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bogdanovich [222]
3 years ago
8

What are crystalline solids?

Chemistry
1 answer:
BigorU [14]3 years ago
6 0
The answer to this is B, solids with a repeating atomic pattern.
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) How many molecules are in 23 moles of Sodium?
densk [106]
4)<span>1.24⋅<span>1024</span></span><span> formula units

</span>1 mole Na<span> (sodium)</span>
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3 years ago
What do the following have in common: MgCl2, AlF3, CaI2, KCl
arsen [322]

Answer:

They are salts, ionic compounds

Explanation:

To know if they are covalent or ionic we need to check their difference in electronegativity. As an example mgcl2, mg has electronegativity of 1.2 and cl 3 so 3-1.2=1.8 which is bigger than 1.7 means it's ionic therefore they are salts

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3 years ago
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Penicillinase, also known as β‑lactamase, is a bacterial enzyme that hydrolyzes and inactivates the antibiotic penicillin. Penic
sergeinik [125]

Explanation:

The given data is as follows.

        V_{max} = 6.8 \times 10^{-10} \mu mol/min

          K_{m} = 5.2 \times 10^{-6} M

Now, according to Michaelis-Menten kinetics,

              V_{o} = V_{max} \times [\frac{S}{(S + Km)}]

where, S = substrate concentration = 10.4 \times 10^{-6} M

Now, putting the given values into the above formula as follows.

        V_{o} = V_{max} \times [\frac{S}{(S + Km)}]

        V_{o} = 6.8 \times 10^{-10} \mu mol/min \times [\frac{10.4 \times 10^{-6} M}{(10.4 \times 10^{-6}M + 5.2 \times 10^{-6} M)}]

            V_{o} = 6.8 \times 10^{-10} \mu mol/min \times 0.667

                              = 4.5 \times 10^{-10} \mu mol/min

This means that V_{o} would approache V_{max}.

5 0
3 years ago
Which law is based on the graph that is shown below?
Cerrena [4.2K]

Answer:

Boyle's Law

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8 0
3 years ago
A crate holds 20 boxes of sewing supplies. Each box contains 8 spools of thread. Each spool has 250 meters of thread wrapped aro
exis [7]

Answer: 40000

Explanation:

250*8=2,000

2000*20=40000

5 0
2 years ago
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