Chemistry, 04.11.2020 14:00 kordejah348
How many grams of Kr are in a 8.55 L cylinder at 12.3 ∘C and 8.33 atm?
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Chemistry, 23.06.2019 00:50
The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
Answers: 3
Chemistry, 23.06.2019 02:00
An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
Answers: 1
Chemistry, 23.06.2019 17:00
Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal
Answers: 1
You know the right answer?
How many grams of Kr are in a 8.55 L cylinder at 12.3 ∘C and 8.33 atm?...
Questions
English, 27.10.2020 22:10
Mathematics, 27.10.2020 22:10
Mathematics, 27.10.2020 22:10
Mathematics, 27.10.2020 22:10
Social Studies, 27.10.2020 22:10
Mathematics, 27.10.2020 22:10
Computers and Technology, 27.10.2020 22:10
Computers and Technology, 27.10.2020 22:10
