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A compound of formula C7H8O illustrates H NMR signals at 2.3 (singlet 1H), 4.6 (singlet 2 H) and 7.3 (singlet, 5H). The infrared spectrum shows a strong, broad absorption between 3200 as well as 3500 and strong narrow absorbance at 3065, 2875 and 1030 cm-1. Define the structure of the compound as well as provide and acceptable name.
The balanced chemical reaction for the titration performed in this lab demonstration is: NaCOOH(aq)+NaOH(aq)=Na(CH3COO)(aq)+H2O(l). A basic solution has positive ions and OH- ions like Na+ and OH-.
From your current perspective, what do you think the greatest threat is to human health resulting from pollution? Why do you think so?
A 8.05-L container holds a mixture of two gases at 39 degree Celsius. The partial pressure of gas A and gas B, respectively, are 0.178 atm and 0.894 atm. If 0.210 mol a third gas is added with no change in volume or temperature, what will the tota..
determine the major species present after the reaction is complete d. calculate the pH of the solution Complete these steps for the addition of 1.0 mL , 25.0 mL, 50.0mL, 100.0 mL , 110.0 mL and 1.0 M KOH.
The reaction was allowed to proceed for 15 minutes, and the rate was measured again. What would you predict about the second measured rate relative to the first? The reaction rate would be faster. The reaction rate would be slower. The reaction ra..
From the Bohr model of the hydrogen atom, what can we conclude about the energy required to excite an electron
What mass of salicylic acid is needed to produce one extra strenght tablet of aspirin if the reaction has 60% yield. Please show work and correct sig figs.
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
A gaseous mixture of O2, H2, and N2 has a total pressure of 1.50 atm and contains 8.20 g of each gas. Find the partial pressure of each gas in the mixture.
8.0 moles of CO2 and 9.0 moles of H2O are places in a 5.0L vessel. When equilibrium is established, [C2H4]=0.45 M. Calculate Keq
Generally speaking, as you go across a period in the periodic table, the effective nuclear charge (Zeff) increases because each successive element contains more protons in the nucleus than the previous element and the outer electrons are all in th..
Calculate the ionic strength of a solution containing 0.010 M calcium sulfate and 0.010 M sodium chloride. Show all work.
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