50 mL of 2.2 M HCl is combined with 50 mL of 2.0 M NaOH in a coffee-cup
calorimeter. The temperature of the solution increases 13.4°C. Assume the
calorimeter is a perfect insulator and the mixture has a specific heat capacity identical
to pure water (4.184 wc)
.
Calculate the heat change from the chemical reaction (in units of kJ). (Pay attention to
sign conventions and do not write the units in your typed answer.)
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When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device
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50 mL of 2.2 M HCl is combined with 50 mL of 2.0 M NaOH in a coffee-cup
calorimeter. The temperatur...
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