Chemistry, 16.07.2019 00:30 sherlock19
The energy required to start a reaction is called a) ionization energy b) kinetic energy c) electronegative energy d) activation energy
Answers: 1
Chemistry, 22.06.2019 06:30
Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d
Answers: 1
Chemistry, 22.06.2019 17:10
Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]
Answers: 2
Chemistry, 23.06.2019 00:30
What is the percent by mass of magnesium sulfate in mgso4.7h2o
Answers: 3
The energy required to start a reaction is called a) ionization energy b) kinetic energy c) elec...
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