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Viefleur [7K]
3 years ago
13

Describe what you would do if a glass beaker drops and breaks. List the appropriate steps in order.

Chemistry
2 answers:
MA_775_DIABLO [31]3 years ago
8 0
1. Leave everything alone and don't touch the glass .
2. Tell a Teacher .
3. And that's it .
GrogVix [38]3 years ago
6 0

Answer:

  • Wear gloves that will protect your hands from cuts
  • Use a broom and dustpan to collect the broken beaker
  • Dispose it in the disposable container allocated for broken/sharp objects
  • Alert the lab instructor about the incident.

Explanation:

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Pleasee help me I really need an answer help
Juliette [100K]

Answer:

This is hard for me also but I am trying to find out answer

Explanation:

Please mark me as brainlist.

6 0
3 years ago
Identify the Lewis acid and Lewis base in each reaction:Na⁺ + 6H₂O ⇆ Na (H₂O)⁺₆
klemol [59]

In the reaction, Na⁺ + 6H₂O ⇆ Na (H₂O)⁺₆, Na⁺ is a Lewis acid and H₂O is a Lewis base.

<h3>What is a Lewis acid-base reaction?</h3>
  • According to the Lewis theory of acid-base reactions, acids accept pairs of electrons and bases donate pairs of electrons.
  • Any substance like H+ ion, which is capable of accepting a pair of nonbonding electrons or an electron-pair acceptor is known as a Lewis acid.
  • Any substance, like the OH- ion, that is capable of donating a pair of nonbonding electrons or an electron-pair donor is a Lewis base.
  • Here Na⁺ that is electron deficient accepts electrons from the electron donor, H₂O
  • From the Lewis theory, with no change in the oxidation numbers of any atoms, acids react with bases to share a pair of electrons.

To learn more about Lewis acid-base reactions: brainly.com/question/14861040  

#SPJ4                                                                                              

4 0
2 years ago
If 190dm of hydrogen gas collected at 20°c and 760mmHg .Calculate it's volume at stp (standard pressure=760mmHg
Andrei [34K]

Answer:

177.1 L

Explanation:

The excersise can be solved, by the Ideal Gases Law.

P . V = n . R . T

In first step we need to determine the moles of gas:

We convert T° from, C° to K → 20°C + 273 = 293K

We convert P from mmHg to atm → 760 mmHg = 1atm

1Dm³ = 1L → 190L

We replace: 190 L . 1 atm = n . 0.082 . 293K

(190L.atm) / 0.082 . 293K = 7.91 moles.

We replace equation at STP conditions (1 atm and 273K)

V = (n . R .T) / P

V = (7.91 mol . 0.082 . 273K) / 1atm = 177.1 L

We can also make a rule of three:

At STP conditions 1 mol of gas occupies 22.4L

Then, 7.91 moles will be contained at (7.91 . 22.4) /1 = 177.1L

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3 years ago
Given 1.00 grams of each of the following radioisotopes, Ca-37, U-238, P-32 and Rn-222,which would have the least remaining orig
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1) Ca-37, with a half-life of 181.1(10) ms.
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Which statement below references interactions between the geosphere, the hydrosphere and the biosphere?
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