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Based on the stoichiometry, at what point does the limiting reactant change? show calculations to support your answer.
The volume of acid HCL (10mL) is constant and mass of metal Mg (0.250g) is constant.
Concentration of HCl Volume of Gas
0.5 M 85 mL
1.0 M 118 mL
1.5 M 181 mL
2.0 M 241 mL
2.5 M 284 mL
3.0 M 255 mL
3.5 M 320 mL
4.0 M 310 mL
Another solution of the same chemical is measured under the same conditions and has an absorbance of 0.81. What is its concentration?
A chemist must dilute 10.7mL of 3.68 M (Molarity) aqueous sodium thiosulfate (Na2S2O3) solution until the concentration falls to 1.00M.
Arrange the members of the following set of elements in order of increasing first ionization energies. (Use the drop down lists to indicate your choice, with 1 as the smallest IE and 6 as the largest IE.)
Metals Covalently Bonded to Benzene, Specifically interested to know why you don't see metals bonded to benzene with a covalent sigma bond. I am not interested in metal benzene complexes.
If some air remained in your syringe along with the natural gas sample, would that make your result greater or less than the actual molar mass of natural gas? is the same true for your sample of unknown gas?
25.0 mL of ethanol (density = 0.789 g/mL) initially at 7.4°C is mixed with 32.1 mL of water (density = 1.0 g/mL) initially at 25.3°C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?
At the point of equilibrium there were 82.63 g of Br2(l). Determine the total pressure in the 50.0 L container at equilibrium.
Provide me with your exact logic used to get the answer. A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds in their respective molar ratios.
If 18.26 grams of sulfuric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?
A reaction occurs at a rate of 2.25 *10-2 moles per liter per second at 332 K. Estimate the increase in the rate of a reaction when the temperature increases to 332 K. Express the rate in moles per liter per second.
calculate the IHD and select all the types of unsaturation that might be present in the molecule based on the IHD.
An aqueous solution containing 21.6 mg of vasopressin in 100.0 mL of solution has an osmotic pressure at 25.0 oC of 3.70 mmHg. What is the molecular weight of the hormone?
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