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3 years ago

Bromine occurs in the ____ state at room temperature.

Chemistry

1 answer:

Studentka2010 [4]3 years ago

6 0

Answer:

d liquid

Explanation:

Bromine occurs in the liquid state at room temperature.

Bromine is the only nonmetallic element that occurs in the liquid state at room temperature.

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Eukaryotic gene expression is regulated during transcription and RNA processing, which take place in the nucleus, and during pro

Arlecino [84]

Answer:

Ok, is this a true and false question? Anyways, yes. the central dogma, from dna transcription to mRNA translation to proteins. and further regulation can occur through post-translational modifications of proteins. it is a true statement

Explanation:

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3 years ago

A 7.50 liter sealed jar at 18 degrees C contains 0.125 moles of oxygen and 0,125 moles of nitrogen gas. What is the pressure in

LiRa [457]

PV = nRT —> P = nRT/V
n = 0.250 moles of gas
R = 0.08206 L atm / mol K
T = 18 + 273 = 291 K
V = 7.50 L

P = (0.250)(0.08206)(291)/(7.50) = 7.96 atm

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3 years ago

What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 23 ∘C , V1= 1.69×103 L ) to a v

andrezito [222]

Answer:

319.15^{o}C[/tex]

Explanation:

When all other variables are constant, we are allowed to use the formula

$\frac{T_{2} }{V_{2} } = \frac{T_{1} }{V_{1} } \\Which can be rewritten as T_{2} = \frac{T_{1} V_{2} }{V_{1} }if you make T2 the subject of the formula. This formula is true only if temperature is in Kelvin not degrees Celsius so T1 must be converted to KelvinNow to calculate T2[tex]T_{2}= \frac{296.15K*3.38.10^{3}L }{1.69.10^{3}L }= 592.3K$ = $319.15^{o} C$

3 0

3 years ago

Differentiate the three pictures and explain them briefly.

Dmitry [639]

Answer:

answer

Cold Front - a zone separating two air masses, of which the cooler, denser mass is advancing and replacing the warmer.

Warm Front - a transition zone between a mass of warm air and the cold air it is replacing.

Stationary Front - a front between warm and cold air masses that is moving very slowly or not at all.

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3 years ago

What is sodium chloride

DedPeter [7]

Answer:

Sodium chloride, commonly known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.

Explanation:

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3 years ago