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eduard
2 years ago
9

Which is the best reason for choosing the beaker for heating the solution? the beaker is the only container that can withstand h

igh temperatures. the beaker's wide mouth allows the thermometer to rest against the side. the beaker will not tip over when placed on the hot plate. the beaker is unbreakable.
Chemistry
1 answer:
Maksim231197 [3]2 years ago
6 0

The selection of the beaker for heating the solution:

The best reason for choosing the beaker for heating the solution is "The beaker will not tip over when placed on the hot plate".

What is a Beaker?:

  • A glass container with a flat bottom and a tiny pouring mouth is known as a beaker. It is employed in the chemistry lab to stir, heat, and mix liquids.
  • Beakers can be heated on a hot plate directly. Because of their flat bottoms, these containers will uniformly distribute heat when the mixture is shaken. It is best to heat indirectly any other container without a flat surface.
  • Borosilicate glass, which is frequently used to make glass beakers, has boron trioxide, which gives it the ability to withstand sharp temperature changes. It can endure temperatures of up to 400°C.  

   

Learn more about beakers here:

brainly.com/question/11353925

#SPJ4

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Please Help! Thank You
Ivanshal [37]

Explanation:

the answer is true because I had this question and got it right

3 0
3 years ago
Some SO2 and O2 are mixed together in a flask at 1100 K in such a way ,that at the instant of mixing, their partial pressures ar
kakasveta [241]

Answer:

The answer is "\bold{0.525\ \ atm^{-1}}"

Explanation:

Given equation:

2SO_2(g) + O_2(g) \leftrightharpoons 2SO_3(g)

Given value:

\Delta rH =-198.2 \ \ \frac{KJ}{mol}

Kp=1100 \ K

\Delta x = 2-(2+1)\\\\

     = 2-(2+1)\\\\= 2-(3)\\\\= -1

\left\begin{array}{cccc}I\ (atm)&1&0.5&0\\C\ (atm)&2x&-x&2x\\E\ (atm)     &1-2x&0.5-x&2x\end{array}\right

calculating the total pressure on equilibrium=  (1-2x)+(0.5-x)+2x \ atm\\\\

                                                                         = 1-2x+0.5-x+2x\\\\= 1+0.5-x\\\\=1.5-x\\

\therefore \\\\\to 1.50-x= 1.35 \\\\\to 1.50-1.35= x\\\\\to 0.15= x\\\\ \to  x= 0.15\\\\

calculating the pressure in  So_2:

= (1-2 \times 0.15)

= 1-0.30 \\\\ =0.70 \ atm

calculating the pressure in  O_2:

= (0.5- 0.15)\\\\= 0.35 \ atm \\

calculating the pressure in  So_3:

= (2 \times 0.15)\\\\= (.30) \ atm \\\\

Calculating the Kp at 1100 K:

= \frac{(Pressure(So_3))^2}{(Pressure(So_2))^2 \times Pressure(O_2)}\\\\= \frac{0.30^2}{0.70^2 \times 0.35}\\\\= \frac{0.30 \times 0.30 }{0.70\times 0.70 \times 0.35}\\\\= \frac{0.09 }{0.49\times 0.35} \\\\= \frac{0.09 }{0.1715} \\\\=  0.5247 \ \  or \ \  0.525 \ \ atm^{-1}  \\\\

4 0
4 years ago
Which of the following is not a method of preserving metal?
olga55 [171]

Answer:

I believe the answer is a

Explanation:

Painting does not save the chemical structure for preserving metals.

If this helped can i please have brainliest?

6 0
4 years ago
What is a uranium atom?
Goshia [24]
Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons.
6 0
3 years ago
Read 2 more answers
6) Explain in your own words what the "danger zone" is and why it is important to safe food preparation.
ArbitrLikvidat [17]

Explanation:

The danger zone is= that people within the danger zone cannot freely enter and exit this region. school activities are closed, economic activities are stopped, worship activities are also closed.

why it is important to safe food preparation= stocking food when the danger zone is important. because in the danger zone, people are limited to activities outside the home.

7 0
4 years ago
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