D. It slows down
It slows down because the water keeps its from sinking
<span>When electrons are removed from the outermost shell of calcium atom it's atom becomes positively charged with a charge of plus one. Which is also
known as a "ion."</span><span>
Positively charged ions are called cation's and negatively charged ions are called anion's these also can change the element because it adds another plus or negative charge to the atom.
Hope this helps!
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A sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°C will have the same average kinetic energy of benzene molecules.
Let us recall that the average kinetic energy of molecules depends on the molar mass of the substance as well as the temperature of the substance. We have that;
average kinetic energy=
R = gas constant
NA =Number of molecules
M = Temperature in Kelvin
We can see that the average kinetic energy depends on temperature therefore, a sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°C will have the same average kinetic energy of benzene molecules.
Learn more: brainly.com/question/6284546
M(O)= 16 g/mol
M(H)=1 g/mol
m(O)/m(substance)
1) 16/17
2)16/18
3) 16/19
4) 32/34=16/17
1) and 4) give the same answers, and 16/17 are the greatest fraction, so greatest % oxygen by mass also.
The answers should be 1) and 4).
Answer:
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