen.
The correct answer would be equation 4, because there are 4 Hydrogens and 2 Oxygens on each side of the equation making it balanced.
Answer:
i would say the last one Heat energy from below the ground converts water to steam to drive a steam turbine attached to an electrical generator
Explanation:
Answer:
<h2>250 cm³</h2>
Explanation:
The volume of a substance when given the density and mass can be found by using the formula

From the question we have

Wr have the final answer as
<h3>250 cm³</h3>
Hope this helps you
Answer:
C. NaOH acts as a reactant in the reaction
Explanation:
Because during the saponification process, Na+ replaces the H+ in the fatty acid been used for the saponification process