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Vanyuwa [196]
4 years ago
8

the element weighed 3.555 grams when it was burned in oxygen an oxide compound was produced. the product mass was 4.666 grams. W

hat is the mass of oxygen in the product?
Chemistry
1 answer:
vodka [1.7K]4 years ago
6 0
Idk really but i hope you figure out the answer im not on that yet.
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ANALYZE A ball of clay is manipulated into different shapes in each of the images
alekssr [168]

Answer:

The amount of mass and matter in all the transformations of the clay ball will remain the same or constant

Explanation:

From the  law of conservation of mass we have, for an enclosed system to and from which there is no transfer of matter or energy, mass cannot be created nor destroyed, and remains constant at the given value, but the matter which make up the mass can be changed into different forms

Therefore, the clay ball can be transformed into different shapes and will still posses the same initial mass before the transformation, provided there are no transfer of matter or energy from the clay ball system.

7 0
4 years ago
The molarity of a 4.200 L solution is 1.230 M Na2CO3. What is the mass of Na2CO3
Lerok [7]

Answer:

547.5g

Explanation:

To get the mass, you need moles.

moles = (molarity)(Liters)

moles = (1.230M)(4.200L) = 5.166 moles Na2CO3

Now, just use stoichiometry

molar mass of Na2CO3 = 2(mass of Na) + (mass of C) + 3(mass of O)

= 2(22.9) + 12.01 + 3(16) = 105.99g/mol

5.166moles(105.99g/mol)

= 547.544

But, the measurements given had 4 significant figures, so in chemistry we write:

547.5g

7 0
3 years ago
Which type of wave to support the idea that light is also made of waves
Alex

Answer:

my d comes in waves

Explanation:

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3 years ago
Based on its position in the table, with which other element do you think calcium might react?
Inessa05 [86]

Answer: sulfer

Explanation:

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During dehydration synthesis, an enzyme removes a ____________ functional group from the monomers of one organic molecule and a
Reika [66]

Linking monomers together to form a polymer .This chemical reaction also forms water molecules.

<h3>What is Polymerization?</h3>

This is a type of reaction which involves the linking of two or more monomers to form a polymer.

Dehydration reaction forms water molecules as part of the product thereby making it the most appropriate choice.

Read more about Dehydration here brainly.com/question/1301665

#SPJ1

3 0
2 years ago
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