Chemistry, 11.05.2021 15:10, trystonprice
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 36.18 gram sample of a hydrate of Na2CO3 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 13.40 grams of the anhydrous compound remained. What is the formula of the hydrate
Answers: 3
Chemistry, 21.06.2019 18:00, jeffcarpenter
Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.
Answers: 1
Chemistry, 21.06.2019 23:00, fespinoza019
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
Chemistry, 21.06.2019 23:20, anggar20
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 16:30, joshua1255
Find the number of moles of argon in 364g of argon.
Answers: 2
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the w...
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