<span>H2SO4 gives 2 moles oh H+ per mole of acid
[H2SO4] = 2M so [H+] = 4M
pH = -log(4) = -.6
Therefore, the pH </span><span>of a 2.0 M H2SO4 solution is -0.6
</span>
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Answer:
A. it is the lowest at low temperatures
Explanation:
At low temperature the kinetic energy of a molecule is low. The kinetic energy is directly proportional to the temperature of the molecule. The kinetic energy of a molecule increases with the increase in the temperature that energize the molecules of a substance and makes them to move faster than before.
As the kinetic energy is proportional to temperature so it does not increase with decrease in the temperature (low temperature). The kinetic energy varies with the change in the temperature and it is not same at all temperature. The kinetic energy is highest at high temperature. Thus, option A is correct.
Answer:
Electronegativity (χ) is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself. Atoms with higher electronegativity attracts more electrons towards it, electrons are closer to that atom.
I had a dream once more like a nightmare,about a zombie apocalypse.
Answer:
C. Filtration will cease
Explanation:
Generally, blood hydrostatic pressure (BHP) in the capillaries of human body drives filtration. A significant change in the value of the blood hydrostatic pressure leads to a corresponding change in the rate of filtration. The higher the change in the BHP, the higher the change in filtration and vicer versa. Thus, if BHP changes to 45 mmHg, filtration will cease.
