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The boling point of water in city a is 94 degrees celcius and in city b it is 97 degrees celcius. which is at the higher elevation?
The density of benzene at 15C is 0.8787 g/mL. Calculate the mass of 0.1500 L of benzene at this temperature.
If 1.26 L of H2 gas are formed at STP, how many gram of HCl reacted? The reaction is Zn(s) + 2HCl(aq) ( H2(g) + ZnCl2 (aq)
Calculate the pH after 0.020 mol NaOH is added to 1.00 L of a solution which is 0.100 M NH2OH and 0.100 M HONH3Cl.
If 159 of wet is collected over water at 24 and a barometric pressure of 737 , how many grams of have been consumed.
A sample of gas with an initial volume of 27.6L at a pressure of 735 mmHg and a temperature of 309 K is compressed to a volume of 15.8 L and warmed to a temperature of 374 K.
The specific heat of fat is 0.45 cal/(g C) and the density of fat is 0.94g/cm^3 . How much energy (in calories) is needed to heat 10cm^3 of fat from room temperature (25 C) to its melting point (35 C).
Compute the final temperature of the mixture (assuming no heat loss to the surroundings). The heat capacities of H2O(s) and H2O (l) are 2.08 and 4.18 J/g · °C, respectively, enthalpy of fusion for ice = 6.02 kJ/mol.
Explain, phenomena in terms of atomic structure and behavior. When you lightly bump into a car, why does it dent and not create a hole.
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed.
If equal masses of H2 and O2 (100.0 grams each) are reacted together to produce water, how many grams of water could be produced.
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
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