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nataly862011 [7]
1 year ago
15

What is the difference between physics and chemistry laboratory (4)

Chemistry
2 answers:
ki77a [65]1 year ago
8 0

Answer:A fundamental difference is that physics is more focused to finding the universal laws of general processes, whereas chemistry focuses more on details and specific phenomena, such as what is the boiling point of this substance and why.

Explanation: hope it help

iris [78.8K]1 year ago
6 0
There is a lot more physics in a chem lab than there is in a physics lab. Physical properties are also looked at in chem lab experiments, but they aren't the only things that are looked at. To give you an example, it has a melting point and boiling point. It also has a denseness, color, odor, and transparency The electron, a particle that is so important to the study of chemistry, is a physical thing. Its mass, charge, and energy are all physical things. Voltmeters, ammeters, magnetic spinners, mass-spectroscopes, Geiger counters, and cloud chambers are just some of the physics instruments that are important in a chemistry lab. The list is long. In any chemistry lab, there is a centrifuge. It's a great tool that uses four physics principles to do its job. Pipettes and burettes are high-quality instruments that were made with thermal expansion constants in mind. This word is often used to talk about the barometer: There aren't any barometers in this lab, but do you think it can still be good?

It's now time to write down all of the chemistry principles that are found in the tools, properties, and applications of a physics lab. I'll start it for you now.

In order to build voltaic cells, you need iron filings and electrolytes.
Radioactive decay, alpha, beta, and gamma emission, and atomic transformation all happen.
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4.2g of sodium bicarbonate is equivalent to how many moles of sodium bicarbonate
Mnenie [13.5K]
<span>The mass of one mole of sodium bicarbonate (aka NaHCO3) is equal to 1 * 22.99g/mol + 1 * 1.00g/mol + 1 * 12.01g/mol + 3 * 16.00g/mol = 83.91g/mol. From this, we can convert 4.2g of NaHCO3 to moles by dividing by 83.91g/mol, to get 0.050 moles of sodium bicarbonate.</span>
7 0
3 years ago
Read 2 more answers
Why is water able to stick to the side of the glass?
Ira Lisetskai [31]
The answer is surface tension 
8 0
2 years ago
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What is the ph of a solution of 1.699 l of 1.25 m hcn, ka = 6.2 x 10-10, and 1.37 moles of nacn?
BlackZzzverrR [31]

The pH of a solution is 9.02.

c(HCN) = 1.25 M; concentration of the cyanide acid

n(NaCN) = 1.37 mol; amount of the salt

V = 1.699 l; volume of the solution

c(NaCN) = 1.37 mol ÷ 1.699 l

c(NaCN) = 0.806 M; concentration of the salt

Ka = 6.2 × 10⁻¹⁰; acid constant

pKa = -logKa

pKa = - log (6.2 × 10⁻¹⁰)

pKa = 9.21

Henderson–Hasselbalch equation for the buffer solution:

pH = pKa + log(cs/ck)

pH = pKa + log(cs/ck)

pH = 9.21 + log (0.806M/1.25M)

pH = 9.21 - 0.19

pH = 9.02; potential of hydrogen

More about buffer: brainly.com/question/4177791

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8 0
8 months ago
Write the net ionic equation for the reaction of aqueous solutions of ammonium chloride and iron(III) hydroxide.
vagabundo [1.1K]

Answer:

Fe(OH)_3(s)\rightarrow Fe^{3+}(aq)+3OH^-(aq)

Explanation:

Hello.

In this case, for the reaction between aqueous solutions of ammonium chloride and iron (III) hydroxide, we have the following complete molecular reaction:

3NH_4Cl(aq)+Fe(OH)_3(s)\rightarrow 3NH_4OH+FeCl_3

And the full ionic equation, taking into account that the iron (III) hydroxide cannot be dissolved as it is insoluble in water:

3NH_4^+(aq)+3Cl^-(aq)+Fe(OH)_3(s)\rightarrow 3NH_4^+(aq)+3OH^-(aq)+Fe^{3+}(aq)+3Cl^-(aq)

Finally, the net ionic equation, considering that spectator ions are NH₄⁺, Cl⁻ as they are both the left and right side, therefore, the net ionic equation is:

Fe(OH)_3(s)\rightarrow Fe^{3+}(aq)+3OH^-(aq)

Best regards.

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2 years ago
Help me please I need to pass this test
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Answer:

It could be B or C eighter one

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3 years ago
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