A 45.0 g coin of copper absorbed 45 calories of heat. What was the final temperatuře of the copper if the initial temperature was 25°C? The specific heat
of copper is 0.092 cal/g°C. *

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

The atomic number of an element is based on the number of electrons around its core mass of its nucleus number of protons in its nucleus number of neutrons in its nucleus

The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen