how much energy is transferred to the surroundings when one mole of anhydrous copper sulfate is converted back into one mole of hydrated copper (ii) sulfate​

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)