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inn [45]
3 years ago
10

Can someone please help me?

Chemistry
1 answer:
andrew11 [14]3 years ago
6 0

Answer:the mass of the gases and ash should be equal the mass of the initial stack of newspapers, there are equal number of atoms on both sides

Explanation:no matter what form the newspaper would take the mass stays the same because all you did is burn it, conserve means that each atom's mass will stay the same no matter what.

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The atomic number of argon is 18. will argon tend to form bonds with other elements? explain your answer.
koban [17]
Argon atoms would not tend to make bonds with other atoms since it is classified as a noble atom which means it has a complete filled subshells. It does not have any electrons that are available for bonding. Noble gases belong to the Group 8A in the periodic table of elements. All of the elements in this group do have a complete or filled electron orbitals which makes them so stable or the s and p outer electron shells are complete with electrons. All of them follows the octet rule. Thus, they do not need any sharing or transfer of electrons from other compounds for them to be more stable.
8 0
3 years ago
Read 2 more answers
How many moles are present 560.0 g of iron (lll) sulfate
xxMikexx [17]

Answer:

1.400 mol

Explanation:

To convert grams to moles, you will need the molar mass.  The molar mass of iron(iii) sulfate is 399.88 g/mol.  Divide grams by the molar mass to find moles.

(560.0 g)/(399.88 g/mol) = 1.400 mol

There are 1.400 mol present in 560.0 g of iron(iii) sulfate.

3 0
4 years ago
What is the equilibrium expression for the reaction below?<br> 2Na(s) + 02) Na2O2,(s)
iogann1982 [59]

Answer:

{ \tt{k _{c} = \frac{[Na_{2} O _{2} ]}{[Na] {}^{2} [O _{2} ]}  }}

3 0
3 years ago
At constant temperature, when the volume of a gas is decreased, what happens to its pressure? Select one: a. It increases. b. It
natulia [17]

Answer:

The answer would be

a. it increases

3 0
4 years ago
How do we represent a gain in mass in a particle diagram
Lelechka [254]

Answer:

How are density, mass and volume related to each other? How do ... This diagram compares the particles in a gas, a liquid and a solid. ... The following diagram represents one of the glasses pictured above, containing a colourless liquid ... For matter to change from one state to another, its particles must gain or lose energy.

Explanation:

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