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aivan3 [116]
3 years ago
7

Define reactivity of metals​

Chemistry
1 answer:
pochemuha3 years ago
8 0
Reactivity metal is when a group of metal elements form recreation using acids, water.
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In general, as activation energy increases, reaction rate ________. goes down if the reaction is exothermic goes down if the rea
vova2212 [387]

Answer:

goes down regardless of whether the reaction is exothermic or endothermic

Explanation:

The activation energy is the minimum energy the reactants in a chemical reaction will have to reach in order to be transformed into products.

Hence, the higher the activation energy of a reaction, the lower the reaction rate and the lower the activation energy of a reaction, the higher the reaction rate.

Activation energy is independent of whether a reaction is exothermic or endothermic.

<em>Therefore, as activation energy increases, reaction rate goes down irrespective of whether is is exothermic or otherwise.</em>

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3 years ago
Does riding a bike with larger tires help you go faster even if you pedal at the same rate A:if the person moves faster, then th
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Answer:

Yes, bikes with larger tires help you go faster.

B: if a person rides a bike with larger tires ,then the person with move faster than on a bike with smaller tires

Explanation:

Bikes with larger wheels cover more distances in one revolution, when compared to bikes with a much smaller wheel, if the wheels are turning at the same revolution per minutes. Although more effort is put into turning a big wheel, when compared to that for a smaller wheel, but it will go faster if you can keep it spinning at the same rate as a small one.

8 0
3 years ago
A sample of xenon gas at a pressure of 1.14 atm and a temperature of 20.4 °C, occupies a volume of 16.9 liters. If the gas is al
kondor19780726 [428]

Answer:

P2= 0.696atm

Explanation:

Applying Boyle's law

P1V1= P2V2

1.14×16.9= P2× 27.7

Simplify

P2= (1.14×16.9)/27.7

P2= 0.696atm

8 0
3 years ago
Determined that all animals were mad of cells
Tpy6a [65]
Robert Hooke deterred that all animals were made of cells
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4 years ago
THIS NOT MY WORK. its for my sister. HELP HER
Stolb23 [73]

Answer:

Your answer will be b(molten material from the outer core makes its way to the surface of earth)

Explanation:

5 0
3 years ago
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