Solid , solid, partially melted, liquid so the answer is D
A. PV=constant
752 torr = 0.989 atm
(0.989 atm)(4.38 L) = (1.88 atm)V
V = 2.30 L
B. T/V = constant
(294 K)/(4.38 L) = (448 K)/V
V = 6.67 L
Hoped this helped ( I believe it's right, sorry if it's not )
Answer:
Final temperature is 29.42 °C
Explanation:
Mass of water = Number of moles × Molar mass
= 0.82 × (2(1) + 16)
= 0.82 × 18
= 14.76 g
Q=mcΔT. *let's say final temperature is x
273 = 14.76 × 4.184 × ( x - 25 )
273 = 61.76 × ( x - 25 )
273 = 61.76x - 1544
273 + 1544 = 61.76x
1817 = 61.76x
x = 29.42 °C
So the final temperature is 29.42 °C (. ❛ ᴗ ❛.)
Answer is: <span>solid wood.
There are </span>five fundamental states of matter (gas, liquid, solid, plasma and Bose–Einstein condensate).
<span>In solid, molecules are closely packed, stiff and do not changes of shape or volume. S</span><span>olid object (in this example wood) does not take on the shape of its container.
</span>Liquids (in this example water) <span>have definite volume, but no fixed shape.
</span>Gases (in this example nitrogen and neeon) not have definite volume and fixed shape, it depends on its container.
A chemical rxn changes the make up of a substance on a molecular level. Sense density is observing the physical properties such as weight and volume and not the chemical make up it is therefore a physical property.
