Chemistry, 17.07.2019 12:30 pandamaknae2003
When someone standing at one end of a large room opens a bottle of vinegar, it may take several minutes for a person at the other end to smell it. gas molecules at room temperature move at very high velocities, so what is responsible for the delay in detection of the vinegar?
Answers: 1
Chemistry, 22.06.2019 13:00, monkeyrose1999
The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
Answers: 3
Chemistry, 22.06.2019 20:00, jalenevoyles
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
Chemistry, 22.06.2019 20:30, huangjianhe135
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 22.06.2019 22:00, luciaaviles3
Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.
Answers: 2
When someone standing at one end of a large room opens a bottle of vinegar, it may take several minu...
Biology, 12.12.2020 16:50
Advanced Placement (AP), 12.12.2020 16:50
Mathematics, 12.12.2020 16:50
History, 12.12.2020 16:50
Biology, 12.12.2020 16:50
Mathematics, 12.12.2020 16:50
Social Studies, 12.12.2020 16:50