What is an everyday example of freezing point depression?
Wyatt AtkinsAdding salt to ice to melt it at lower temperatures (winter roads) or to make icecream (home hobby).
Common salt addition to solutions or solid ice causes a freezing point depression in the water, melting ice at a lower temperature or providing a sub-freezing solution for making iced treats.
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Xavier AveryAdding salt to icy roads.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- How do you calculate the energy absorbed when #2.0x10^3g# of ice (#CO_2#) sublimate at the normal dry sublimation point? The enthalpy of sublimation 196.3J/g.
- The standard heat of formation of Fe2O3(s) is 824.2kJ/mol. Calculate heat change for the reaction 4Fe(s)+3O2(g)=2Fe2O3(s)?
- The specific heat of iron is 0.11 cal (g°C) . A cafeteria fork made of iron has a mass of 20 grams. How much heat energy is needed to raise the temperature of this fork from 25°C to 75°C?
- How do specific heats of ice liquid, water, and steam compare?
- Question about equation for lattice energy?
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