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Tasya [4]
3 years ago
5

Two pieces of iron with the different masses - 500 g and 1000 g - both have 4.5 kJ of energy added to them.

Chemistry
1 answer:
jok3333 [9.3K]3 years ago
3 0

Answer:

1000g

Explanation:because the higher mass takes up heat.

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What is the correct formula of a compound that has ten oxygen atoms and four phosporus atoms?
Arte-miy333 [17]

The correct formula of a compound that has ten oxygen atoms and four phosphorus atoms will be P_{4} O_{10}<u>(tetra phosphorus decoxide)</u>

<u />

Chemical element symbols, numbers, and other symbols, such as parentheses, dashes, brackets, commas, plus as well as minus signs, are used to represent the chemical quantities of the atoms that make up a certain chemical compound and molecule.

It is given that the number of P atom is 4 and 10 oxygen . Decoxide mean

any oxide with ten oxygen molecules per molecule.

Typically, a molecular molecule consists of two or even more nonmetal components. Molecular compounds are characterized by employing the stem of the primary element's term plus the suffix -ide, followed by the second element. The count of atoms in a molecule is specified using numerical prefixes.

Therefore, The correct formula of a compound that has ten oxygen atoms and four phosphorus atoms will be P_{4} O_{10}<u>(</u><u>tetra phosphorus decoxide)</u>

<u />

To know more about  compound

brainly.com/question/1563659

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7 0
2 years ago
3) A solution contains 61.3 moles of KC103 in 0.25 L of solution. What is the
marissa [1.9K]

Answer:

The molarity of the solution is 245, 2M.

Explanation:

We calculate the molarity, which is a concentration measure that indicates the moles of solute (in this case KCl03) in 1000ml of solution (1 liter):

0,25 L  solution----- 61,3 moles of KCl03

1 L solution----x= (1 L solution x 61,3 moles of KCl03)/0,25 L solution

x=245, 2 moles of KCl03 --> <em>The molarity of the solution is 245, 2M</em>

<em></em>

6 0
3 years ago
Which of this is the method by which fire extinguisher works?
Andrew [12]

Answer:

the answer is a.cut off the supply of oxygen

8 0
3 years ago
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DUE IN 30 MINUTES!!! (please keep it short if you can, if not its ok.) What is the molar mass of Pb(SO4)2? Explain how you calcu
kipiarov [429]

Answer:

399

Explanation:

Pb(SO4)2 contains 1 atom of Pb, 2 atoms of S and 8 atoms of O. So, atomic mass of Pb(SO4)2 is 207 + 64 + 128 = 399 u. Therefore, molar mass of Pb(SO4)2 is 399 g/mol.HOPE THIS helps. Good Luck

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3 years ago
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Completas las secuelas<br>​
Nata [24]

Answer:

?

Explanation:

7 0
3 years ago
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