2.If a given reaction has a rate of 10 g/s and the temperature is increased by 20 oC, what will the new reaction rate be?

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.