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Dmitry [639]
3 years ago
6

Is coffee a mixture or compound

Chemistry
2 answers:
melamori03 [73]3 years ago
5 0
Coffee is a mixture because it is a mixture of many compounds
Viefleur [7K]3 years ago
4 0
Mixture because its made of compounds
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List the spectator ions in the following reaction.
Rudik [331]

Answer:

2Na⁺ (aq) and 2OH⁻(aq)

Explanation:

Spectator ions:

Spectator ions are those ions which are same on both side of chemical reaction. These ions are same in the reactant side and product side. Their presence can not effect the chemical equilibrium that's why when we write the net ionic equation these ions are neglect or omitted.

Given ionic equation:

Ba⁺²(aq) + 2OH⁻(aq) + 2Na⁺ (aq) + CO²⁻₃(aq) → BaCO₃(s) + + 2Na⁺ (aq) + 2OH⁻(aq)

In given ionic equation by omitting the spectator ions i.e, 2Na⁺ (aq) and 2OH⁻(aq)  net ionic equation can be written as,

Net ionic equation:

Ba⁺²(aq) + CO²⁻₃(aq) → BaCO₃(s)

4 0
3 years ago
Explain how thermal energy is transferred in convection.
Tpy6a [65]

Answer:

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated. ... As a result, the particles take up more volume.

4 0
3 years ago
What does it mean when someone is impartial?​
larisa86 [58]

Answer:

treating everyone fairly

Explanation:

making or treating every fair as possible

8 0
3 years ago
Read 2 more answers
Magnesium and Hydrochloric acid (HCl) react to form magnesium chloride (MgCl2) and hydrogen gas. If you started with 65.8 g of m
DiKsa [7]

Answer:

Cl

Explanation:

n for Mg=m:Mm

=65.8:24

=2.74mol

n for Cl=m:Mm

=45.7:70

=0.65mol

According to the <em>number of moles</em> we can say that the limiting reagent is Cl as it has few moles.

4 0
3 years ago
Nitrous acid, HNO 2, is classified as a weak acid in water. This means that it produces
tester [92]

Answer:

C

Explanation:

While some dilute acids are said to be weak, some are said to be strong. Now, the principal basis for this classification is based on the extent of ionization in water.

While strong acids ionize completely to give the maximum number of Oxonium ions, weak acids only ionize to an extent and thus do not give the full needed oxonium ions. Hence , we say they gave only a fraction and we term the ionization partial or incomplete.

Asa weak acid, nitrous acid is expected to ionize slightly and not completely. This makes it produce only a fraction of the expected oxonium ions in water

4 0
3 years ago
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