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kicyunya [14]
2 years ago
6

I’m screwed omg i totally forgot I have school today and forgot to do this someone help me rq I’ll brainlist plslsls be awake ju

st make sure you write the word equation for each of the following metal oxidation reactions or if you can, also write a chemical equation below it. idrm bout that but it’ll be really nice if u did.
tried doing it and if ur one of the smart people that can do science unlike me surely u’ll help. ☺️

Chemistry
1 answer:
zlopas [31]2 years ago
7 0

Answer:

Zn + O2 = ZnO

Mg + O2 = MgO

Cu + O2 = CuO

Al + O2 = Al2O3

Explanation:

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What accounts for the majority of all air pollution? Is that source increasing or decreasing overall?
lianna [129]
Hi there!

One of the main causes of air pollution is smoking.

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Another big cause of pollution is cars. Gasoline of course comes out into the air after it is used. It also affects animals.

A lot of people know that we should change this, but hardly anyone is really doing anything to try and stop it.

I know this is a short answer, but I hope it helps!
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3 years ago
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What is the name for the elements that have some properties of metals and some properties of non-metals
Andrej [43]

Answer: The metalloids are a unique group of elements that share properties of both metals and nonmetals.

Explanation: They're also called the semimetals because of the shared properties of these elements along the dividing line between metals and nonmetals.

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3 years ago
What is the last step in the scientific method?
nataly862011 [7]

Answer:

D

Explanation:

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8 0
3 years ago
The enzyme, phosphoglucomutase, catalyzes the interconversion
Fittoniya [83]

Answer:

K_{eq = 19

ΔG° of the reaction forming glucose 6-phosphate =  -7295.06 J

ΔG° of the reaction  under cellular conditions = 10817.46 J

Explanation:

Glucose 1-phosphate     ⇄     Glucose 6-phosphate

Given that: at equilibrium, 95% glucose 6-phospate is  present, that implies that we 5% for glucose 1-phosphate

So, the equilibrium constant K_{eq can be calculated as:

K_{eq = \frac{[glucose-6-phosphate]}{[glucose-1-[phosphate]}

K_{eq= \frac{0.95}{0.05}

K_{eq = 19

The formula for calculating ΔG° is shown below as:

ΔG° = - RTinK

ΔG° = - (8.314 Jmol⁻¹ k⁻¹ × 298 k ×  1n(19))

ΔG° = 7295.05957 J

ΔG°≅ - 7295.06 J

b)

Given that; the concentration  for  glucose 1-phosphate = 1.090 x 10⁻² M

the concentration of glucose 6-phosphate is 1.395 x 10⁻⁴ M

Equilibrium constant  K_{eq can be calculated as:

K_{eq = \frac{[glucose-6-phosphate]}{[glucose-1-[phosphate]}

K_{eq}= \frac{1.395*10^{-4}}{1.090*10^{-2}}

K_{eq} = 0.01279816514  M

K_{eq} = 0.0127 M

ΔG° = - RTinK

ΔG° = -(8.314*298*In(0.0127)

ΔG° = 10817.45913 J

ΔG° = 10817.46 J

5 0
3 years ago
In a nuclear fission reaction, a freely moving neutron is introduced to a nuclear fuel, such
insens350 [35]

In a nuclear fission reaction, a freely moving neutron is introduced to a nuclear fuel, then a neutron is absorbed by an atom's nucleus.

<h3>What is nuclear fission?</h3>

Nuclear fission is a process in which an unstable nuclei will convert into stable nuclei after releasing the energy in the form of particles.

When we introduce a freely moving neutron to the nuclear fuel of uranium-235 nuclei then this introduced neutron was absorbed by the nuclei and makes the nuclei more unstable. Then this unstable nuclei will convert into two nuclei in the addition of three neutrons.

Hence, a neutron is absorbed by an atom's nucleus.

To know more about nuclear fission, visit the below link:

brainly.com/question/14019172

#SPJ1

6 0
2 years ago
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