In the reaction mg (s) + 2hcl (aq) -> h2 (g) + mgcl (aq), how many moles of hydrogen gas will be produced from 75.0 milliliters of 1.0 m hcl in an access of mg?

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 statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?