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pychu [463]
3 years ago
6

When aluminum is mixed with iron ii oxide iron metal and aluminum oxide?

Chemistry
1 answer:
Alexandra [31]3 years ago
6 0
Are produced along with a large quantitu of heat
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If a drop of red ink is placed in one end of a shallow pan filled with water, and a drop of blue ink is placed in the other end,
steposvetlana [31]
The red and blue will spread from the drops which will mix causing purple at the meeting and red pat that then over time it will spread to a murky purple
3 0
3 years ago
Consider this reaction: Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g).
iragen [17]
Option are as follow,

A. temperature, concentration and surface area 
<span>B. temperature, and concentration only </span>
<span>C. concentration and surface area only </span>
<span>D. temperature and surface area only
</span>
Answer:
           Option-<span>A. Temperature, Concentration and Surface area
</span>
Explanation:

1) Increasing Temperature:
                                              Increase in temperature increases the Kinetic energy of molecules. This results in increase in the velocity and rate of collisions between reactants. Hence, greater the number of collisions between reactants per time greater will be the probability of formation of product per unit time.

2) Increasing Concentration
                                            Increase in concentration results in increase in number of particles of reactants per unit area, hence collision rate increases resulting in rate of reaction.

3) Increasing Surface Area
                                             Grinding of Zn results in the increase of surface area of Zinc. So greater the surface area greater is the exposure of Zinc metal to HCl molecules, hence the rate of formation of product increases.
5 0
3 years ago
Can yall assist me with this lab? It is really screwing me up... No spam!! the only part that I need is the last page. I will ma
kenny6666 [7]

Answer:

What do you need help with?!

Explanation:

5 0
2 years ago
Propane is used as a fuel source on many barbeque grills. What is undergoing reduction during the burning of propane while grill
Anni [7]

Answer:

Oxygen

Explanation:

because oxygen is used when making and sustaining a fire.

I think this seems like something is missing from the question

8 0
2 years ago
5. Which statement is true about electronegativity?
Anit [1.1K]

Answer:

Electronegativity generally increases from left to right across a period,

Explanation:

The true statement from the given choices is that electronegativity generally increases from left to right across a period.

Electronegativity is the measure of the relative tendency with which an atom of the element attract valence electrons in a chemical bond.

Across a period electronegativity increases from left to right and decreases down the group.

This is due to reduction in metallic properties as we move across the period from left to right.

3 0
2 years ago
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