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3 years ago

The movement of charged particles cannot pass through an electrolyte to produce an electric current.

Chemistry

1 answer:

Rus_ich [418]3 years ago

5 0

The movement of charged particles cannot pass through an electrolyte to produce an electric current.

True

False

FALSE

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1What is ""Fremy's salt""? Write the molecular formula of Fremy's salt. Write the structure of the product obtained from phenol.

EastWind [94]

Answer and Explanation:

The Fremy salt is a chemical compound its chemical name is disodium nitrosodisuphonate

The molecular formula of the Fremy salt is $K_2NO(SO_3)_2$

When phenol is treated with Fremy salt in presence of water then benzoquinone is formed

$C_2H_5OH\rightarrow C_6H_4O_2$ ( in presence of Fremy salt and water)

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2 years ago

Two objects are brought into contact Object 1 has mass 0.76 kg, specific heat capacity 0.87) g'c and initial temperature 52.2 'C

taurus [48]

Answer:

$T_F=77.4\°C$

Explanation:

Hello there!

In this case, according to the given information, it turns out possible to set up the following energy equation for both objects 1 and 2:

$Q_1=-Q_2$

In terms of mass, specific heat and temperature change is:

$m_1C_1(T_F-T_1)=-m_2C_2(T_F-T_2)$

Now, solve for the final temperature, as follows:

$T_F=\frac{m_1C_1T_1+m_2C_2T_2}{m_1C_1+m_2C_2}$

Then, plug in the masses, specific heat and temperatures to obtain:

$T_F=\frac{760g*0.87\frac{J}{g\°C} *52.2\°C+70.7g*3.071\frac{J}{g\°C}*154\°C}{760g*0.87\frac{J}{g\°C} +70.7g*3.071\frac{J}{g\°C}} \\\\T_F=77.4\°C$

Yet, the values do not seem to have been given correctly in the problem, so it'll be convenient for you to recheck them.

Regards!

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3 years ago

Cell and chromosome characteristics?

rusak2 [61]

Answer:

hope the inserted image will help :)

Explanation:

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3 years ago

Read 2 more answers

How many moles are there in 7.5 L Of H2

True [87]

So multiply number of moles x number of atoms/mole = 1.8066 x 10^24 atoms of H2. One mole of any gas at STP has a volume of 22.4 L. So first determine the number of moles of gas you have.
for example do 7
$7.5 \div 22.4$
that 's what I think

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2 years ago

Of the following choices, pick all that are uses for radiation. Check all that

Novosadov [1.4K]

A B C these are the answers hopes this help <3

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2 years ago