Considerations. Each chocolate-covered espresso bean contains 5 milligrams of caffeine, a stimulant that elevates your heart rate and blood pressure. Overconsumption of caffeine can lead to nausea, vomiting, tremors, restlessness and difficulty sleeping.
Summary. â¢ The pH value of a solution depends on the temperature. â¢ A pH value without a temperature value is meaningless. â¢ Solution temperature compensation converts measured pH to the pH at 25Â°C. â¢ Only pH values taken at the same temperature or converted using solution temperature compensation can be compared to each other.
Effect of temperature on percentage yield of ammonia. In the Haber process, the forward reaction is exothermic and the backward reaction is endothermic. If the temperature is decreased, the yield from the exothermic direction is increased. However, by decreasing the temperature the molecules move more slowly and collide less frequently. This lowers the rate of reaction.