The answer is FOR SURE Alaska, the other two are incorrect.
Lituya Bay, Alaska, July 9, 1958
Its over 1,700-foot wave was the largest ever recorded for a tsunami.
Answer:
The specific heat of the unknown metal is 1.26*10⁻⁴ 
Explanation:
Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.
Sensible heat occurs when heat added or removed from a substance causes a temperature change in it and is calculated by:
Q = c * m * ΔT
Where Q is the heat exchanged by a body of mass m, constituted by a substance of specific heat c and where ΔT (Tfinal - Tinitial) is the variation in temperature
In this case:
- Q= 2.93 kcal
- c= ?
- m= 183.4 g
- ΔT= 126.3 °C
Replacing:
2.93 kcal= c* 183.4 g*126.3 °C
Solving:
c= 1.26*10⁻⁴
<u><em>The specific heat of the unknown metal is 1.26*10⁻⁴ </em></u><u><em></em></u>
Answer:
Barium Di-chloride (BaCl^2). H^2 is released as a by-product in the form of a gas.
Explanation:
Use Avogadro's number which is numerically equal to ...
( 6.02 multiply by 10 to the power of negative 23)
Avocado's number is the number of particle(molecules, ions, atoms) present in one mole of substance.
number of molecule in 0.809 mole of h20 = ....
one mole of h20 contains (6.02* 10^-23)
0.809 mole contains....(6.02* 10^-23) (0.809)
which is equal to [4.951* 10 ^-23]
if I made no mistake in calculation...it must be correct
You have to use Avogadro's number which is 6.02x10^23. The units of Avogadro's number is molecules/mole so you divide the number of molecules by Avogadro's number which will give you the number of moles.
(2.0x10^22 molecules)/(6.02x10^23 molecules/mole)=0.033 moles
