Space Shuttle, liquid oxygen - edited

[rosesangelina]

On the Space Shuttle, liquid oxygen is stored at - 183° C. The oxygen is heated to a temperature of 260° C, and then it is mixed with hydrogen. Hydrogen is stored at a temperature of - 250° C. The mixture that results burns at a temperature of 3315° C.

a) By how much is the liquid oxygen heated before it is mixed with hydrogen.[1 mark]

b) How much hotter is the temperature at which the mixture burns than the temperature at which the hydrogen is stored?

Please help.

 

[Deleted member 4993]

On the Space Shuttle, liquid oxygen is stored at - 183° C. The oxygen is heated to a temperature of 260° C, and then it is mixed with hydrogen. Hydrogen is stored at a temperature of - 250° C. The mixture that results burns at a temperature of 3315° C.

a) By how much is the liquid oxygen heated before it is mixed with hydrogen.[1 mark]

b) How much hotter is the temperature at which the mixture burns than the temperature at which the hydrogen is stored?

Please help.

You know:

liquid oxygen is stored at -183° C and

The oxygen is heated to a temperature of 260° C

For the oxygen to be "mixed with H₂" it is preheated to 260° C and it is stored at -183° C. Now answer:

By how much is the liquid oxygen heated before it is mixed with hydrogen.​

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