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algol [13]
3 years ago
15

In the balanced chemical reaction shown below, what is the molar ratio of O2 to H2O

Chemistry
1 answer:
icang [17]3 years ago
4 0

Answer: 5:3

Explanation:

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ss7ja [257]

Answer: to late sorry maybe next time

Explanation:

4 0
3 years ago
Imprints of the shells of ocean clams are often found in the rocks of the Appalachian Mountains. What do these imprint fossils M
Anit [1.1K]
A. It is the most reasonable answer
7 0
3 years ago
An atom has 24 protons, 22 electrons, and 28 neutrons. What is the MASS # of the atom
sleet_krkn [62]

The mass of an atom is given by the sum of the number of PROTONS and the number of NEUTRONS since ELETRON'S mass is negligible.

The mass is 24+28 = 52.

4 0
3 years ago
Write a balanced chemical equation for the reaction of magnesium with hydrochloric acid (HCI (aq) to form Magnesium chloride and
ivann1987 [24]
Mg (s)       +    HCl (aq)    →  MgCl₂(s)   + H₂(g)

Looking at the equation :

We have 1 Mg at the left hand side and 1 Mg as well on the right hand side.
So that is balanced. 

We have 1 H at the left hand side and 2 H on the right hand side.
So that is not balanced.  Same for Chlorine. Cl.

We add 2 to the HCl on the left hand side and that balances it.

Mg(s)       +    2HCl(aq)    →  MgCl₂(s)  + H₂(g)
6 0
3 years ago
Read 2 more answers
An enzyme is discovered that catalyzes the chemical reaction SAD ↔ HAPPY A team of motivated researchers sets out to study the e
Pepsi [2]

Answer:

The K_{m} of a substrate will be "10 μM".

Explanation:

The given values are:

E_{t} = 20 \ nM

[Substract] = 40 \ \mu M

K_{cat}=600 \ s^{-1}

Reaction velocity, Vo=9.6 \ \mu M s^{-1}

As we know,

⇒  Vo=\frac{K_{cat}[E_{t}][S]}{K_{m}+[S]}

On putting the estimated values, we get

⇒  9.6=\frac{600\times 20\times 10^{-3}\times 40}{K_{m}+40}

⇒  K_{m}+40=\frac{600\times 20\times 10^{-3}\times 40}{9.6}

⇒  K_{m}+40=50

On subtracting "40" from both sides, we get

⇒  K_{m}+40-40=50-40

⇒  K_{m}=10 \ \mu M

6 0
3 years ago
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