Answer:
Power plants.
Explanation:
When power plants start the burning coal process, the chemical bonds carrying its carbon atoms are brake down and releasing energy also carrying heavy metals such as lead, mercury, and cadmium into the atmosphere.
When the sulfur which is present in coal reacts with oxygen it produces sulfur dioxide and they the ability to combines with other lethal toxic molecules that are found in the atmosphere and form small, acidic particulates that can cause several diseases in humans.
Answer:
They are malleable because of the drifting electrons and because the cations slide easily past each other. Metal is malleable because its atoms can slide over each other without damaging its structure.
Answer:
The answer is "They have longer lifespans" and "They consume their hydrogen fuel slowly"
Explanation:
A star is a galactic item comprising of luminous spheroid of plasma held together by its own gravity. The closest star to Earth is the Sun. Numerous different stars are obvious to the unaided eye from Earth during the night, showing up as a large number of fixed radiant focuses in the sky because of their gigantic separation from Earth.
For the vast majority of its dynamic life, a star sparkles because of atomic combination of hydrogen into helium in its center, delivering energy that navigates the star's inside and afterward transmits into space. Practically all normally happening components heavier than helium are made by heavenly nucleo-synthesis during the star's lifetime, and for certain stars by supernova nucleo-synthesis when it detonates. Close to the furthest limit of its life, a star can likewise contain degenerate issue
A star's life starts with the gravitational breakdown of a vaporous cloud of material made essentially out of hydrogen, alongside helium and follow measures of heavier components. At the point when the heavenly center is adequately thick, hydrogen turns out to be consistently changed over into helium through nuclear fusion, producing energy all the while.
Answer:
3,8×10⁻⁵ mol/L of potassium permanganate solution
Explanation:
To calculate concentration in mol/L you must convert the 3,8 umol to moles and 100 mL to liters, knowing 1 umol are 1×10⁻⁶mol and 1L are 1000 mL.
3,8 umol × (1×10⁻⁶mol / 1 umol ) = 3,8×10⁻⁶mol of potassium permanganate.
100 mL × ( 1L / 1000 mL) = 0,100 L
Thus, concentration in mol/L is:
3,8×10⁻⁶mol / 0,100 L = 3,8×10⁻⁵ mol/L of potassium permanganate solution
I hope it helps!