Answer:
The volume is 1143,78 L
Explanation:
We use the formula PV=nRT. The conditions STP are 1 atm of pressure and 273K of temperature. We calculate the weight of 1 mol of CH4.
Weight 1 mol CH4= weight C+ (weight H)x4= 12 g + 1 g x4= 16 g/mol
16 g----1 mol CH4
817,5g--x=(817,5gx1 mol CH4)/16g= 51, 1 mol CH4
PV=nRT V=(nRT)/P
V= (51,1 mol x 0,082 l atm/K mol x 273 K)/1 atm
V= 1143,78 liters
If you are asking about the average atomic mass, the number under the element, then it is "the sum of the masses of it's isotopes." You should know what isotopes are, (if not, it's when an element can have more or less neutrons than other atoms of the same element) so what it means is that the number is the average amount naturally found in nature ( or naturally produced). For example, carbon's number is 12.0107. Since the average atomic mass number is so close to 12, it must mean that carbon's most abundant iostope is Carbon-12. The decimals mean there are Carbon-13s in nature, but not as abundant as Carbon-12. In some cases, there can be as many Carbon-11s(which isn't stable, but this is an example) as Carbon-13s, so the number is on 12, so you have to pay attention to which isotopes are listed as natural.
Answer is: It can produced water that are needed by animals,plants and people
I really hoped it helped you out!!
The molecule<span> is symmetric, a tetrahedron. Thus, the 4 </span>polar bonds <span>cancel each other out.</span>
All rocks on Earth take part in the "Rock Cycle". For an igneous or metamorphic rock to change into a sedimentary rock, they must undergo weathering and erosion by wind, water, and/or ice. The broken down pieces of rock (sediments) settle into layers that form a sedimentary rock.
