Explanation:
There are several ways to define acids and bases, but pH and pOH refer to hydrogen ion concentration and hydroxide ion concentration, respectively. The "p" in pH and pOH stands for "negative logarithm of" and is used to make it easier to work with extremely large or small values. pH and pOH are only meaningful when applied to aqueous (water-based) solutions. When water dissociates it yields a hydrogen ion and a hydroxide.
Explanation:
The given data is as follows.
Mass of refrigerant, m = 10 kg
Volume of the refrigerant, V = 1.595 
Formula for specific volume of the refrigerant is as follows.
v = 
= 0.1595 
So, at 
specific volume will be within 
and 
and pressure is constant.
The fluid will be in super-heated state at temperature 
and at T = pressure 1 bar = 0.1 MPa.
According to super-heated tables, the specific volume is v = 0.30138 .
Hence, the final volume will be calculated as follows.
= 
= 3.0138
Thus, we can conclude that final volume of the R-134a is 3.0138 .
Answer:
False
Explanation:
There are two types of covalent bonding: polar covalent boding and nonpolar covalent bonding. During polar covalent bonding, the electrons are not shared evenly. This is due to the electronegativity differences between the two atoms. During nonpolar covalent bonding, the electrons are shared evenly.
Answer:
sedimentary rock
Explanation:
Because there are three stages, first igneous rock changes into either sedimentary rock or meatamorphic rock.
