What is the total amount of heat needed to change 2.25 kg of silver at 0.0°C to 200.0°C? The specific heat of silver is 0.129 J/g∙°C

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum