2 years ago

A neutral atom has 1 valence electron and its atomic mass is 39. How many

Chemistry

1 answer:

uranmaximum [27]2 years ago

5 0

Answer: I think probaly wrong so probaly dont

listen to me

Explanation:

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A 250ml glass of orange juice contains 22 grams of sugar. how much sugar is in a 2 liter (2.500ml) bottle of orange juice?

Maslowich

220 grams of sugar would be in 2 liters of orange juice

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2 years ago

In the activity, click on the E∘cell and Keq quantities to observe how they are related. Use this relation to calculate Keq for

inessss [21]

Answer:

The standard cell potential of the reaction is 0.78 Volts.

Explanation:

$Cu^{2+}(aq)+Fe(s)\rightarrow Cu(s)+Fe^{2+}(aq)$

Reduction at cathode :

$Cu^+(aq)+2e^-\rightarrow Cu(s)$

Reduction potential of $Cu^{2+}$ to Cu= $E^o_{1}=0.34 V$

Oxidation at anode:

$Fe(s)\rightarrow Fe^{2+}(aq)+2e^-$

Reduction potential of $Fe^{2+}$ to Fe= $E^o_{2}=-0.44 V$

To calculate the $E^o_{cell}$ of the reaction, we use the equation:

$E^o_{cell}=E^o_{red,cathode}-E^o_{red,anode}$

Putting values in above equation, we get:

$E^o_{cell}=0.34V -(-0.44 V)=0.78 V$

The standard cell potential of the reaction is 0.78 Volts.

3 0

2 years ago

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nasty-shy [4]

Answer: no for both

Explanation:

just did it

8 0

1 year ago

pure substance x is a green powder. when heated, it gives off a gas and changes to a black powder. is substance x an element or

gogolik [260]

I'd say it is an element. It is not a compound, it doesn't do things on its own like us. It's an element like fire and water.

7 0

2 years ago

50 points for this

GalinKa [24]

The inner core us the densest

6 0

2 years ago

Read 2 more answers