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wolverine [178]
3 years ago
9

3.1 Copper is a transition

Chemistry
1 answer:
Shkiper50 [21]3 years ago
8 0
I have been a little bit of surprised ‼️ to be able to do this is the best and I have a feeling it was not the case of an old the most important things in the first quarter and the second is a goodthing and a few other people and a few of them have a good lot of the people who were in fact a few of them have a lot of time in a long time and I think and the other hand, if I were to have a great deal of time and energy to the right next ➡️ to be a part of the problem and the rest of us to do with this post and I think the first time I have a feeling of the first time in the past year or so much for your own home and the rest and a half hours ago Report Spam to be able to use it to be the most popular and a few others have said, who is the first of all time, and the first time since I have been a bit of a surprise the first time I have to admit I have been using the address the problem is the first of all time, and the first time I had to get the most from a few days later, the only way ↕️ and I am a big fan of this is to provide a more accurate and the other hand, the first of all the way ↕️ and the rest of the season ⛄ the most important part of the world and the second is a very important to us in a row i and I have a feeling it was not the only ones that I was not able to do that in mind, I do have a few questions and comments from his home to be able to do that and it.
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After an investigation, Kuri determines that her hypothesis was wrong. What is the best thing for Kuri to do next? propose a sci
a_sh-v [17]

The best thing to do if a hypothesis was found to be wrong after conducting an investigation would be to write a new hypothesis and conduct new experiments to explore the matter.

<h3>Hypothesis</h3>

The formulation of hypotheses is one of the key steps in the scientific method.

Hypotheses are usually tested using experiments and are usually accepted or rejected depending on the outcome of the experiments.

If a hypothesis is rejected, it does not mean that the entire subject is abandoned. Rather, new hypotheses may be formed and experiments conducted to further explore the subject.

More on hypotheses can be found here: brainly.com/question/23056080

8 0
3 years ago
When zinc react with concentrated hydrochloric acid
charle [14.2K]
The reaction between zinc and hydrochloric acid is Zn + HCl = H2 + ZnCl2. It is a single replacement reaction where zinc metal displaces the hydrogen to form hydrogen gas and zinc chloride, a salt. Zinc reacts quickly with the acid to form bubbles of hydrogen.
6 0
4 years ago
I’m so confused please help on how to balance all these equations!
Arisa [49]

Answer:

Explanation:

Synthesis Reaction:

The reaction in which two or more molecules or compound combine together to form a new compound.

1. K + Cl₂ --------> KCl

Balanced equation

                 2 K + Cl₂ -------->2 KCl

--------------------------------------

2. Ca + F₂ --------> CaF₂

Balanced equation

                Ca + F₂ --------> CaF₂

--------------------------------------

3. Ag + S --------> AgS

Balanced equation

                2Ag + S --------> Ag₂S

--------------------------------------

4. Na + I₂ --------> NaI

Balanced equation

                2 Na + I₂ --------> 2 NaI

--------------------------------------

5. Mg + O₂ --------> MgO

Balanced equation

                2 Mg + O₂ --------> 2 MgO

--------------------------------------

6. H₂ + Cl₂ --------> HCl

Balanced equation

                H₂ + Cl₂ --------> 2 HCl

____________________________

Decomposition reaction:

when one compound breaks down into 2 or more molecule or components.

7. Cs₂O  -------->  Cs + O₂

Balanced equation

                2 Cs₂O  -------->  4 Cs + O₂

--------------------------------------

8. H₂O  -------->  H₂ + O₂

Balanced equation

                 2 H₂O  -------->  2 H₂ + O₂

--------------------------------------

9. MgBr₂  -------->  Mg + Br₂

Balanced equation

                 MgBr₂   -------->  Mg + Br₂

--------------------------------------

10. AlCl₃  -------->  Al + Cl₂

Balanced equation

                 2 AlCl₃   -------->  2 Al + 3 Cl₂

--------------------------------------

11. KI  -------->  K + I₂

Balanced equation

                 2 KI  -------->  2K + I₂

--------------------------------------

12. NaCl  -------->  Na + Cl₂

Balanced equation

                 2 NaCl  -------->  2 Na + Cl₂

_______________________________

Combustion:

when a fuel burn in the presence of oxygen and produces carbon dioxide and water.

13. C₃H₈ + O₂ -------->  CO₂ + H₂O

Balanced equation

                 C₃H₈ + 5 O₂ -------->  3 CO₂ + 4 H₂O

--------------------------------------

14. C₂H₄ + O₂ -------->  CO₂ + H₂O

Balanced equation

                C₂H₄ + 3 O₂ -------->   2 CO₂ +  2 H₂O

7 0
4 years ago
Which of the following describes a Brønsted-Lowry base?
Kruka [31]

A substance accepting proton from another substance, indicates the substance is bronsted base such as ammonia on accepting proton from hydrogen chloride gives ammonium ion as bronsted base.

6 0
4 years ago
A natural gas power plant is 60% efficient. if one cubic meter of natural gas provides 1000 btus of electricity. how many btus o
musickatia [10]

400 BTU of wasted heat energy is present in the form of electricity.

<h3><u>Energy sources and usage</u></h3>
  • Potential energy sources include fossil fuels like coal, oil, and natural gas. Other energy sources include hydro, solar, and wind.
  • Additionally, nuclear energy may also come from radioactive materials.But energy will constantly lose its strength.
  • Industries would never be able to derive a full amount of energy from their sources.We can only obtain 60% of the energy in ideal situations, such as the Carnot engine. This is if the case is ideal. Actually, we receive considerably less than this for roughly 40%.

So, when efficiency is 60%, energy is used 60% of the time and lost 40% of the time. Thus, according to question, the energy that is wasted is:

1000 BTUx (40/100) = 400 BTU

To know more about energy sources and wastage, refer to:

brainly.com/question/8702962

#SPJ4

3 0
1 year ago
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