Answer:
177 mmHg
Explanation:
Given that:
The sample of a gas is with Pressure (1) 
= 500 mmHg
The initial temperature 
= 773 K
The final temperature 
= 273 K
Using ideal gas equation:
Answer:
banging rocks together to see which make make a spark and create fire painting pictures is an example of art and sleeping in caves is survival
The isotopes of an element differ in the number or neutrons whereas the number of protons or electrons of a neutral atom stays the same. The molar mass of the element is based on the percent abundances of different isotopes and the individual molar mass of each isotope.
Appropriate method for separating a mixture of iron and aluminum is definitely <span>A. using a magnet. If we use the second method we will </span>vaporize either aluminum or iron.
If we used the third method it <span> would change liquid into a gas which is strange according to the task.
</span>And observing (even for a long time) won't help separating.
Answer:
Recessive
Explanation:
I don't know how to give an explanation but I learned this a few years back and it stuck with me.
