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Licemer1 [7]
3 years ago
5

32 Points!!! Match the definition with correct keyword.

Chemistry
1 answer:
Temka [501]3 years ago
5 0

Answer: Okay so here's the order lol from top to bottom

2, 1, 3, 4, 5

Explanation:

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Suppose you have a container filled with iron and sand. You can separate the iron from the sand if you ____________ so this is a
umka21 [38]
...if you use magnetso this is a mixture

p/s: or this is physical process
sorry if I'm wrong
4 0
4 years ago
In the Cannizzaro reaction of benzaldehyde ( aka solventless disproportionation of benzaldehyde in the presences of a strong bas
choli [55]

Answer:

Reaction products are shown below

Explanation:

  • In cannizaro reaction, benzaldehyde produces benzoic acid and benzyl alcohol through disproportion.
  • Here, a hydroxyl group first gives a nucleophilc addition at carbonyl center of benzaldehyde.
  • Then a hydride transfer takes place to another molecule of benzaldehyde
  • Thus, benzoic acid and benzyl alcohol are produced.
  • Full reaction mechanism has been shown below

8 0
4 years ago
The nonprescription pain relievers Advil and Nuprin contain ibuprofen (C13H18O2), whose molecular mass is 206.3 amu. If all tabl
brilliants [131]

Answer:

16.92 g C13H18O2

Explanation:

If the molecular mass of C13H18O2 is 206.3 amu, then molar mass of C13H18O2 is 206. 3 g/mol.

So, if we have 0.082 mol C13H18O2, than it is

206.3 g/mol*0.082 mol = 16.92 g C13H18O2.

6 0
4 years ago
Calculate the mass in grams of each of the following using dimensional analysis:
Mashutka [201]

The mass in grams of each of the following using dimensional analysis is:

  • 6.02 x 10²³ atoms of Mg = 12g of Mg
  • 3.01 x 10²³ formula units of CaCl2 = 55.5g of CaCl2
  • 12.4 x 10¹⁵ molecules of formaldehyde (CH2O) = 0.000000618g of formaldehyde

<h3>How to calculate mass?</h3>

The mass of a substance can be calculated in different ways depending on whether molecules or moles are given.

First, we need to convert atoms/formula units/molecules to moles as follows:

  • 6.02 × 10²³ ÷ 6.02 × 10²³ = 1 mole of Mg
  • 3.01 x 10²³ ÷ 6.02 × 10²³ = 0.5 moles of CaCl2
  • 12.4 x 10¹⁵ ÷ 6.02 × 10²³ = 2.06 × 10-⁸ moles of formaldehyde

Next, we convert each mole value to mass as follows:

  • 1 mole of Mg = 1 × 12 = 12g of Mg
  • 0.5 moles of CaCl2 = 0.5 × 111 = 55.5g of CaCl2
  • 2.06 × 10-⁸ moles of CH2O = 0.000000618g of formaldehyde

Learn more about mass at: brainly.com/question/19694949

#SPJ1

3 0
2 years ago
The formation of a plaque and halitosis can be avoided by brushing and flossing at least :
Jet001 [13]

Answer:

at least 3 times a day

Explanation:

7 0
3 years ago
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