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249g of ice at 265K is mixed with 101g of water at 304K. Calculate the final temperature of the mixture. Assume that no energy in the form of heat is transferred to the environment. (Heat of fusion = 333 J/g; c ice = 2.06 J/g·K, c water = 4.184 J/g·K)
What mass of CCl4 will be formed if 1.20 moles of methane react with 1.55 moles of chlorine?
the electron-state H atom absorbs a photon of wavelength 93.78 nm. To what energy level does the
At equilibrium the total pressure was 1.00 atm and the NOCl prssure was 0.27 atm. 2NOCl(g) &hArr 2NO(g) + Cl2(g) Calculate the partial pressure of NO and Cl2 in the system
Draw any one of the skeletal structure of a secondary alkyl bromide with a molecular formula C6H13Br and two stereogenic centers.
The temperature of a lead fishing weight rises from 26 degrees Celsius to 38 degrees Celsius as it absorbs 11.3 J of heat. What is the mass of the fishing weight in grams.
what is the ppm of hardness for the 0.00100 M CaCl2 solution?
The other criterion is very basic and relates to whether simple or fractional is selected
Given the following reaction: 2 O2 + CH4 CO2 + 2 H2O What mass of CH4 is required to completely react with 100 grams of oxygen.
Discuss the importance of economics as it relates to pollution prevention. Supple at least two seperate examples to augment your discussion.
Determine the value of K (the thermodynamic equilibrium constant) at each temperature. b) Assuming that ?H°rxn is independent of temperature, determine the value of ?H°rxn from these data.
Which of the following is a statement of Hess's Law? Answer a. If a reaction is carried out in a series of steps, the ΔH for the reaction will equal the sum of the enthalpy changes for the individual steps
A gas under a pressure of 74 mmHg and at a temperature of 75C occupies a 500.0-L container. How many moles of gas are in the container?
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