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2 years ago

Consider this reaction: 3Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g).

2 answers:

4 0

The rate of a reaction increases if the temperature is increased, the concentration of a dissolved reactant is increased and the pressure of a reacting gas is increased. Hope this answers the question. Have a nice day. Feel free to ask more questions.

Zepler [3.9K]2 years ago

4 0

also increasing the surface area would increase the speed

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Changing _________________ can significantly alter the area that could be affected by a chemical release.

Harman [31]

The answer is D, location, because you'd have moved spots that could be altered.

6 0

2 years ago

you are given a solution of lead nitrate. use any of the solution used in this experiment to form a white precipitate of lead ch

Vesnalui [34]

We have as a reagent a salt, lead nitrate (Pb(NO3)2), and an unknown solution that gives us as a product lead chloride (PbCl2). That is, the solution must contain chlorine.

If a chlorine solution is used we will have the following reaction:

$Pb(NO_{3)2}+2Cl^-\rightarrow PbCl_2+2NO^-_3$

So, with a chlorine solution, we will have a white precipitate of lead chloride.

7 0

4 months ago

Simple cell?

poizon [28]

Answer:

I don't know..but plz follow me

4 0

2 years ago

HELP!!! I WILL MARK BRAINLIEST!!!

klemol [59]

Answer:

it is asolution because and a solid can contain liquid,solid and gas

Explanation:

he components in a mixture are not chemically joined; they are just mixed.

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2 years ago

A student was directed to convert the mass of a boulder from kg to pounds.

Alina [70]

Answer:

Incorrect

Explanation:

Given that,

The mass of a boulder, m = 22 kg

We need to find the weight of the student in pounds.

We know that,

1 pound = 454 g

1 g = (1/454 pounds)

22 kg = 0.022 grams

So,

0.022 grams = $\dfrac{0.022}{454}\ pounds$

= 0.000048 pounds

The student says the weight is 0.048 pounds. It means he was incorrect.

5 0

2 years ago