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How Many moles of CO2 when 15.5 ml of a 3.00 M HCI reacts with excess CaCO3?
The calcium carbonate in limestone reacts with HCl to procduce a calcium chloride solution and carbon dioxide.
CaCo3(s) + 2HCl (AQ) = CaCl2 (aq) + H2O (l) + CO2 (g)
An astronaut's spacesuit has a pinhole leak. If the spacesuit contains air of normal composition (78% nitrogen and 21% Oxygen),
If an enzyme-catalyzed reaction proceeds at 25% maximal velocity at 5 mM substrate concentration, calculate the Km of the enzyme.
Compute the volume of CO 2 and water vapour produced and the volume of oxygen remaining, when 20.0 dm 3 of propane reacts with 120.0 dm 3 of oxygen. All gas volumes are measured at the same temperature and pressure.
For the following reaction, if 11.2 L of Nitrogen are reacted to form NH3 at STP, How many liters of Hydrogen will be required to completely consume all of the nitrogen.
A sample of nitrogen gas in a 4.6-L container at a temperature of 30.°C exerts a pressure of 3.9 atm. Calculate the number of moles of gas in the sample.
The conversion of glucose into lactic acid drives the phosphorylation of 2 moles of ADP to ATP and has a deltaG= -135 kJ/mol. What is the deltaG for the conversion of glucose into lactic acid
The rate constant of a reaction is 4.7 10-3 s-1 at 24°C and the activation energy is 33.6 kJ/mol. What is the value of k at 75°C?
The activation energy for a particular reaction is Ea = 14.20 kJ. What percentage of the molecules are at or above the activation energy at 500.0 K
determine all the octahedral and tetrahedral d-counts for which Jahn-Teller distortions are possible. Give examples of metals that might commonly exhibit these d-counts and geometries. Differentiate between low and high spin cases for octahedral g..
With regard to the solutions you discarded in this experiment identify the compounds in the filtrate discarded in step 19.
Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density of uranium hexafluoride at 62°C at 755 torr.
A sample of seawater consists of water, sodium ions, chloride ions, and several other dissolved salts. These ions and salts are evenly distributed throughout the water. Which term or terms could be used to describe this sample of seawater?
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