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4.5 g CH4(g) occupies 12.7L at 310K. Calculate the work, heat, energy, and enthalphy change upon expansion by 3.3L @p=constant. please show the equations used.
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When carbonic acid decomposes, water and carbon dioxide are formed.
Draw a structure showing four water molecules bonded to a central water molecule by means of hydrogen bonding. Explain why the pressure of the atmosphere decreases with increasing altitude
If the solution contains a metal cation such as \rm Ag^+, the flow of electrons will reduce the silver ion, causing solid silver to plate onto the electrode.
What is the pH of a solution obtained by adding 5.00 g of HI to 295 mL of a 0.786 M solution of nitric acid?
These names have been provided for an organic compound, but it is incorrect. Please provide the correct name, following IUPAC naming rules.
When the electrons return to the ground state, they lose the excess energy in the form of 640 nm photons. What is the energy gap between the ground state and excited state in the laser material? answer is in J i was absent in class and my test is ..
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
what is a good conductor at high temperature and a poor conductor at low temperature? YBa2Cu3O7 GaAs S Cu
A solution contains 0.635g NaOH in 236 ml solution. What is the [OH-]?
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25°C. Calculate the pH at 25°C for each of the following.
The problem: CaCO3 can be roasted to produce CaO and CO2. This reaction is carried out in a flash connected to an open-end mercury manometer when the atmospheric pressure is 754 torr.
If 1.56g of a gas has a volume of 1.00 L at .984 atm and 50 degrees Celcius, what is the molar mass of the compound
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