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4 years ago

Which of the following is not a function?

Chemistry

1 answer:

EastWind [94]3 years ago

8 0

Answer:

A student's name paired with the sport that they play.

Explanation:

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What’s the balance of this

lukranit [14]

It's the balance of chemical equation.

5 0

3 years ago

How many Fe atoms are within a single FeCl2 molecule

Rama09 [41]

The number of Fe atoms within a single FeCl2 molecule are one.

Explanation:

Metallic iron produces only ferrous chloride (FeCl2) on treatment with hydrochloric acid. Hydrogen gas is also liberated as the other product. But when iron is heated with chlorine gas, ferric chloride (FeCl3) is formed.

Total number of atoms within a single FeCl2 molecule are 3 atoms.

The number of Fe atoms in FeCl2 molecule are one.

Number of Cl atoms in FeCl2 molecule are two.

6 0

4 years ago

is trying to plate gold onto his silver ring. He constructs an electrolytic cell using his ring as one of the electrodes. He run

notka56 [123]

Answer:

0.013 mole.

Explanation:

From the question given above, the following data were obtained:

Time (t) = 94.6 mins

Current (I) = 224.8 mA.

Mole of electrons (e) =?

Next, we shall convert 94.6 mins to seconds. This is illustrated below:

1 min = 60 s

Therefore,

94.6 mins = 94.6 min × 60 s / 1 min

94.6 mins = 5676 s

Thus, 94.6 mins is equivalent to 5676 s.

Next, we shall convert 224.8 mA to ampere (A). This can be obtained as follow:

1 mA = 1×10¯³ A

Therefore,

224.8 mA = 224.8 mA × 1×10¯³ A / 1 mA

224.8 mA = 0.2248 A

Thus, 224.8 mA is equivalent to 0.2248 A.

Next, we shall determine the quantity of electricity flowing in circuit. This can be obtained as follow:

Time (t) = 5676 s

Current (I) = 0.2248 A

Quantity of electricity (Q) =?

Q = it

Q = 0.2248 × 5676

Q = 1275.96 C

Finally, we shall determine the mole of electron by converting the quantity of electricity (i.e 1275.96 C) to number of electrons. This can be obtained as follow:

96500 C = 1 e

Therefore,

1275.96 C = 1275.96 C × 1 e / 96500 C

96500 C = 0.013 e

Thus, the mole of electron trasfered in the process is 0.013 mole.

3 0

3 years ago

A chemist needs 1.25 moles of sugar to dissolve in 1 liter of water how many grams of sugar needed

sdas [7]

Answer:

The mass of sugar used is 427.5 grams.

Explanation: