You can split the process in two parts:
1) heating the liquid water from 10.1 °C to 25.0 °C , and
2) vaporization of liquid water at constant temperature of 25.0 °C.
For the first part, you use the formula ΔH = m*Cs*ΔT
ΔH = 30.1g * 4.18 j/(g°C)*(25.0°C - 10.1°C) = 1,874 J
For the second part, you use the formula ΔH = n*ΔHvap
Where n is the number of moles, which is calculated using the mass and the molar mass of the water:
n = mass / [molar mass] = 30.1 g / 18.0 g/mol = 1.67 mol
=> ΔH = 1.67 mol * 44,000 J / mol = 73,480 J
3) The enthalpy change of the process is the sum of both changes:
ΔH total = 1,874 J + 73,480 J = 75,354 J
Answer: 75,354 J
Answer:
i dont have a answer im just answering so you can give the person who answered brailiest :)
Explanation:
Take note that one mole of any substance is equal to 6.02 x 10^23 molecules. Thus in converting 5.080 x 10^16 molecules of hydrogen to moles, just divide it with the Avogadro’s number. The answer would be 8.44 x 19^-8 moles...
i think that's it :P :)
Answer:
Biodiversity will decrease.
Explanation:
The likely result of clearing the fields for building homes is that biodiversity will decrease.
Biodiversity is the variation in life forms within a particular area.
- The balance of the ecosystem is easily tripped by the influence of human activities.
- Some habitats are easily destroyed when new fields are cleared.
- Habitat loss is huge problem, in the ecosystem as a result of human activities.
