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A metal object with a mass of 19g is heated to 96 degree celcious, then transferred to acalorimeter containing 75g of water at 18 degree celcious. Tjhe water and objectmreach a final temperature at 22 degreecelcious. What is the specific heat of the metal object?
What is the change in enthalpy when 18.4 g of steam at 100?C is converted to liquid water at the same temperature and pressure? The heat of vaporization of water is 40.7 kJ/mole. Answer in units of kJ.
In order to neutralize a 2M HCL solution you could use a 2M NaOH solution. What will be the difference(if any) if you would use a 6M NaOH solution instead
How many milliliters of 5.00 M HCl solution are needed to provide the 1.50 moles of HCl needed for a reaction?
nickel acetate in a volumetric flask and add water to a total volume of 375 mL What is the concentration of the nickel cation? What is the concentration of the acetate anion?
What is the maximum mass of CuS which can be formed when 38.0 mL of 0.500 M CuCl2 are mixed with 42.0 mL of 0.600 M (NH4)2S? Aqueous ammonium chloride is the other product.
Calculate the reaction rate for the reaction CLO2 and OH^- at 0°C. when the initial CLO2 and OH^- concentrations are 8.25 x 10^-3mol/L and 5.35 x 10^-2mol/L, respectively.
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 7565 J. What is the specific heat of the gas
Calculate the percent composition of copper in the hydrate CuSO4.5H2O based on atomic weight data.
Given that the partial pressure is 7.0x10^-4 atm, what is the pH of water at equilibrium with the atmosphere
Calculate the temperature change in the water upon complete melting of the ice. Hint: Determine how much heat is absorbed by the melting ice and then use q =mC Delta T to calculate the temperature change of the 304 g of water.
What differences might you expect in the comparative solubility of each of them in lipids? WHY?
The inital temp of the water was 25.2 degree c. At equilibrium the temp of the water and metal was 30.4 degreec -what was the change of temperature in the water
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