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Pavlova-9 [17]
3 years ago
11

What is the difference between mass and volume?

Chemistry
2 answers:
IgorC [24]3 years ago
6 0
Mass is weight valume is liquid

laila [671]3 years ago
4 0
The difference is, mass is the amount of matter the object has,
volume is the amount of space it takes up.
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What substance forms a basic solution<br> A) NaCl<br> B)NH4Cl<br> C) NaF<br> D) Cu(No3)2
almond37 [142]

Answer:

NaF

Explanation:

This is basic, NaCl is neutral, and the others are acidic.

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3 years ago
What are substances that cannot be broken down into summoner subtances
Mekhanik [1.2K]
A element, because they are identically physically and chemically. 
7 0
4 years ago
Which chemical equation represents a redox reaction?
Murrr4er [49]

Answer:

B if i'm not mistaken.

Explanation:

8 0
3 years ago
How much positive charge is in 1.4 kg of oxygen? The atomic weight (15.9994 g) of oxygen contains Avogadro’s number of atoms, wi
Cerrena [4.2K]

Answer:

6.7511\times 10^7\ C

Explanation:

The atomic weight of oxygen = 15.9994 g

This mass corresponds to 1 mole of the oxygen atoms.

Thus,

15.9994 g mass of oxygen contains 6.02\times 10^{23} atoms of oxygen.

1.4 kg = 1400 g ( 1 kg = 1000 g)

So,

1400 g mass of oxygen contains \frac {6.02\times 10^{23}}{15.9994}\times 1400 atoms of oxygen.

Number of atoms in 1400 g of oxygen = 526.769754\times 10^{23}

Also, 1 atom of oxygen contains 8 protons

Charge of 1 proton = + 1.602\times 10^{-19}\ C

So, Charge on 1 atom of oxygen = 8\times 1.602\times 10^{-19}\ C

Thus,

Charge on 526.769754\times 10^{23} atoms of oxygen = 526.94476\times 10^{23}\times 8\times 1.602\times 10^{-19}\ C=6.7533\times 10^7\ C

Thus, positive charge in 1.4 kg of oxygen = 6.7511\times 10^7\ C

5 0
3 years ago
Connect the group to the configuration.pleas help !!
LenaWriter [7]

Explanation:

The group number in the periodic table represents number of valence electrons of the elements in a certain group.

Group 1 : 2,8,1

Group 2 : 2,8,8,2

Group 3 : 2,8,3

Group 4: 2,4

Group 7 : 2,8,7

7 0
3 years ago
Read 2 more answers
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