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Aleks04 [339]
3 years ago
11

A chlorine concentrations of 0.500 ppm is desired for water purification. What mass of chlorine must be added to 2500 L of water

to achieve this level?
Chemistry
1 answer:
Readme [11.4K]3 years ago
5 0

Answer:

50g

Explanation:

pls mark me brainliest right

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Name the change of state when a liquid becomes a gas
kaheart [24]

Answer: Evaporation

Explanation: the process of turning from liquid into vapor

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At 95°C, the pressure of a sample of chlorine is 1.15atm. What will the pressure be at 105°C, assuming constant volume?
Jobisdone [24]

Answer:

95+273=368k

105+273=378k

(1 .15/368)×378

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4 0
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Find the cell potential for a system whose ∆G = +55 kJ and 3 moles of electrons are exchanged.
rosijanka [135]

Answer:- cell potential = -0.19 volts

Solution:- The equation that shows the connection between \Delta G and cell potential, E is written  as:

\Delta G=-nFE

in this equation, n stands for moles of electrons, E stands for cell potential and F stands for faraday constant and it's value is \frac{96485C}{mol} .

It asks to calculate the value of E, so let's rearrange the equation:

E=-\frac{\Delta G}{nF}

Let's plug in the values in it:

E=-\frac{55kJ}{3mol*96485C.mol^-}

E=-\frac{0.00019kJ}{C}

since, \frac{1kJ}{C}=1000V

Where C stands for coulombs and V stands for volts.

So, E=-\frac{0.00019kJ}{C}(\frac{1000V}{\frac{1kJ}{C}})

E = -0.19 V

So, the cell potential is -0.19 volts.


4 0
3 years ago
Which of the following is the weakest? A. hydrogen bond B. polar covalent bond C. dipole interaction D. ionic bond
aniked [119]

the real answer is c, i just took the test

6 0
4 years ago
Read 2 more answers
Determine the number of neutrons in an atom U-233.
alexdok [17]
We Know, Atomic number of Uranium = 92
Molar mass in given species = 233

Now, Molar mass = Number of Protons + Number of Neutrons
233 = 92 + x
x = 233 - 92
x = 141

So, your final answer is 141

Hope this helps!
5 0
3 years ago
Read 2 more answers
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