The first whistle is louder while the second whistle has a higher pitch
Loud vs high
Density = mass / volume
1.5 = m / 50.0
m = 1.5 x 50.0
m = 75 g
hope this helps!
They’re endangered. ......
Solution :
Assuming all Al will be consumed in the reaction.
From the given equation, 2 mole of Al produce 2 mole of
.
So, 1 mole of Al produce 1 mole of
. .....statement 1)
Number of moles of Al in 258 gram of Al.

Therefore, from statement 1) number of moles of
produced is also 9.556 moles.
Explanation:
E let the water flow into the eye continuously for fifteen minutes or until medical help arrives.