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DaniilM [7]
3 years ago
15

What role does the wire play in voltaic cell

Chemistry
1 answer:
VashaNatasha [74]3 years ago
8 0
It allows electrons to flow from the anode to the cathode.
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Naturally occurring copper has two isotopes, 63cu and 65cu. what is different between atoms of these two isotopes?
GaryK [48]
The differences are <u>the number of neutrons</u> and the <u>atomic mass</u><u /><u />.

Copper-63 has an atomic mass of 63 amu, and has 34 neutrons.
Copper-65 has an atomic mass of 65 amu, and has 36 neutrons.
5 0
3 years ago
Ammonia reacts with sulfuric acid to produce the important fertilizer, ammonium hydrogen sulfate.
Liula [17]

Answer:

404.8g of (NH4)HSO4 is produced.

Explanation:

Step 1:

Data obtained from the question. This include the following:

Temperature (T) = 10°C = 10°C + 273 = 283K

Pressure (P) = 110KPa = 110/101.325 = 1.09atm

Volume (V) = 75L

Step 2:

Determination of the number of mole of ammonia, NH3.

The number of mole (n) of ammonia, NH3 can be obtained by using the ideal gas equation. This is illustrated below:

Note:

Gas constant (R) = 0.0821atm.L/Kmol

Number of mole (n) =?

PV = nRT

1.09 x 75 = n x 0.0821 x 283

Divide both side by 0.0821 x 283

n = (1.09 x 75) /(0.0821 x 283)

n = 3.52 moles

Step 3:

Determination of the number of mole ammonium hydrogen sulfate produced from the reaction.

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

NH3 + H2SO4 —> (NH4)HSO4

From the balanced equation above,

1 mole of NH3 produced 1 mole of (NH4)HSO4

Therefore, 3.52 moles of NH3 will also produce 3.52 moles of (NH4)HSO4.

Therefore, 3.52 moles of ammonium hydrogen sulfate, (NH4)HSO4 is produced.

Step 4:

Conversion of 3.52 moles of ammonium hydrogen sulfate, (NH4)HSO4 to grams. This is illustrated below:

Molar Mass of (NH4)HSO4 = 14 + (4x1) + 1 + 32 + (16x4) = 115g/mol

Number of mole of (NH4)HSO4 = 3.52 moles

Mass of (NH4)HSO4 =..?

Mass = mole x molar Mass

Mass of (NH4)HSO4 = 3.52 x 115 = 404.8g

Therefore, 404.8g of (NH4)HSO4 is produced.

5 0
3 years ago
Convert 411 kg to g.
cupoosta [38]

Answer:411,000 Grams

Explanation: 411 x 100=411,000

8 0
4 years ago
What is 24.30505026 simplifyed?​
Svetradugi [14.3K]

Answer:

Explanation:

24 3050503/10000000

5 0
3 years ago
Describe what constitutes Dalton's model of an atom
Tamiku [17]
The Constitution has seven parts to it it has amendments articles the Bill of Rights in the Declaration of Independence every Genia company of Charter
8 0
3 years ago
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