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Evgesh-ka [11]
3 years ago
15

Technician A says that a leaking head gasket can be tested for by using a chemical tester. Technician B says that a leaking head

gasket can be found using an exhaust gas analyzer. Who is correct?
Chemistry
1 answer:
swat323 years ago
3 0

Answer: Both technicians are correct

Explanation: A chemical tester and exhaust gas analyzer are two important ways to check for gasket leakage

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Which best explains what happens to the carbon atoms in carbon dioxide during photosynthesis?A They are incorporated into molecu
Mademuasel [1]

Answer:

A They are incorporated into molecules of sugar.

Explanation:

Photosynthesis is the metabolic process whereby sugar molecules are synthesized by plants in the presence of sunlight (light energy). For this process to occur, carbon dioxide (CO2) and water (H2O) are needed as reactants from external sources. Hence, the photosynthetic equation is as follows:

6CO2 + 6H2O → C6H12O6 + 6O2

According to this question, the carbon atoms in carbon dioxide are incorporated into sugar molecule (glucose). It takes 6 carbon atoms to produce one glucose molecule (C6H12O6). This process involves series of reaction in the light-independent stage of photosynthesis to occur.

3 0
3 years ago
Another one please help
ladessa [460]
Possibly C or D i wanna say sorry if i’m wrong
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Is liquid ammonia a household acid?​
alexgriva [62]

Yes it is an cleaning product

8 0
3 years ago
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What is the chemical formula for iron(II) hydroxide?<br> Fe, OH<br> Fe(OH)<br> FeOH<br> 0 FeOH
denpristay [2]
None of the above, it is Fe(OH)2
3 0
3 years ago
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A substance decays so that the amount a of the substance left at time t is given by: a = a0 ∙ (0.8)t where a0 is the original am
Zolol [24]

The half-life of the substance is 3.106 years.

<h3>What is the formula for exponential decay?</h3>
  • The exponential decline, which is a rapid reduction over time, can be calculated with the use of the exponential decay formula.
  • The exponential decay formula is used to determine population decay, half-life, radioactivity decay, and other phenomena.
  • The general form is F(x) = a.

Here,

a = the initial amount of substance

1-r is the decay rate

x = time span

The equation is given in its correct form as follows:

a = a_{0}×(0.8)^{t}

As this is an exponential decay of a first order reaction, t is an exponent of 0.8.

Now let's figure out the half life. Since the amount left is half of the initial amount at time t, that is when:

a = 0.5 a0

<h3>Substituting this into the equation:</h3>

0.5a_{0} = a_{0}×(0.8)^{t}

0.5 = (0.8)^{t}

taking log on both sides

t log 0.8 = log 0.5

t = log 0.5/log 0.8

t = 3.106 years

The half-life of the substance is 3.106 years.

To learn more about exponential decay formula visit:

brainly.com/question/28172854

#SPJ4

4 0
1 year ago
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