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stepladder [879]
3 years ago
14

Protons are _________ charged and are found ________________________

Chemistry
1 answer:
Over [174]3 years ago
8 0
Protons are positively charged and are found inside the nucleus of an atom
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What is the electron configuration of S and Cl?
Alexxx [7]

Answer:

S is [Ne] 3s²3p⁴

Cl is [Ne] 3s² 3p⁵

Explanation:

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What are intermolecular forces​
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They hold molecular bonds together in solds and liquids.
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Which suffix means "pertaining to conditions present at birth ?
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IAL is the suffix pertaining to conditions percent are birth.
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Hyposulfite, SO22–, is a polyatomic ion that has not yet been definitively confirmed to exist. However, the VSEPR model may stil
LUCKY_DIMON [66]

Answer:

The most reasonable estimate for the O–S–O bond angle in hyposulfite = 106°

Explanation:

Hyposulphite (so₂²⁻) is polyatomic ion .

According to VSEPR model

Total elrctron pairs  =\frac{1}{2} [V+X -C+A]

V = Valence shell electrons of central element

X = No. of monovalent surrounding atoms

C = Cationic charge

A = Anionic charge

Total electron pairs =\frac{1}{2}[6+0-0+2]= 4

That is two bond pairs and two lone pairs

6 0
3 years ago
An enzyme is discovered that catalyzes the chemical reaction:SAD -------->HAPPY
jekas [21]

Answer: Km = 10μM

Explanation: <u>Michaelis-Menten constant</u> (Km) measures the affinity a enzyme has to its substrate, so it can be known how well an enzyme is suited to the substrate being used. To determine Km another value associated to an eznyme is important: <em>Turnover number (Kcat)</em>, which is the number of time an enzyme site converts substrate into product per unit time.

Enzyme veolcity is calculated as:

V_{0} = \frac{E_{t}.K_{cat}.[substrate]}{K_{m}+[substrate]}

where Et is concentration of enzyme catalitic sites and has to have the same unit as velocity of enzyme, so Et = 20nM = 0.02μM;

To calculate Km:

V_{0}*K_{m} + V_{0}*[substrate] = E_{t}.K_{cat}.[substrate]

K_{m} = \frac{E_{t}.K_{cat}.[substrate]-V_{0}*[substrate]}{V_{0}}

K_{m} = \frac{0.02*600*40-9.6*40}{9.6}

Km = 10μM

<u>The Michaelis-Menten for the substrate SAD is </u><u>10μM</u><u>.</u>

3 0
3 years ago
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