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Which of the following is not a general characteristic of amides? High boiling points Intermolecular hydrogen bonds are present Solutions in water are basic Most are solids at room temperature C=O and C-N bonds involve resonance
How many milliliters of 0.200 M NaOH will be required to titrate 7 mL of 0.479 M H2SO4
What is the final temperature when 125 g of iron at 92.3 °C is dropped into 50.0 g of water at 27.7 °C? The specific heat of iron is 0.444 J g-1 °C-1 and the specific heat of water is 4.184 J g-1 °C-1.
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 Celcius. The concentration of Cu2+ in one of the half cells is 1.5 * 10-3 M. what is the concentration of Cu2+ in the other half cell?
Is the dissolving of calcium hydroxide in water an endothermic or exothermic process?
If the temperature in the laboratory is 22.7oC and the atmospheric pressure is 0.966 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
a gas expand and does P-V work on the surroundings equal to 294 J, at the same time , it absorbs 196J of heat from the surroundings. what is the change in energy of the system
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate.
How much energy (in kilojoules) is required to convert 270 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
Benzene, C6H6, is reacted with bromine, Br2, to produce bromobenzene, C6H5Br, and hydrogen bromide, HBr, as shown below. When 40.0 g of benzene are reacted with 95.0 g of bromine, 65.0 g of bromobenzene is produced.
What difference in their structural properties renders the triethylene glycol the only one that will work?
A 265 mL stock solution contains 2.3 M Ca(CN)2. When 105 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?
What are the effects of temperature, molarity, surface area, nature of the reactants, and the presence of a catalyst on the reaction rate of Zn(s)+2HCl(aq)-> ZnCl2(aq)+ H2(g)
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