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Predict the products and write a balance equation for each of the following: a) Decomposition: NaCl(s)--->____+____ (above the arrow it says "electricity"); b) Combination:Ca(s)+Br2(g)-->_____; c) Combination:SO2(g)+O2(g)-->______; d) Double replacement:NiCl2(aq)+NaOH(aq)-->
Aspirin has a pKa of 3.5 and is neutral in its protonated form (i.e. HA). Acetaminophen has a pKa of 9.5 and is also neutral in its protonated form. Predict the elution order of the two compounds in capillary electrophoresis.
unchanged, or less if the residue was washed with hot distilled, deionized water instead of cold distilled deionized water
Based on the stereochemistry of the addition of bromine to cinnamic acid, write structure of the dibromide product(s) that you think will be formed as the result of the reaction of Z-2-pentene with bromine
In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed.
consider the decomposition of liquid benzene to gaseous acetylene according to the following reaction C6H6=3C2H2 what is the delta H for the formation of 1 mole of acetylene?
what is the molar mass of the solute? The boiling point elevation constant for water is .512 C/m.
Which term or terms could be used to describe this sample of gold? Check all that apply. mixture heterogeneous mixture homogenous mixture solution pure chemical substance compound element
Calculate the molecular mass of the nonionic solutes: 8.02 g of solute in 861 g of water lower the freezing point to -0.430 degrees C.
Describe an electrochemical cell that would have the following net equation, by answering the following questions. Fe(s)+Ni^2(aq)-->Ni(s)+Fe^2+(aq)
A 1-L flask is filled with 1.10g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.25amt .What is the partial pressure of argon, in the flask? What is the partial pressure of ethane in the flask.
What would the net ATP yield if a muscle cell takes a glucose molecule, stores it as part of a glycogen molecule and later releases it and sends it through glcolysis.
calculate the amount of energy as heat by the freezing of 13.3 g of a liquid substance. given that the substance has a molar mass of 82.9g/mol and a molar enthalpy of fusion of 4.60 kj/mol.
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