Answer:
V = 38.48 L
Explanation:
Given that,
No. of moles = 1.5 mol
Pressure, P = 700 torr
Temperature, T = 15°C = 288 K
We need to find the volume of the gas. The ideal gas equation is given by :
, R = L.Torr.K⁻¹.mol⁻¹
So, the required volume is equal to 38.48 L.
Answer:
<h3>The answer is 123.72 g</h3>
Explanation:
The mass of a substance when given the density and volume can be found by using the formula
<h3>mass = Density × volume</h3>
From the question
volume = 157 mL
density = 0.788 g/mL
We have
mass = 0.788 × 157 = 123.716
We have the final answer as
<h3>123.72 g</h3>
Hope this helps you
Answer : The correct option is, Antacid and toothpaste.
Explanation :
The property of an acid is that they are sour in taste and the property of base is that they are bitter in taste.
In the given question, vinegar, orange juice are the acids and antacids, toothpaste are the bases.
Therefore, the option Antacid and toothpaste are likely to have a bitter taste.
Answer:
lost
Explanation:
When a television set changes electrical energy to sound and light energy, some of the initial energy is lost in other forms usually heat.
Energy conversion or transformation from one form to another is not an 100% efficient process. This is compliance with the law of thermodynamics.
- The process of transforming energy brings about some loss of energy into the environment.
- No system is 100% efficient in transforming all the energy input into it.
- Some of the energy is usually lost in the process of conversion.