If you have 150 grams of a radioactie isotope with a half-life of 10 years. Given this information, identify the values (X, Y, & Z) that should be place in the table below to correctly evaluate this

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

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

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?