If the sum of the mass of the reactants is 12.5 what would be the sum of the products be? And explain how you know this

Write the rate law for the reaction of S2O8^2-

Which statement describes the use of a flowchart? a. it shows a frequency distribution. b. it shows the order in which the steps in a process happen. c. it shows the locations of the parts of an object. d.

What is the primary plant pigment that absorbs sunlight during photosynthesis?

Which tool has the greatest degree of precision? a beaker with markings every 50 mL a flask with markings every 25 mL a graduated cylinder with markings every 1 mL a pipette with markings every 0.1 mL

Which of the answer choices lists a true statement about ionic compounds? 1. They are formed by atoms that have the same number of valence electrons. 2. They are formed by ions that have the same charge. 3.

Which statement about the electron-cloud model is true? A. It is the currently accepted atomic model. B. it can easily be replaced by existing models C. It specifies the location and momentum of an electron. D.

To the nearest gram, what is the mass of one spoonful of sugar?

What is the molarity of a solution that contains 28g of KOH in 2L of solution?

For any enzyme, what would the initial velocity be, as a percent (%) of Vmax, if the [S] was equal to Km/10?

It was determined through analysis that a compound, sodium carbonate with a molar mass of 263 g/mol contained 68.4% water. determine the toilet number of water molecules in this hydrate