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fredd [130]
3 years ago
9

Which of the following is the correct name for the compound MgBr2? A) Magnesium bromate B) Magnesium bromide C) Magnesium dibrom

ide D) Magnesium (1) bromide
Chemistry
1 answer:
sergeinik [125]3 years ago
3 0

Answer:

It's A) magnesium bromide

Explanation:

The name for the compound MgBr2 is magnesium bromide. Mg is the symbol for magnesium, and Br is the symbol for bromine.

I Hope it will help

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Answer:

525°C is the maximum safe operating temperature the engineer should recommend for this reaction.

Explanation:

Volume of the cylindrical container = V = \pi r^2h

Height of the vessel = h =60.0 cm

Diameter of the vessel = d = 50.0 cm

Radius of the vessel = r = 0.5d = 25.0 cm

V=3.14\times (25.0 cm)^2\times 60.0 cm=117,809.72 cm^3=117,809.72mL

1 cm^3=1 mL

1 mL = 0.001 L

117,809.72 mL = 117,80972 L ≈ 118 L

Pressure of the gas in vessel = P = 7.40 MPa = 7.40\times 10^6 Pa

1 MPa = 10^6 Pa

1 atm = 101325 Pa

P=\frac{7.40\times 10^6}{101325} atm=73.0 atm

Mass sulfur hexafluoride gas = 19.2 kg = 19200 g

1 kg = 1000 g

Moles of sulfur hexafluoirde = \frac{19200 g}{146 g/mol}=131.5 mol

Temperature of the gas in vessel = T

Using an ideal gas equation :

PV=nRT

T=\frac{PV}{nR}=\frac{73.0 atm\times 118 L}{0.0821 atm L/mol K\times 131.5 mol}

T = 797.8 ≈ K 798 K

T = 798 - 273°C = 525°C

525°C is the maximum safe operating temperature the engineer should recommend for this reaction.

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