Parrallax is used to calculate the distance.
the mass in grams of one mole substance is the molar mass of the element
<span>Moles = weight in g / atomic weight So, moles in 40 g of He = 40 / 4 = 10 moles.</span>
Explanation:
Apply Boyle's Law :-
P1V1 = P2V2
- Where P1 is 25 atm
- V1 is 3L
- P2 is 75 atm
- V2 is what we need to find out.
25 × 3 = 75 × V2
<u>So, the answer is d) Part, 1L .</u>
Hope it helps :)
Answer:
Non-polar and non-polar molecules do not attract each other.
Explanation:
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