In a constant pressure calorimeter, the temperature of 60.0 g of water increases by 4.50c. What amount of heat is transferred to the water?

Why is retrograde motion an apparent motion

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Which subshell is represented by the actinides family?