Lithium hydrogen carbonate, LiHCO3, decomposes when heated toform Li2O, CO2, and H2O. How many moles...
Lithium hydrogen carbonate, LiHCO3, decomposes when heated to
form Li2O, CO2, and H2O. How many moles of H2O are formed when 0.50
mol LiHCO3 decomposes?
When heated, ammonium carbonate decomposes as follows:
NH4CO2NH2(s) ⇌ 2NH3(g) + CO2(g). At a certain temperature the
equilibrium constant is KP = 2.9 x 10-3.
Calculate the total equilibrium pressure at this temperature.
When baking soda is heated it decomposes according to
the following reaction:
2NaHCO3(s) <------ ------->
Na2 CO3(s) +H2O(g)+CO2(g)
If sufficient baking soda is placed in an evacuated
container and heated to 90 ºC, the total pressure of the gases is
0.5451 atm.
What is the value of Kp at that
temperature?
1. When heated, calcium carbonate gives off CO2 according to the
following reaction: CaCO3(s) → CO2(g) + CaO(s) You perform this
reaction in lab by heating a test tube containing CaCO3 and collect
the CO2 over water for later analysis. You collect 20.3 mL of gas.
What mass of CO2 have you collected? Assume the temperature and
pressure of your lab is 25 °C and 1.00 atm. The vapor pressure of
water at 25 °C is 24.0 Torr. (a) 35.4...
2H2S (g) = 2H2 (g) + S2
(g)
When heated hydrogen sulfide gas decomposes according to the
equation above. A 3.40g smple of H2S(g) is introduced
into an evacuated rigid 1.25 L container. The sealed container is
heated to 483 K, and 3.72 x10-2 mol of S2 (g)
is present at equilibrium.
a) Write the expression for the equilibrium constant,
Kc for the decomposition reaction represented above.
b) Calculate the equilibrium concentration in M of H2
(g) and H2S (g)...
A 1.650g sample containing lithium hydrogen carbonate is
decomposed with heat. If the mass loss is 0.255g, what is the
percentage of LiHCO3 in the unknown mixture?
LiHCO3(s) ----------> LiCO3(s) + H2CO3(g)
Calcium carbonate heated up to 700 oC decomposes to calcium
oxide and carbon dioxide. CaCO3 -- CaO + CO2 a. How many moles of
carbon dioxide can be generated from 300g of calcium carbonate. b.
How many grams of carbon dioxide can be generated from 300g of
calcium carbonate.
2 C4H10 + 13O2---->8 CO2 + 10 H20
How many moles of water are produced when 1.4 moles of C4H10
react completely with excess oxygen?
If in the reaction described above produces 5 moles of water,
what is the percent yeild?
If There is excess C4H10, HOw many grams of O2 are needed to
produce 85 grams of CO2?
1-
How many grams in 2.5 of CO2?
2- How many moles are in 90 grams of C6H12O6?
3 - How many grams of hydrogen are in 2 moles C3H8
4- Identify the groups and period that each elements belongs
:
Silicon
Barium
Element number 21
Iodine
5 - What is the maximum electron number that can be contained
in following:
A 2s orbital
The 3p subshell
The third shell
A 4d orbital
6 - How many valence electrons are...
How many GRAMS of carbon are present in 4.00 moles of carbon
dioxide, CO2?
How many MOLES of oxygen are present in 3.11 grams of carbon
dioxide?
How many GRAMS of oxygen are present in 9.82×10^22 molecules of
tetraphosphorus decaoxide?