You've just solved a problem and the answeris the mass of an electron, m_{\rm e} = 9.11\times 10^{-31}\; {\rm kilograms} . how would you enter this number into the answerbox?
enter your answer in kilograms usingthree significant figures. note that the units are provided for youto the right of the answer box.
m_e =

mark him as !

2b2t

explanation:

2b2t

answer : third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

explanation :

let us write down the given equations

equation 1 :

equation 2 :

equation 3 :

let us use hess's law to find out which 2 equations can be added to get the third equation.

let us reverse equation 2 and multiply it by 2. the new equation that we get is,

equation 4 :

let us add equation 1 & 4

the above equation is similar to equation 3 but has different value for dhrxn.

therefore third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

plasma - state of matter made up of electrically charged particles