Four students report measurements of the mass of the same object. which of the values is the least precise? a. 1,000 g b. 1,000.0 g c. 1.0 × 10^3 g d. 1.00 × 10^3 g

In an energy pyramid, which level has the most available energy?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?