A calorimeter is used to conduct this experiment. A square
block of lead is heated to a temperature of 91.0°C and placed in 125 g of
water at 25.0°C. The final temperature of the water is measured to be
31.5°C. The block of lead is
energy. The water is
energy.
1.Absorbing; releasing
2.Releasing; absorbing
3.Absorbing; absorbing
4.Releasing; releasing

What is the solubility of substance?

The grooves or folds of the brain are called

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.