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KATRIN_1 [288]
3 years ago
11

PLEASE HELP ASAP IM BEING TIMED! WILL GIVE YOU 50 POINTS!! What were the long term impacts of the development of Boyle's Law? Th

e discovery of oxygen? The law of conservation?
Chemistry
1 answer:
pav-90 [236]3 years ago
8 0

The answer to the question is the discovery of oxygen

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A type of erosion that occurs when large chunks of land or rock break away due to gravity.
lapo4ka [179]

The answer is A, mass wasting.

8 0
3 years ago
Read 2 more answers
1.) A balloon contains 0.126 mol of gas and has a volume of 2.74 L .
Ann [662]

Answer:

<u></u>

  • <u>Problem 1: 5.44L</u>
  • <u>Problem 2: 479mL</u>

Explanation:

<h2>Problem 1. </h2>

<u>a) Data:</u>

  • n₁ = 0.126 mol
  • V₁ = 2.74 L
  • n₂ = 0.126mol + 0.124mol
  • V₂ = ?
  • Conditions: constant temperature and pressure

<u>b) Physical principles:</u>

The volume occupied by a gas, when the temperature and pressure remain unchanged, is proportional to the number of moles of gas.

          \dfrac{n_1}{V_1}=\dfrac{n_2}{V_2}

<u>c) Solution:</u>

Solve for V₂ , substitute and compute:

        V_2=n_2\times\dfrac{V_1}{n_1}\\ \\\\  V_2=(0.126mol+0.124 mol)\times \dfrac{2.74L}{0.126mol}\\ \\ \\ V_2=5.44L

<h2>Problem 2.</h2>

<u>a) Data:</u>

  • n₁ = 0.547mol
  • V₁ = 295 mL
  • V₂ = ?
  • n₂ = 0.547mol + 0.342 mol
  • Conditions: constant temperature and pressure

<u>b) Physical principles:</u>

The same as above: the volume occupied by a gas, when the temperature and pressure remain unchanged, is proportional to the number of moles of gas.

          \dfrac{n_1}{V_1}=\dfrac{n_2}{V_2}

<u>c) Solution:</u>

Solve for V₂ , substitute and compute:

        V_2=n_2\times\dfrac{V_1}{n_1}\\ \\\\  V_2=(0.547mol+0.342 mol)\times \dfrac{295mL}{0.547mol}\\ \\ \\ V_2=479mL

4 0
3 years ago
Write the full Nernst Equation (i.e. not just at 298K) and define each term:
alex41 [277]

Answer :

The Nernst equation :

E_{cell}=E^o_{cell}-\frac{2.303RT}{nF}\log \frac{[Anode]}{[Cathode]}

where,

E^0 = standard cell potential

n = number of electrons in oxidation-reduction reaction

F = Faraday constant = 96500 C

R= gas constant = 8.314 J/Kmol

T = temperature

[Anode] = anodic ion concentration

[Cathode] = cathodic ion concentration

5 0
4 years ago
Put the following elements into five pairs of elements that have similar chemical reactivity: F, Sr, P, Ca, O, Br, Rb, Sb, Li, S
kirill115 [55]

Explanation:

Given elements:

  F, Sr, P, Ca, O, Br, Rb, Sb, Li, S

Elements with the same chemical reactivity will belong to the same group on the periodic table. This implies that elements in the same column will have the same reactivity;

  Li and Rb are both alkali metals in group 1

  Ca and Sr are both alkali earth metals in group 2

  F and Br are halogens in group 7

  O and S are group 6 elements

 P and Sb are both in group 5 on the periodic table

So these groupings show elements with the same chemical properties.

7 0
3 years ago
Which of the following is an example of a homogeneous mixture?
elena-s [515]

A. Apple juice is an example of a homogeneous mixture.

7 0
3 years ago
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