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The base solution was added to the acid solution but was not stirred while temperature measurements were made. Some of the base splashed out of the calorimeter while pouring
In an experiment 1.65g of lead(ii) nitrate react with .327g of zinc. What is the mole relationship between the lead nitrate and the zinc.
The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.5 liters
An industrial waste from a metals industry contains approximately 5*10^-3 M H2SO4. Before being discharged into the stream, the water is diluted with tap water in order to raise the pH.
Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.
A gaseous mixture of O_2 and N_2 contains 40.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 325 mmHg?
Determine the freezing point and calculate the final temperature if initially this iron nail was at temperature of 28 degree Celsius?
Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.
the anharmonicity constant is 117.90 cm^-1. Calculate the frequency at which the Q branch for the first overtone will be found.?
How much heat energy is needed to raise the temperature of 2.01 Kg of this oil from 23 C to 191 C?
If you dissolve 4 aspirin tablets in a 340mL glass of water, what is the pH of the solution and the percent dissociation?
what does the Fluid Mosaic Model say about the structure and composition of a cell's membrane. Why would water molecules or a metabolic compound like Acetyl-CoA, need a transport protein to move rapidly and in large quantities across a membrane
The solubility of solute in a solvent depends on various parameters, such as temperature, pressure, the nature of the solute, and the nature of the solvent. Considering these parameters, identify the statements that are correct for the solubility ..
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