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Elena-2011 [213]
2 years ago
12

How to calculate formal charge on a lewis structure

Chemistry
1 answer:
o-na [289]2 years ago
3 0

Answer:

count how many electrons it 'owns'

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The rate constant, k, for a first-order reaction is equal to 4.3 × 10-4 s-1. What is the half-life for the reaction? The rate co
pantera1 [17]

Answer:

1.6 × 10³ s

Explanation:

Let's consider the following generic reaction.

A → B

The rate law is:

rate=k \times [A]^{m}

where,

rate is the reaction rate

k is the rate constant

[A] is the molar concentration of the reactant A

m is the reaction order

When m = 1, we have a first-order reaction. We can calculate the half-life for this reaction using the following expression.

t_{1/2}=\frac{ln2}{k} =\frac{ln2}{4.3 \times 10^{-4}s^{-1} }=1.6 \times 10^{3}s

4 0
3 years ago
The volume of a pond being studied for the effects of acid rain is 35 kiloliters (kL). There are 1,000 liters (L) in 1 kL and 10
inna [77]
The volume of a pond being studied for the effects of acid rain is 35 kiloliters (kL). There are 1,000 liters (L) in 1 kL and 10^3 microliters (mL) in 1L.

35 kiloliters ( 1000 liters/1 kiloliters) (10^3 microliters / 1liters)
=35,000,000 microliters
6 0
2 years ago
What are the answers to all of these, I NEED HELP ASAP
Alina [70]

Answer:

well you see here if you add 15+15 it equals 30

Explanation:

please put the question :)

4 0
3 years ago
When an atom makes a transition from a higher energy level to a lower one, a photon is released. What is the wavelength of the p
kykrilka [37]

Answer:

Wavelength of the photon depends on transition from different states.

Explanation:

The wavelength of the photon that is emitted from the atom during the transition depends on the transition from different states. If the photon is emitted from n=4 state to n=3 state, the wavelength of photon is 1875 while on the other hand, if the photon is emitted from n=5 state to n=3 state, the wavelength of photon is 1282. If the photon is emitted from n=3 state to n=2 state, the wavelength of photon is 656.

4 0
2 years ago
PLEASE HELP! DUE in 5 minutes
photoshop1234 [79]
The Correct answer is Bbbb
Oxygen
3 0
3 years ago
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