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timofeeve [1]
3 years ago
10

Use the collision theory to explain the 3 ways you suggested to increase the rate of the following reaction: A strip of magnesiu

m is added to a solution of hydrochloric acid, and a very slow reaction occurs.
Chemistry
1 answer:
Lina20 [59]3 years ago
6 0

Answer:

The rate of reaction of magnesium with hydrochloric acid. Magnesium reacts with dilute hydrochloric acid in a conical flask which is connected to an inverted measuring cylinder in a trough of water. The volume of hydrogen gas produced is measured over a few minutes, and the results are used to plot a graph.

Explanation:

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* Who can help with this lol *
Viktor [21]

Answer: subduction and sea floor spreading

Explanation:

He knew that the continents today were once joined together by fossil records of plants and animals that were found to be on continents far removed from each other. He knew this also by corresponding land forms that matches up as well. What he couldn’t prove is how the land masses would have moved so far away from each other. Subduction and sea floor spreading move the tectonic plates that the continents sit on. That’s what he was missing.

5 0
3 years ago
How cold is it on Uranus
Sav [38]

Answer:

-371 degrees f

Explanation:

-371 degrees F.

speeds on Uranus range from 90 to 360 mph and the planet's average temperature is a frigid -353 degrees F. The coldest temperature found in Uranus' lower atmosphere so far is -371 degrees F., which rivals Neptune's frigid temperatures.

(hope this helps can i plz have brainlist :D hehe)

6 0
3 years ago
1 Calcium carbonate breaks down on heating to produce calcium oxide and carbon dioxide gas.
Alborosie

Answer:  See below

Explanation:

1.  a)  0.15 moles calcium carbonate  (15g/100g/mole)

   b)  0.15 moles CaO  (molar ratio of CaO to CaCO3 is 1:1)

   c)   8.4 grams CaO  (0.15 moles)*(56 grams/mole)

2. a)  0.274 moles Na2O  (17g/62 grams/mole)

   b)  46.6 grams NaNO3  (2 moles NaNO3/1 mole Na2O)*(0.274 moles Na2O)*(85 g/mole NaNO3)

7 0
3 years ago
Which element(s) are not balanced in this equation?
poizon [28]
The correct response is A. Only the Fe is unbalanced.
6 0
3 years ago
Please help!! <br><br> Is this an:<br><br> Acid<br><br> Base <br><br> Neither
Liono4ka [1.6K]

Answer:

it is a weak acid

acid

Explanation:

formaldehyde is a weak acid (pK greater than 13),

3 0
1 year ago
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