Which statement accurately represents the relationship between pressure and volume? As pressure increases, volume increases. As
2 answers:
Answer: As pressure increases, volume decreases
Step-by-step explanation:
Boyle's Law: This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.
(At constant temperature and number of moles)
where,
= initial pressure of gas
= final pressure of gas
= initial volume of gas
= final volume of gas
Therefore, when pressure increases , volume decreases and vice versa.
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Answer:
(c)
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos42° = =
Multiply both sides by 12
12 × cos42° = x, hence
x ≈ 8.9 → (c)
we are given
Firstly , we will multiply both sides by 5
now, we can simplify it
now, we can solve for n
.............Answer