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DedPeter [7]
3 years ago
6

Exercise 4: Gas under 200 kPa of pressure at a temperature of 120 K fills a 0.5 L container. If the temperature decreases to 80

K but the pressure stays the same, what volume will the gas have? Please show works no answer thankies!

Chemistry
1 answer:
nordsb [41]3 years ago
6 0

Answer:

Briggs is planning to make abatch of home made play dough for an art projections

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Write the balanced half-reaction equation for when H 2 O 2 ( aq ) acts as an oxidizing agent in an acidic solution. Phases are o
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Explanation:

An oxidizing agent is a reactant that removes electrons from other reactants during a redox reaction. The oxidizing agent typically takes these electrons for itself, thus gaining electrons and being reduced. An oxidizing agent is thus an electron acceptor.

Examples of Oxidizing Agents include the following; Hydrogen peroxide, ozone, oxygen.

A half-equation shows you what happens at one of the electrodes during electrolysis . Electrons are shown as e -. A half-equation is balanced by adding, or taking away, a number of electrons equal to the total number of charges on the ions in the equation.

The balanced half reaction equation for H2O2 as an oxidizing agent is given as;

H2O2 + 2e^- + 2H^+ ==> 2H2O

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4 years ago
What are some of the global effects of a volcanic eruption?​
EleoNora [17]

Answer:

<h2>People loose their homes</h2>

Explanation:

<em><u>Because of the lava that exploded, it may touch a house which may burn the house</u></em>

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3 years ago
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A sample of a solid nonmetal is compared to a sample of a solid metal. Both samples have the same volume. What is the
EleoNora [17]

Answer:

STRUCTURE:

  • Metals have a crystalline structure, whereas non-metals possess amorphic structure.
  • At room temperature, metals are usually solid, except mercury and gallium which are in the liquid state. Conversely, non-metals can be found in solid or gaseous form, except Bromine which is the only non-metal that is present in liquid form.
  • Density is the ratio of mass to volume; metals have a higher density as compared to non-metals.
  • Metals look smooth and shiny, while non-metals usually appear dull.
  • When it comes to hardness, metals are generally hard substance, but it varies from substance to substance. Unlike non-metals is soft substance except diamond, which is the hardest substance on earth.

CHEMICAL PROPERTIES:

  • Metals support conduction of heat and electricity. Conversely, non-metals are insulators, and so they do not support conduction of heat and electricity.
  • Metals have a very high melting and boiling point. In contrast, non-metals are boiled and melted at a relatively low temperature.
  • In the outer shell, metals consist of 1 to 3 electrons, whereas non-metals consist of 4 to 8 electrons.
8 0
3 years ago
C3H6(OH)2 major species present when dissolved in water
topjm [15]
<span>Answer: the major species present when C₃H₆(OH)₂ is the same molecule.
</span><span />

<span>Explanation:
</span><span />

<span>When solutes dissolve in water there are two possibilities: 1) either the solute dissociate into ions (which is the case of ionic compounds) and the ions are solvated by the solvent, or 2) in the case of covalent compounds the entire molecule is solvated by the molevules of the solvent (water).
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<span>The compound C₃H₆(OH)₂ (propylene glycol) is a covalent compound, so when dissolved in water it will not dissociate but will remain as a molecule, and that molecules is the species solvated by the molecule of water.</span>
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GarryVolchara [31]

Answer:

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