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Describe the reaction as a balanced chemical equation that occurs when methane which is a natural gas, CH4 is burned in the presence of excess oxygen, O2. If 100g of Butane are reacted with unlimited amounts of oxygen, how much carbon dioxide (in grams) and how much water (in grams) should form?
what gas are evolved from the acidified solution of hydrolyzed albumin? write equationfor the reaction of the gas with lead II acetate?
The amount of EDTA used for the titration was 13.49 mL. Calculate the total hardness (mg/L or ppm of calcium carbonate) for this water sample. Give your answer to one decimal place.
A particular reaction has a DH value of -114 kJ and DS of -296 J/mol K at 298 K. Assuming that DH and DS hardly change with temperatur, determine the temperature in C at which the spontaneity of this reaction changes.
Assuming the oil layer to be one molecule thick, calculate the approximate diameter in Angstroms (1 A = 10^-10 m) of a single molecule. (Use volume = area x depth.)
how many millgrams of ascorbic acid (molar mass = 176.1g/mol) are in the sample, calculate the number of milligrams of ascorbic acid per 100g of citrus juice.
What substance is in excess? D) How many grams of the excess reactant is leftover (remaining) after the reaction stops
In order to raise the temperature of 266 g of methane gas from 25.0 C to 40.0 C, how much heat energy in kilojoules is required given that the specific heat of methane gas is 2.20 J/(g*C)
What exactly are myosin, actin, troponin and tropomyosin chemically?, What molecule releases energy when its bonds are broken. Which bonds are broken to release that energy?
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25°C. Calculate the pH at 25°C for each of the following.
An 11 liter tank is filled with 80 moles of air at at pressure of 203 bar. What is the temperature of the air in the tank in degrees Celsius
A solid aluminum sphere has a mass of 87g. How do you use the density of aluminum to find the radius of the sphere in inches
a couple drops of phenophalein indicator and then was titrated with 8.1mL of NaOH until it turned pink. what is the concentration of NaOH?
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