Plasma or white blood cells
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<span>If the water faucet is opened, then the amount of water flowing will increase. </span>
For a 100-g compound, we would have 2 g H, 32.7 g S, and 65.3 g O. We then divide each of these masses by their molar masses:
2 g H / 1.01 g/mol = 1.98 mol H
32.7 g S / 32.07 g/mol = 1.0196 mol S
65.3 g O / 16.00 g/mol = 4.08125 mol O
We then divide each amount of moles by the smallest of them, which is the 1.0196 from S:
1.98 mol H / 1.0196 mol S = 1.94 H ~ 2 H
1.0196 mol S / 1.0196 mol S = 1 S
4.08125 mol O / 1.0196 mol S = 4 O
So the empirical formula of the compound is H2SO4.
A Lewis structure is a model that uses electron-dot structures to show how electrons are arranged in molecules.
total valance electron of SeCl2 = 20
valance electon of Se= 6
valance electron of two Cl= 14
in figure shows that two bond pairs, two bond present between Se and Cl
Non bonded electron is 16
and bond pair of electron is 4
Answer:
stars are born in vast clouds of gas and dust. stars spend most of their lives on the main sequence fusing hydrogen gas to helium gas. stars eventually swell up to form a red giant star. stars like the Sun end their lives as planetary nebulae and white dwarfs.
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