Chemistry, 02.06.2021 08:20 katlynnschmolke
Experimental Record
Reactants Color of Reactants Color of Reactants after Mixing
Br2
Light orange solution
Deep brown colored solution is formed
КІ
Colorless solution
Which of the following conclusions can be made about this chemical reaction based on the data?
lodine is more reactive than bromine
Potassium iodide and bromine do not react
Potassium metal is formed from a single replacement reaction
lodine is deep brown in color and is formed from a single replacement reaction
Answers: 1
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 09:30
In 2002, the rare earth elements mine in mountain pass, california was closed because
Answers: 1
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Experimental Record
Reactants Color of Reactants Color of Reactants after Mixing
Br2
Li...
Br2
Li...
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