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Compute the bicarbonate and carbonate alkalinities, in mg/L as CaCO3, of the water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
a small immersion heater is used to heat water for a cup of coffee. we wish to use it to heat 236 ml of water about a
What can we say about the temperature change of a sample of water when the value of q is negative
a-Calculate [OH-] of a 2.25×10^-1 M aqueous solution of hydroxylamine (HONH2, Kb = 1.1×10^-8).? part b-Calculate the pH of the above solution. pls show the step wise answer since i'm struggling with chem. (the full answer) to get the full rate:)
An unknown material begins to emit electrons from it's surface when exposed to photons with wavelengths shorter than 540 nm. Give the threshold frequency and the work function for this material.
The dipole moment of hydrogen chloride is 1.08D while that of hydrogen bromide is 0.82D. On the basis of dipole-dipole interactions, hydrogen chloride should have a higher boiling point than hydrogen bromide. The opposite is the case, however. Why
the hydrolysis of methyl acetate into ch3oh and ch3cooh in 1m hclhas been studied at 25 degrees c. the extent of
draw all possible contributing structures to the carbocation intermediate in the bromination of phenol. why would the
Which of the following statements relative to IUPAC nomenclature for alkens and cycloalkenes is incorrect? A. The position of a double bond in a parent chain is given by a single number B
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
Why is the peroxide anion such a strong oxidizing agent and describe qualitatively how the conclusions of Bohr and Rydberg are essentially the same?
equal quantites of the hypothetical strong acid hx weak acid ha and weak base bz are added to seperate beakers of water
What do you think is the basis for the selective response of a solar cell to certain wavelengths. Energy levels
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