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The heating element of an iron operates at 110 V with a current of 10 A.
(a) What is the resistance of the iron?
(b) What is the power dissipated by the iron?
Demonstrate intermediate resonance structures leading to both methyl Meta-and para-nitrobenzoates. Based on these resonance structure, s which product should be favored and why
A 10g sample containing an analyte was transferred to a 250 mL flask and diluted to volume. A 10mL aliquot of this solution, diluted to 25mL, yielded a signal of .235 units. A second 10 mL aliquot was spiked with 10mL of 1ppm standard solution of ..
For which substances would you predict the highest boiling point? Answer with explanations as to why?
calculate the difference in mass that is hold by a 500.0mL flask at a temperature of 0.0°C from that at temperature of 20.0 °C? (you can assume the volume of the sample at 0.0 °C temperature =volume of the sample at 20.0°C)
It bums in a steam generator with 115 percent theoretical air. Calculate the minimum stack temperature if the fiue gases leaving the air preheater are at 15 psi?
What does the heat of dissolution measure?
The first-order disappearance of a substance has a half-life of 34.0 s. How long does it take for the concentration of the substance to fall to 12.5% of the original value
1.5 mol of oxygen are mixed with an unknown amount of nitrogen in a 2.0 L container at a temperature of 26.0C. If the final pressure of the mixture is 20.3 atm, what is the number of moles of nitrogen in the container
question sn2 reactions occur at different rates depending on the structure of the substrate in the reaction. would an
determine volume it would have if it reaches an altitude where the temperature = -33 0C , pressure = 0.65 atm?
Alcohols are less volatile than ethers of the same molecular weight, but the two classes of compounds have approximately the same solubility in water because
The heat of formation of liquid diatomic bromine is 0 kJ/mole. The heat of formation of gaseous diatomic bromine 30.9 kJ/mole. The heat of formation of gaseous monatomic bromine
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