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Why is milk or eggs administered, followed by an emetic, in cases of suspected heavy metal poisoning.
1.) What conclusions can you make about the relationship between the volume of a gas and its pressure?
can you explain hesss law? how does the quantum mechanical model of the atom explain the difference between the
what will be the heat capacity of a constant pressure, coffee-cup calorimeter that contains 100.0 ml of 3.0 M HCl solution? the density of the sloution is 1.098 g/mL, the specific heat capacity of the HCl solution is 4.1 J/gK and the heat capacity..
Question- Bioremediation is the process by which bacteria repair their environment in response, for example, to an oil spill. The efficiency of bacteria for "eating" hydrocarbons depends on the amount of oxygen in the system, pH, temperature, and ..
Which of the following chemical equations corresponds to the standard molar enthalpy of formation of N2O
Problem- A vessel with a volume of 32.5 L contains 2.80 g of nitrogen gas, 0.403 g of hydrogen gas, and 79.9 g of argon gas. At 25Â°C, what is the pressure in the vessel?
A voltaic cell employs the following redox reaction: Sn^2+(aq)+ Mn(s)--> Sn(s) + Mn^2+(aq) Calculate the cell potential at 25 under each of the following conditions.
What will be wavelength required for a baseball (mass = 149 g) traveling at a speed of 41.6 m/s
A constant pressure calorimeter having a heat capacity of 74.2 kJ/K is used to measure the energy released from burning a compound in excess oxygen to form CO2(g) and H2O(l).
1- Using your own words explain what the Avogadro's number represents 2- How many molecules of water are in 3.5 moles of the liquid? 3- How many molecules of CO are in 0.5 moles of the gas? 4- How many molecules of NaCl are in 10 moles of the salt?
Calculate the number of moles containing each of the following. Express your answer to three significant figures and include the appropriate units. A.) 1.42×1022 atoms of sodium
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.
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