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aniked [119]
2 years ago
5

If you are pushing a shopping cart and you start pushing harder , what happens?

Chemistry
2 answers:
ryzh [129]2 years ago
7 0

Answer: it goes faster and faster untill you cant control the cart

Explanation:

olya-2409 [2.1K]2 years ago
4 0
The kinetic energy of the shopping cart increases. This speeds up the energy rate of friction between the wheel and the floor giving off more kinetic energy so the speed rate can increase (depending on how much your pushing it) Hope this helps :)
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To how much water should 100 ml of 18m sulfuric acid be added to prepare a 1.5m solution
SashulF [63]

Answer:

Take 100 ml of a 18 molar solution. The total number of moles is (1 liter/1000 ml) 100 ml 18 moles is 1.8 moles.

1.5 moles in 1 liter so If 1.1 liters of water is added, the total volume is 1.2 liters and 1.8 moles are dissolves in it. 1.8 moles/ 1.2 liters is 1.5 moles per liter.

5 0
3 years ago
Calculate the standard emf for the following reaction:
krek1111 [17]
In order to solve this, we need to know the standard cell potentials of the half reaction from the given overall reaction.
The half reactions with their standard cell potentials are:
<span>2ClO−3(aq) + 12H+(aq) + 10e- = Cl2(g) + 6H2O(l) 
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</span>
<span>Br(l) + 2e- = 2Br- 
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</span>
We solve for the standard emf by subtracting the standard emf of the oxidation from the reducation, so:
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4 0
3 years ago
Describe the term molarity as it relates to an acid or base.
Sidana [21]
Molarity is expressed as the number of moles of solute per volume of the solution. For example, we are given a solution of 2M NaOH this describes a solution that has 2 moles of NaOH per 1 L volume of the solution. Acids and bases can be measured through the concentrations of H+ and OH- ions in units of molarity. Hope this helps.
4 0
3 years ago
Read 2 more answers
Select the atomic models that belong to the same element.<br> Sign out<br> INTL
Allushta [10]

Answer:

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GaryK [48]

Answer: for an object or gas or liquid to float in another there must be a difference in density

Explanation:

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Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces

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