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denis23 [38]
3 years ago
12

Dominic made the table below to organize his notes about mixtures. A 1-column table. The first column labeled properties of mixt

ures. Row 1 says: has no set composition. Row 2 is must have more than one state of matter. Row 3 is must have more than one substance. What mistake did Dominic make? A. The title should read “Properties of Solutions” because some mixtures do not have all of the properties listed. B. There is a definite recipe to make each mixture, so the composition of a mixture is set. C. Although it is possible to have more than one state, it is also possible to have only one state. D. A single substance can be used to make a mixture if the substance is composed of more than one element.
Chemistry
2 answers:
leva [86]3 years ago
8 0
Ahhh,it’s honestly hard hope someone helps outt thooo!
slamgirl [31]3 years ago
7 0

Answer:

If you want someone to answer this, make it worth more points.

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The ___ is the short form that chemists use to identify an element
bonufazy [111]

Answer:

Chemical Symbols

Explanation:

Im not positive on this one so dont rely on me lol

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3 years ago
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x=swimming

The answer is X*13.16

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4 years ago
A 34.53 ml sample of a solution of sulfuric acid, h2s04, reacts with 27.86 ml of 0.08964 m naoh solution. calculate the molarity
Gnoma [55]
The balanced equation between NaOH and H₂SO₄ is as follows
2NaOH + H₂SO₄ ---> Na₂SO₄ + 2H₂O
stoichiometry of NaOH to H₂SO₄ is 2:1
number of moles of NaOH moles reacted = molarity of NaOH x volume
number of NaOH moles = 0.08964 mol/L x 27.86 x 10⁻³ L = 2.497 x 10⁻³ mol
according to molar ratio of 2:1
2 mol of NaOH reacts with 1 mol of H₂SO₄
therefore 2.497 x 10⁻³ mol of NaOH reacts with - 1/2 x 2.497 x 10⁻³ mol of H₂SO₄
number of moles of H₂SO₄ reacted - 1.249 x 10⁻³ mol 
Number of H₂SO₄ moles in 34.53 mL - 1.249 x 10⁻³ mol 
number of H₂SO₄ moles in 1000 mL - 1.249 x 10⁻³ mol / 34.53 x 10⁻³ L = 0.03617 mol 
molarity of H₂SO₄ is 0.03617 M
6 0
3 years ago
Which of the following best describes chicken noodle soup?
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Chicken noodle soup would be considered a mixture.
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4 years ago
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Zinaida [17]

Explanation:

Expression for the kinetic energy is as follows.

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Now, total kinetic energy will be as follows.

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Since, this energy converts into electromagnetic radiation of wavelength 121.6 nm.

Relation between energy and photon is as follows.

   Energy of photon = \frac{hc}{\lambda}

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    m \times v^{2} = 1.63 \times 10^{-18}

          v = \sqrt{\frac{1.63 \times 10^{-18}}{1.67 \times 10^{-27}}

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Thus, we can conclude that atoms were moving at a speed of 3.12 \times 10^{4} m/s before the collision.

8 0
4 years ago
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