How many grams of Pb and FeSO4 are required to produce 200 grams of PbSO4?, what mass of Fe is also produced?

1Pb+1FeSO4 - > 1PbSO4+1Fe

State whether the following statements are true or false. If false, explain why. (a) A reaction stops when equilibrium is reached. (b) An equilibrium reaction is not affected by increasing the concentrations of products.

What is the process of ice cracking

Which is the force of attraction that holds atoms together? A. gravity B. friction C. physical bond D. chemical bond

The ph of a finished water from a water treatment process is 10.74. What amount of. 02 n sulfuric acid, in milliliters, is required to neutralize 1 l of finished water assuming alkalinity is zero

1. If a metal with a higher specific heat were used, would this raise or lower the final water temperature? Explain

What characteristic must be true of a good hypothesis

Which pair of atoms has the highest electronegativity difference? Na-F Ca-F H-F C-F F-F

How fast can a turbidite bed form? a matter of minutes a matter of seconds a matter of hours a matter of years

The half-life of carbon-14 is 5,730 years. How many grams of parent material will remain from a 100-gram sample of carbon-14 after 2 half-lives? 75 6.25 12.5 25

Which of the following describes the difference between nitrogen-14 and nitrogen-15? A. Nitrogen-14 has 14 electrons, 14 protons, and 14 neutrons; nitrogen-15 has 15 electrons, 15 protons, and 15 neutrons. B.