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Roman55 [17]
3 years ago
7

Is the capacity to do work or to produce heat.

Chemistry
1 answer:
antiseptic1488 [7]3 years ago
5 0

Answer:

Energy is the ability to do work or to produce heat.

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The decomposition of water is used to show which of the following?
horsena [70]
Shows that water is a compound...
made up of 2 hydrogen atoms and 1 oxygen atom...=H2O...
decomposition of water is by electrolysis which splits the compound!
hope this helps!
4 0
3 years ago
a solution of iron 3 sulfate and a solution of lead 2 perchlorate react to produce lead 2 sulfate precipitate
777dan777 [17]

Balanced equation :

Fe2(SO4)3 + 3Pb(ClO4)2 → 2Fe(ClO4)3 + 3PbSO4

<h3>Further explanation</h3>

Given

Word equation

Required

Balanced equation

Solution

Chemical equations can be expressed in terms of:

  • word equation
  • skeleton equation
  • balanced equation

Word equation :

a solution of iron 3 sulfate and a solution of lead 2 perchlorate react to produce lead 2 sulfate precipitate

Skeleton equation :

Fe2(SO4)3 + Pb(ClO4)2  → Fe(ClO4)3 + PbSO4

Balanced equation :

Fe2(SO4)3 + 3Pb(ClO4)2 → 2Fe(ClO4)3 + 3PbSO4

7 0
3 years ago
A sample of a substance was determined and contained 1.0g of mg and 1.75g of o. what is the empirical formula? (10 pts)
Juliette [100K]
<span>Total mass = 2.75g Mass % of Mg = 1.0g x 100/2.75g = 36.36 % Mass % of O = 1.75g x 100/2.75g = 63.64 % Mol of Mg = 36.36/24 = 1.515 Mol of O = 63.64/16 = 3.977 Ratio of Mol of Mg and O in the substance = (1.515 : 3.977) x 2 = 3 : 8 The empirical formula of substance is Mg3O8</span>
7 0
3 years ago
When a gas is heated, the gas particles have more kinetic energy. Complete the following sentence: This means they move about mo
Volgvan

Answer:

Contact

Explanation:

As the speed of the particles increases, they move around more, which means they hit the sides of the container more.

3 0
3 years ago
وزن الملي مكافئ لحامض الخليك​
Natalka [10]

Answer:

hshssytdtctdyeheb

Explanation:

yye6d66d6d6dududyydydydyehwj2

3 0
3 years ago
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