2 years ago

_ are corrosive substances characterized as having a strong smell, a sour taste, and a _.

Chemistry

1 answer:

lisov135 [29]2 years ago

7 0

Acids
ph of less than 7

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3 years ago

Determine the empirical formula. a 3.880g sample contains 0.691g of magnesium , 1.84 g of sulfur , and 1.365 g of oxygen .

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.691 g of Mg is .284 mole

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Mg S2 O3

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2 years ago

A train travels 65 km in three hours and then 52 km in two hours. What is its average speed?

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3 years ago

Stannum has a body centered tetragonal with lattice constant, a = b = 5.83A and c = 3.18A. If the atomic radius is 0.145 nm, det

Fed [463]

Answer:

the atomic packing factor of Sn is 0.24

Explanation:

a = b = 5.83A and c = 3.18A.

Volume of unit cell = a²c

= (5.83)² * 3.18 * 10⁻²⁴ cm³

= 1.08 * 10⁻²²cm³

Volume of atoms =

$2 \times \frac{4}{3} \pi r^3$

(∴ BCC, effective number of atom is 2)

Volume of atoms =

$2 * \frac{4}{3} *3.14*(0.145*10^-^7cm)^3$

= 2.55*10⁻²³cm³

$\text {Atomic packing factor}=\frac{\text {volume occupied by atom}}{\text {volume of unit cell }}$

$=\frac{2.55*10^-^2^3}{1.08*10^-^2^2} \\\\=0.24$

<h3>therefore, the atomic packing factor of Sn is 0.24</h3>

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3 years ago

_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

_ are corrosive substances characterized as having a strong smell, a sour taste, and a _.