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Leya [2.2K]
3 years ago
7

You are conducting an

Chemistry
2 answers:
aksik [14]3 years ago
7 0

Answer:

A. Pascals

Hope it helps you

olasank [31]3 years ago
4 0

Answer:

A. Pascals

Explanation:

A unit Pascal is an SI unit used for internal pressure.

Centimeters cubed is volume.

Liters is measurement.

Kelvin is temperature.

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Which of the following is false about a spontaneous chemical reaction that generates electricity:a. Oxidation and reduction half
Vedmedyk [2.9K]

Answer: e. All voltaic (galvanic) cells involve the use of electricity to initiate nonspontaneous chemical reactions.

Explanation:

Electrochemical cell or galvanic cell or voltaic cell is a cell which converts chemical energy to electrical energy.

There are two electrodes in an electrochemical cell , where one is called as anode and one is called as cathode.

At cathode reduction takes place and at anode oxidation takes place.Thus the electrons generated at anode travel towards cathode and flow of electrons lead to generation of electricity.

Thus chemical reactions lead to generation of electricity.

Thus the statement that all voltaic cells involve the use of electricity to initiate nonspontaneous chemical reactions is false.

6 0
3 years ago
How much kilometers is in 6000m
lord [1]

Answer:

about 3 miles i think

Explanation:

3 0
3 years ago
Read 2 more answers
Does adding salt to water lower its freezing point science project
ser-zykov [4K]
Yes, it does. The freezing point of the salt solution is lower than the freezing point of pure water since there will be more particles, which are water molecules plus salt molecules, present in the salt solution. The salt molecules will slow down the amount of crystals formed resulting to a lower freezing point.                                              
8 0
4 years ago
Give the value of the quantum number ℓ, if one exists, for a hydrogen atom whose orbital angular momentum has a magnitude of 6√(
MakcuM [25]

Answer:

For this angular momentum, no quantum number exist

Explanation:

From the question we are told that

   The magnitude of the angular momentum is  L  = 6\sqrt{\frac{h}{2 \pi} }

The generally formula for Orbital angular momentum is mathematically represented as

           L  = \sqrt{(l * (l + 1)) } *  \frac{h}{2 \pi}

Where l is the quantum number

now  

We can look at the given angular momentum in this form as

      L  = 6\sqrt{\frac{h}{2 \pi} }    =  \sqrt{36}  * \sqrt{\frac{h}{2 \pi}} }

comparing this equation to the generally equation for Orbital angular momentum

     We see that there is no quantum number that would satisfy this equation

5 0
4 years ago
If a particular ore contains 55.4 % calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosp
gizmo_the_mogwai [7]
 The ore contains 55.4% calcium phosphate (related to the mineral apatite) so the amount of Ca3(PO4)2 is 55.4%x=1000g so x=1000/0.554= 1.805kg. Now for the % of P in this amount of calcium phosphate, use all the masses of the elements in Ca3PO4= Ca=40.078 x 3= 120.23 and (PO4)2= (30.974+64)2=189.95  (NB oxygen is 16 mass x 4 =64) so the total mass is 310.2 and we have 61.95 of P (Pmass x 2) so 61.95/3102.= 0.19 or 19% P. So of the 1.805 x 0.19= 0.34kg of phosphorus.
8 0
4 years ago
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