Chemistry, 10.07.2019 21:00 cocoarockford
One mole of beryllium (be) contains the same number of atoms as 22.99 g of sodium. there are about 2.007×1023 atoms in 9.0 g al. one mole of calcium (ca) weighs about as much as two moles of neon (ne). 11.495 g of sodium contains 6.022×1023 atoms.
Answers: 1
Chemistry, 22.06.2019 04:50
The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion
Answers: 1
Chemistry, 22.06.2019 10:40
Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant
Answers: 2
Chemistry, 22.06.2019 12:30
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
Answers: 2
Chemistry, 22.06.2019 14:00
What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
Answers: 3
One mole of beryllium (be) contains the same number of atoms as 22.99 g of sodium. there are about 2...
Mathematics, 09.06.2021 18:00
Mathematics, 09.06.2021 18:00
Law, 09.06.2021 18:00
Mathematics, 09.06.2021 18:00
History, 09.06.2021 18:00
Spanish, 09.06.2021 18:00
English, 09.06.2021 18:00
Biology, 09.06.2021 18:00
Business, 09.06.2021 18:00
Mathematics, 09.06.2021 18:00