The low pressure system wind flow in a counterclockwise direction toward the center because low pressure are connected, and in fact often generally, by upper atmosphere with winds. Winds generally blow from high pressure to low pressure areas at the surface. The direction of deflection is caused by the rotation of the Earth and the resulting Coriolis effect.
A way to remember this is.....some stoners like to get "high around the clock" (as in clockwise, but please don't do this!!)
Low pressure systems usually bring cloudy stormy conditions, while high pressure system bring clear bright skies and in the summer, warm weather.
Answer: 3.0 moles of water 
are needed to react with a mole of 3.0 of Na
Explanation:
The balanced chemical reaction of sodium with water is as follows:
According to stoichiometry:
2 moles of sodium 
reacts with = 2 moles of water
Thus 3.0 moles of sodium reacts with = 
moles of water
3.0 moles of water are needed to react with a mole of 3.0 of Na
The empirical formula is CrCl₃.
Explanation:
To find the empirical formula we use the following algorithm.
We divide each percentage by the atomic weight of each element:
for Cr 32.8 / 52 = 0.63
for Cl 67.2 / 35.5 = 1.89
The result will be divined by the smallest number:
for Cr 0.63 / 0.63 = 1
for Cl 1.89 / 0.63 = 3
The empirical formula is CrCl₃.
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empirical formula
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D) A log of who has handled the evidence and when so the integrity of the evidence is upheld.
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