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larisa [96]
3 years ago
10

How does a scientist critique another scientist’s conclusion?

Chemistry
1 answer:
Marat540 [252]3 years ago
7 0
<span>by performing more experiments</span>
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Automobile bodies contain significant amounts of iron. The iron is protected by the addition of zinc. This is called galvanizati
Oksana_A [137]

<u>Answer:</u> The balanced chemical equation is written below.

<u>Explanation:</u>

Galvanization is defined as the process in which a protective layer of zinc is applied to iron or steel to prevent the metal from rusting.

Zinc prevents the oxidation of iron and acts as a reducing agent in the process.

The half reaction for the process follows:

<u>Oxidation half reaction:</u>  Zn\rightarrow Zn^{2+}+2e^-

<u>Reduction half reaction:</u>  Fe^{2+}+2e^-\rightarrow Fe

Net chemical equation:  Zn+Fe^{2+}\rightarrow Zn^{2+}+Fe

Hence, the balanced chemical equation is written above.

6 0
3 years ago
A can of soda at 27oC (mass of 310g) is placed in a freezer with a temperature of -14oC. How much energy must be removed for the
kipiarov [429]

Answer:

3

Explanation:

4 0
2 years ago
5) How many moles are in 5 Liters of H2 gas?
telo118 [61]
From 5 L to moles, just divide 5 by 22.4. I got 0.22 moles of H2.
From 5 moles to liters, just multiply 5 by 22.4. I got 112 L of H2. 
4 0
3 years ago
One of the most worrisome waste products of a nuclear reactor is plutonium
Arte-miy333 [17]
One of the most worrisome waste products of a nuclear reactor is plutonium 239 (239Pu). This nucleus is radioactive and decays by splitting into a helium-4 nucleus and a uranium-235 nucleus (4He +... Q: One of the most worrisome waste products of a nuclear reactor is plutonium 239 (239Pu<span>).</span>
4 0
3 years ago
An artifact contains 1/4 as much carbon-14 as the atmosphere. How old is the artifact
musickatia [10]
The artifact appears to have gone through 2 half-lives. 
One half-life for Carbon-14 is 5730 years.
After 5730 years, there would be 1/2 as much carbon-14
After another 5730 years, there would be 1/4 as much carbon-14

The answer is roughly 11,460 years
4 0
3 years ago
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