A 2.0-kg block of aluminum is at a temperature of 50°C. How much thermal energy will it lose when its temperature is reduced by half? The specific heat of aluminum is 897 J/kg·K.

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

Write the overall equation for the reaction for lithium battery

Which of the following describes a situation where competition between producers exists