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2C4H10(g)+13O2(g)→10H2O(g)+8CO2(g)
Calculate the mass of water produced when 2.07 g of butane reacts with excess oxygen.
Calculate the mass of butane needed to produce 46.2 g of carbon dioxide.
What is the pH of a solution prepared by mixing 25mL of .10M CH3CO2H with 25 mL of .010M CH3CO2Na? Assume that the volume of the solutions are additive and that Ka= 1.8 x 10-5 for CH3CO2H.
which atom will have the largest atomic radius? Sb, Ba, or F?
Calculate the energy change, in J, for 1 gmol of H2O 1) 0 to 100km/h 2) 0 to 100m 3) at 100'C from 0.1 bar to 1 bar 4) at 5bar from 0 to 100'C 5) Dissociating to H2 and O2 at 25'C
Using your lecture slides, text, or other sources, propose a method for verifying the identity of your protein (i.e. making sure that your purification scheme worked through outside validation). Describe how this method will accurately identify th..
Carboxypeptidase A is an exopeptidase, which means that it only cleaves the C-terminal residue from a polypeptide chain. Why is only the C-terminal residue cleaved, and no cleavage in the chain?
Consider the titration of 50.0 mL of 0.20 M NH3 (Kb=1.8*10^-5) with 0.20 M HNO3. Calculate the pH after addition of 50.0 mL of the titrant.
A "free" element A monoatomic ion Part of an ionic or covalent compound Part of a polyatomic ion I know that H and O's numbers can change depending on how they are bound to other elements, but usually H is +1. However a more simple way to memorize..
To make 1.50 L of 0.100 M NaCl from a 3.13 M stock solution,you would need to take ( blank) mL of the stock solution and add (blank) mL of water
How many atoms of oxygen are contained in 47.6g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g/mol.
Calculate the molarity of the resulting solution if 0.126 grams of Hydrogen ion [H+] is dissolved in 250 mL of distilled water.
The solubility of CO2 in water will increase when which condition is applied? * The Temperature is raised * Partial pressure of carbon dioxide is increased * Partial pressure of carbon dioxide is decreased
Using a spectrometer and beers law to determine % of copper in a brass sample: what equations are used to determine all.
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