Explain what volume of co2 gas
Explain what volume of CO2 gas at 645 torr and 800 K could be formed by the reaction of the 45 g of CaCO3 according to the equation?
CaCO3(s) ® CaO(s) +CO2(g)
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Explain how to prepare 250ml of 0.6M triethanolamine buffer, pH7.2, from the free amine and concentrated HCl ?(pKa for the amine hydrochloride is 7.8)
Determine the numbers of grams of Cl2 can be prepared from the reaction of 15.0 g of MnO2 and 30.0 g of HCl according to the following chemical equation?
Suggest the test average and final for five students. Does this information point to that the final grades are higher than score upon the final; that is, at the 0.05 significance level, employ hypothesis testing of mean difference where ?ˆd =
The electron travels at a speed of 2.0 x 104 m/s via a uniform magnetic field having magnitude 1.2 x 10^-3 T. Determine the magnitude of the magnetic force on the electron if its velocity vector and the magnetic field vector (i) are perpendicular
Determine the numbers of different Claisen condensation products are possible in the reaction of equal amounts of ethyl acetate (CH3CO2Et) and ethyl propionate (CH3CH2CO2Et) ?
The human eye is very sensitive to orange light having a frequency of around 5.0 x 10^14 Hz (a wavelength of around 608 nm). Determine the energy in joules of the photons related with this light?
Assume that n trials of binomial experiment result in no successes. According to "Rule of Three", we have 95% confidence that the true population proportion has upper bound of 3/n. If manufacturer randomly chooses 30 computers for quality control
A flask contains a mixture of two ideal gases, A and B. Demonstrate graphically how the total pressure of the system depends on the amount of A present; that is, plot the total pressure versus the mole fraction of A.
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