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Compute the theoretical yelled percentage of a reaction between sodium and water if 25.0 g of sodium react with excess water and is 15.5 L of gaseous hydrogen are collected at as well as TP conditions?
define in one or two sentences the following terms indicate one step in glycolysis in which they are significant.a
How much heat (in kJ) is released when 15.0 L of CO at 85 degrees C and 112 kPa reacts with 18.5 L of H2 at 75 degrees C and 744 torr?
The molar mass of cellulose is approximately 6.0 x 105 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 103 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5
The metals in group 3A, 4A and 5A are not transition metals, however all but 1 has variable charges. What element in Group 3A, period 3 has a fixed charge, and what is that charge
Melting point of a mixture A + B was measured to be higher than any of the melting points of pure individual components A and B. When this might be the case. (A possibility of an experimental error was excluded).
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?
Explain a sample of hydrogen was prepared and collected over water at 25 °C and a total pressure of 742 torr. It engaged a volume of 288 mL.
What is the maximum number of electrons that can populate a given orbital there (b) Write the electronic configuration of the element with atomic number 8 in the periodic table. Formatting: superscript numbers where appropriate but omit parenthese..
What is the value of the rate constant (k) for this reaction? Points will be deducted if you do not include the correct sign and units of the rate constant. (b) Determine the half-life for this reaction in units of seconds
Calculate the theoretical amount of CaCl2 that would be required to change the temperature of 50.0 mL of water from 20C to 45C. The heat capacity of water is given as 4.184 J/degree, and the density of water is given as 1 g/ml
the polarity of a molecule predicted from its bond angles and electronegativities of its component elements
How many ml of a 0.050 M kMno4 solution are required to oxidize 2.00 g of feso4 in a dilute solution
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