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NNADVOKAT [17]
3 years ago
13

Describe the displacement method for measuring the volume of an object

Chemistry
1 answer:
jeyben [28]3 years ago
6 0
<span>Volume is a measure of the amount of space an object takes up. When a cylinder is submerged in the water it pushes water out of the way. If you measure the amount the water level increases, you can find the volume of the water pushed out of the way. </span>
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An aldehyde is an organic compound containing a terminal carbonyl group (C = O). This functional group, consisting of a carbon atom bound to a hydrogen atom and an oxygen atom via double bond (the general formula: CHO) is called the aldehyde group. In a reaction of the addition of alcohol to the carbonyl group, it forms hemiacetals. 
On the picture attached it is shown the reaction of alcohol addition to the carbonyl group with the major organic product <span>formed in the reaction.</span>

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The empirical formula for a compound that is 1.2% h, 42.0%cl, and 56.8%o is
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Identify the species oxidized. 2 al3+(aq) + 2 fe(s) → 2 al(s) + 3 fe2+(aq)
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To know the answer, compare the oxidation number of the element in the reactant and the product side. The oxidation number of Al was originally +3, then became 0 after the reaction. On the other hand, Fe was originally 0, then became +2 after the reaction. When the element is oxidized, it oxidation number increases. <em>Thus, the element oxidized is Fe.</em>
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3 years ago
Construct a simulated 1H NMR spectrum for ethyl acetate by dragging and dropping the appropriate splitting patterns into the box
Ksju [112]

Answer:

The simulated 1H NMR spectrum for ethyl acetate is shown in the drawing attached.

Explanation:

To construct this NMR it is necessary to identify the essential components that can produce resonance peaks.

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Choose the correct products for the double replacement reaction below. Click here to access the solubility rules to determine wh
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MgCl₂ & PbSO₄ is the correct product for the given double replacement reaction.

<h3>What is double displacement reaction?</h3>

In the double displacement reaction displacement of two substrate will take place among two reactants and formation of products takes place.

In the question, PbCl₂ reacts with MgSO₄ and displacement between the cations takes place and formation of  MgCl₂ and insoluble precipitate PbSO₄ is formed.

Given reaction is represented as:

PbCl₂ + MgSO₄ → MgCl₂ + PbSO₄

According to the activity series, reactivity of Magnesium is more as compared to the lead atom. So lead is displaced by the magnesium atom and form the above given products.

Hence, option (3) is correct i.e. MgCl₂ & PbSO₄.

To know more about double displacement reaction, visit the below link:

brainly.com/question/26413416

8 0
2 years ago
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