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Grace [21]
3 years ago
12

Hello I need ur guys help on my test its my last take opportunity and I did most of it but some im stumped on so please... put a

real answer I only have 16 points left and its due tonight at 11:59pm and I have to go to bed in an HOUR!!!!!!!! HEELPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEEEEE PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ

Chemistry
1 answer:
stiks02 [169]3 years ago
5 0

Answer:

23: Los Angeles 14: C

Explanation:

I don't know the rest.

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What type of bonding occurs in a sample of pure sodium, ? In other words, how is one sodium atom held to another sodium atom? A.
NeX [460]

Answer:

The answer to your question is B. metallic

Explanation:

Covalent bonding is a bond between two nonmetals and the difference in electronegativity is between 0 and 1.7. Sodium could not have this kind of bond because is a metal.

Ionic bonding is a bond between a metal and a nonmetal and the difference of electronegativity is higher than 1.7. Sodium can have this kind of bond it is necessary one nonmetal.

Metallic, sodium has a metallic bond because this bond is characteristic of metals.

4 0
3 years ago
Calculate the [H3O+] for orange juice, which has a [OH–] = 5.0 × 10–11 M.
zloy xaker [14]

Answer:

i Think.... i think its a carrot

Explanation: 5.0 x 10-11 M

3 0
2 years ago
In the induced fit model of enzymes, a substrate associates itself with which part of an enzyme?
NNADVOKAT [17]
Hello.

Active site of the enzyme.

Have a nice day
8 0
3 years ago
How would you describe the motion of plates in a divergent boundary?
Nutka1998 [239]
Divergent boundaries occur along spreading centers where plates are moving apart and new crust is created by magma pushing up from the mantle. Picture two giant conveyor belts, facing each other but slowly moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest.
3 0
3 years ago
How many moles (of molecules or formula units) are in each sample? 79.34 g cf2cl2?
Alona [7]
From the periodic table:
molecular mass of carbon = 12 grams
molecular mass of fluorine = 18.99 grams
molecular mass of chlorine = 35.5 grams
Therefore:
one mole of CF2Cl2 = 12 + 2(18.99) + 2(35.5) = 120.98 grams
Therefore, we can use cross multiplication to find the number of moles in 79.34 grams as follows:
mass = (79.34 x 1) / 120.98 = 0.6558 moles

Now, one mole contains 6.022 x 10^23 molecules, therefore:
number of molecules in 0.65548 moles = 0.6558 x 6.022 x 10^23
                                                              = 3.949 x 10^23 molecules
7 0
2 years ago
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