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Lady bird [3.3K]
3 years ago
12

Science always begins with what?

Chemistry
1 answer:
tiny-mole [99]3 years ago
3 0

Step 7- Communicate. Present/share your results. Replicate.

Step 1- Question.

Step 2-Research.

Step 3-Hypothesis.

Step 4-Experiment.

Step 5-Observations.

Step 6-Results/Conclusion.

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B. The highly toxic gas phosgene is produced by the reaction CO(g) + Cl2(g) COCl2(g), ΔH = –108 kJ/mol. Use this reaction to ans
galben [10]

Answer:

I. Increasing pressure will allow more frequent successful collision between particles due to the particles being closer together.

II. Rate of reaction increases due to more products being made; as increased pressure favours the exothermic side of the equilibrium.

III. Increasing temperature provides particles lots of (Kinetic) energy, for more frequent successful collision due to the particles moving at a faster rate than before. However, favouring the endothermic side of the equilibrium due to lots of energy required to break and form new bonds.

IV. Rate of reaction increases due to increase temperature favouring both directions of the equilibrium - causing products to form faster.

Hope this helps!

6 0
2 years ago
Are watches considered as compound machines?
Alisiya [41]
Yes. They are called compound machines because two or more simple machines were combined to create it.
5 0
3 years ago
Wave particle duality is most apparent in analyzing the motion of.
DIA [1.3K]

Answer:

Wave particle duality is most apparent in analyzing the motion of. an electron. A photon of which electromagnetic radiation has the most energy.

5 0
2 years ago
An atom of calcium loses two electrons. What is the charge on an ion of calcium?
kap26 [50]
The charge of an ion of calcium that loses two electrons is  D.) +2

hope this helps you 
4 0
3 years ago
Which of the following are characteristics of a protein? Select all that apply. A. It is made of amino acids. B. It has long cha
gayaneshka [121]

I believe the answers are A and D

3 0
3 years ago
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