A gas container has an initial temperature of 348 K with an unknown pressure. When the temperature changes to 506 K the pressure is found to be 1.55 atm. What was the initial pressure in atm?
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Ответ:
1.06 atm
Explanation:
We are given the following variables to work with:
Initial pressure (P1): unknown
Initial temperature (T1): 348 K
Final temperature (T2): 506 K
Final pressure (P2): 1.55 atm
We are asked to find the initial pressure (P1). We want to choose a gas law equation that relates initial pressure and temperature to final pressure and temperature. Gay-Lussac's law does this:
We can rearrange the law algebraically to solve for
.
Substitute your known variables and solve:
Ответ:
decomposition is the answer it helped also explanation of it is below this answer
Explanation:
In a decomposition reaction, one reactant breaks down into two or more products. This is the reverse of a synthesis reaction. Replacement reactions occur when elements switch places in compounds