The electron is the has the negative charge, the protón positive and neutron neutral.
Answer:
B. False
Explanation:
Solution -
A solution is referred to be a uniform mixture of various components , where the components are classified as solute and solvent .
The components can easily be segregated on the basics of the amount of the component , i.e. ,
- The component with higher concentration is referred to as the solvent.
And ,
- The component with lower concentration is referred to as the solute .
For example ,
In the solution of sugar and water , where 1 tablespoon of sugar is dissolved in 100 mL of water ,
- the concentration of sugar is less , and hence , is referred to as the solute ,
and ,
- the concentration of water is more , and hence, is referred to as the solvent.
I just took the test for you the answer is A molecular formula gives only the number and kind of atoms present in a molecule. THIS IS COPYED STRAIGHT FROM THE TEST. have a good day :)
Answer:
Lithium Bromide: LiBr and Potassium chloride: KCl.
Explanation:
A substance that will conduct electricity when dissolved completely in water is known as an Electrolyte.
Now, electrolytes are usually salts that ionize completely in a solution unlike non - electrolytes that do not dissociate into ions in solution.
Looking at the options, the only ones that are Salts are Lithium Bromide: LiBr and Potassium chloride: KCl.
Thus, options
Answer:
The new temperature is 19.072 K.
Explanation:
Charles's Law consists of the relationship that exists between the volume and the temperature of a certain quantity of ideal gas, which is maintained at a constant pressure. This law says that as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases because the temperature is directly related to the energy of the movement of the gas molecules.
In summary, Charles's law is a law that says that when the amount of gas and pressure are kept constant, the quotient that exists between the volume and the temperature will always have the same value:
Assuming that a certain volume of gas V1 that is at a temperature T1 at the beginning of the experiment varies up to a volume of gas V2, then the temperature will change to T2, and it will be true:
In this case:
- V1= 500 mL
- T1= 25 C= 298 K
- V2= 32 mL
- T2= ?
Replacing:
Solving:
T2= 19.072 K
<u><em>The new temperature is 19.072 K.</em></u>