A student burns 16.35 g of sulfur in a crucible exposed to the air. The sulfur combines with oxygen and the resulting powder is massed and found to be 40.34g. The molar mass of this new compound is 160.1 g/mol. What is the mass of oxygen combined with sulfur?

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Which type of fossil does this image depict?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space