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xeze [42]
3 years ago
11

What is the current model of atom

Chemistry
1 answer:
leonid [27]3 years ago
7 0

Answer:

The bohr model is the model in use today

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If you collect 5.74 mL of O 2 at 298 K and 1.00 atm over 60.0 seconds from a reaction solution of 5.08 mL, what is the initial r
skad [1K]

Answer:

7.71 × 10⁻⁴ M/s

Explanation:

The initial rate of the reaction can be expressed by using the formula:

\dfrac{\Delta [O_2]}{\Delta t}

where the number of moles of O₂ = \dfrac{PV}{RT}

where;

Pressue P = 1.00 atm

Volume V =5.74mL =  (5.74 /1000) L

Rate R = 0.082 L atm/mol.K

Temperature = 298 K

= \dfrac{1.00 \ atm \times \dfrac{5.74 }{1000}L}{0.082 \ L \ atm/mol.K \times 298 K}

= 2.35 × 10⁻⁴ mol

Δ[O₂] = \dfrac{moles \ produced - initial \ mole}{\dfrac{5.08 }{1000}L }

Δ[O₂] = \dfrac{2.35 \times 10^{-4} M  - 0 M}{\dfrac{5.08 }{1000}}

Δ[O₂]  = 0.04626 M

The initial rate = \dfrac{\Delta [O_2]}{\Delta t}

= \dfrac{0.04626}{60}

= 7.71 × 10⁻⁴ M/s

8 0
4 years ago
What does the hydrolysis of atp do in a ca2+ pump or na+/k+ pump?
34kurt
Hydrolysis of ATP provides the energy that is needed to drive the electrolytes pumps. Energy is needed for these pumps to function because they are active form of transportation which the body use to move electrolytes from one point in the body to the other.
6 0
4 years ago
Pls someone help me with this question pls
astra-53 [7]
The answer should be c because of the answer
3 0
3 years ago
Explain what "LEO the lion goes GER" means based upon what you have learned
olchik [2.2K]

"LEO the lion goes GER" means based upon the oxidation and reduction reactions.

<h3>What is oxidation and reduction reaction?</h3>

Oxidation reactions are those reactions in which lossing of electrons are taking place from the substrate molecule and in reduction process gaining of electrons is done by substrate molecules.

The phrase "LEO the lion goes GER" is used in the context of oxidation and reduction reactions. Meaning of the terms:
LEO → Lose electrons = oxidation

GER → Gain electrons = reduction

Hence the given line is based on oxidation and reduction.

To know more about oxidation and reduction, visit the below link:
brainly.com/question/4222605

#SPJ1

3 0
2 years ago
Which subatomic particles are located in the nucleus of a ca-40 atom?
san4es73 [151]

Answer:

3) neutrons and protons

Explanation:

I just completed Grade 11 Chemistry with a 97% and I'm still under the impression that all atoms have only neutrons and protons in their nuclui.

I apologize if this is a question above my current education.

3 0
3 years ago
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