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What is the molarity of a solution in which 80 grams of sodium hydroxide NaOH is dissolved in 1 liter of solution?
Based on what we have learned so far, type and attach an one to two paragraph paper on this element. Include information such as classification
Which of the following elements is expected to have the greatest electron affinity in this group? H, Cl, I, Cs, Li
neither carbon tetrachloride nor trans chbrchbr have dipole moments. both have cery different molecular geometries.
Thermodynamics offers a way to interpret everyday occurrences. If you live in northern climates, one common experience is that during early winter, snow falls although then melts when it hits the ground. Both the formation and the melting happen s..
How many moles of carbon, hydrogen, & oxygen are present in a 100g sample of ascorbic acid? Ascorbic acid (vitamin C) contains 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen by mass. Assume a 100 g sample of ascorbic acid.
Which of the following combinations of peaks appears in the 1H NMR spectrum of diethyl ether, CH3CH2OCH2CH3? a. a triplet and a doublet b. a quartet and a sextet c.
For a given sample of {rm CH_3OH}, the enthalpy change on reaction is 19.0 kJ. How many grams of hydrogen gas are produced?
What does this imply about the relative precision of the measurements.
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, in a flask with V = 140.612 mL at 23.5?C. Calculate the initial and final pressure (atm).
Determine the volumes of 0.25M NaH2PO4 and 0.25M Na2HPO4 that need to be mixed together to produce 800mL of a buffer at pH 7.5. The SECOND pKa of H3PO4 is 7.2.
the standard enthalpy of formation of the metallocene bisbenzenechromium was measured in a calorimeter. it was found
Calculate the pH of the following solutions with the given [H+] or [OH-] and indicate whether the solution is acidic or basic
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