Butter is melted in a pan. which of the following is true about the change?
select one:
a. it is a physical change that absorbs energy.
b. it is a physical change that releases energy.
c. it is a chemical change for which there is no change in energy.
d. it is a chemical change that absorbs energy.

Is laundry detergent an acid or a base?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

How many moles in .5g of sodium bromide?