2 years ago

Question 5 of 5

Chemistry

2 answers:

rjkz [21]2 years ago

8 0

Probably Fresh vegetables, it can rot out, that’d be my guess, it’s not canned

amid [387]2 years ago

6 0

Answer:

probably fresh vegetables

Explanation:

cause it consumes off the ground

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Radiation is a measure of average kinetic energy of particles in an object true or false

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Answer:false

Explanation:

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3 years ago

How many single covalent bonds can halogens form?

Simora [160]

One single covalent bond, hope this helps!

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3 years ago

The solubility of o2 at 20c is 1.38 x10^-3. the partial presure of o2 in the air at sea level is 0.27 atm. using henery;s law, c

netineya [11]

<u>Answer:</u> The solubility of oxygen at 682 torr is $4.58\times 10^{-3}M$

<u>Explanation:</u>

To calculate the molar solubility, we use the equation given by Henry's law, which is:

$C_{A}=K_H\times p_{A}$

Or,

$\frac{C_{1}}{C_{2}}=\frac{p_{1}}{p_2}$

where,

$C_1\text{ and }p_1$ are the initial concentration and partial pressure of oxygen gas

$C_2\text{ and }p_2$ are the final concentration and partial pressure of oxygen gas

We are given:

Conversion factor used: 1 atm = 760 torr

$C_1=1.38\times 10^{-3}M\\p_1=0.27atm\\C_2=?\\p_2=682torr=0.897atm$

Putting values in above equation, we get:

$\frac{1.38\times 10^{-3}}{C_2}=\frac{0.27atm}{0.897atm}\\\\C_2=\frac{1.38\times 10^{-3}\times 0.897atm}{0.27atm}=4.58\times 10^{-3}M$

Hence, the solubility of oxygen gas at 628 torr is $4.58\times 10^{-3}M$

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2 years ago

Helppppppppppppppppppppppppp

bezimeni [28]

The awnser would be c i got you fam

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3 years ago

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Rus_ich [418]

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3 years ago

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