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Question 1. How is ionic equation different from a molecular equation?
Question 2. What are the differences between a strong and a concentrated acid, and do these two terms really mean the same?
What volume (V) of 2.20 M NaOH solution must you add in order to prepare an acetate buffer of pH 5.24? (the pKa of acetic acid is 4.76)
Gasohol contains ethanol (C2H5OH) which when burned reacts with oxygen to produce CO2 (g) and H2O(g). How much heat is produced when 12.5 grams of ethanol burns.
An alkane with a molecular formula of c18h18 reacts with chlorine in the presence of light and heat to give a single monochloride c8h17cl. What is the most resonalble structure for the starting alkane? and why?
at 60 degrees c the vapor pressure of pure benzene is 388mmhg and that of pure toluene is 137mmhg. calculate the mole
Problem- Arrange each of the following groups in order of increasing standard molar entropy(S) and explain your rationale.
what is the balanced net ionic equation for the reaction below in basic solution? enter the coefficient for each
Start Virtual ChemLab and select Alpha and Beta Particles from the list of assignments. The lab will open in the Quantum laboratory. What source is used in this experiment? Drag your cursor over the source to identify it.
You need to dissolve CaCl2 in water to make a mixture that is 41.0% calcium chloride by mass. If the total mass of the mixture is 363.9g what masses of CaCl2 and water should be used
Explain the chemical process of manufacturing the metal form of titanium. Explain why titanium is a good choice of material for golf clubs. When not in use, discuss at least one precaution to observe when storing clubs?
19.8 mL NaOH is required to titrate 0.6013g of potassium hydrogen phthalate. How many mL NaOH required to titrate 25 mL 0.10 M HCL solutions
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol..
at 25.0degc a sample of xe gas occupies 545 ml in a piston-cylider apparatus when the external pressure is 751 torr. at
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