In a physical change, the chemical composition of the matter changes, not just the matter's physical properties. true or false

Describe the ecological succession that takes place as a pond transitions to a meadow

What is the number of kilograms of solvent in a 0.70 molal solution containing 5.0 grams of solute?

What's the empirical formula of 36.48% Na 25.41% S 38.11% O

What mass of co2 would be produced by the neutralization of 25.0 ml of 6.00m h2so4 using excess nahco3?

Is Zn (NO3) 2 a strong or weak electrolyte?

What is a light-year? A. the distance light travels in one earth year B. the distance light travels from the sun to the earth C. the distance light travels in one orbit of the moon D. the time it takes light to travel across the universe

What's is a logical way that you could begin to investigate why your tire had low air pressure?

after balancing the redox equation FeCl3+Zn--->ZnCl2+Fe, what are the coefficients, in order from left to right?

Aluminum oxide, Al2O3, is used as a filler for paints and varnishes as well as in the manufacture of electrical insulators. Calculate the number of moles in 47.51 g of Al2O3.

What volume of 2.00 m must be added to 150.0 ml of 1.00 m chloroacetic acid to produce a buffer solution having a ph of 3.30?