Chemistry, 06.04.2021 23:50, animexcartoons209
What type of reaction does this model represent?
1. single replacement
2. double replacement
3. Decomposition
4. double displacement
Answers: 2
Chemistry, 22.06.2019 05:00, happy121906
Which position represents spring in the southern hemisphere? a) b) c) d)
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Chemistry, 22.06.2019 10:50, lejeanjamespete1
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Chemistry, 22.06.2019 12:00, daytonalive83481
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
What type of reaction does this model represent?
1. single replacement
2. double replacement...
2. double replacement...
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