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MArishka [77]
3 years ago
7

The main difference between gases and liquids is that in gases A.the molecules are moving faster b.the forces between molecules

are greater c.the distance between molecules are greater d.the molecules collide more frequently
Chemistry
1 answer:
mestny [16]3 years ago
3 0
I believe the answer would be A
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Given an initial cyclopropane concentration of 0.00560 m, calculate the concentration of cyclopropane that remains after 1.50 ho
maria [59]

<span>We can solve this problem by assuming that the decay of cyclopropane follows a 1st order rate of reaction. So that the equation for decay follows the expression:</span>

A = Ao e^(- k t) 

Where,

A = amount remaining at time t = unknown (what to solve for) <span>
Ao = amount at time zero = 0.00560 M </span><span>
<span>k = rate constant
t = time = 1.50 hours or 5400 s </span></span>

The rate constant should be given in the problem which I think you forgot to include. For the sake of calculation, I will assume a rate constant which I found in other sources:

k = 5.29× 10^–4 s–1                     (plug in the correct k value)

<span>Plugging in the values in the 1st equation:</span>

A = 0.00560 M * e^(-5.29 × 10^–4 s–1 * 5400 s )

A = 3.218 <span>× 10^–4 M           (simplify as necessary)</span>

8 0
3 years ago
The international treaty which provides operational rules on reducing greenhouse gas emissions is called:______
Ierofanga [76]

Answer:

Paris climate agreement of 2015

Explanation:

In the year 2015, global leaders seeking to join forces to combat the ever increasing emissions of green house gases which is having a bad influence on our prevailing world climate met in Paris in 2015, although the treaty became effective in the year 2016.

There are 195 signatories to the treaty. The Paris Agreement's long-term temperature goal is to keep the increase in global average temperature to well below 2 °C above pre-industrial levels; and to pursue efforts to limit the increase to 1.5 °C, recognizing that this would substantially reduce the risks and impacts of climate change.

6 0
3 years ago
How is the tempature related to phsyical change
Maksim231197 [3]
A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

Hopefully that helps you ❤
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3 years ago
Why do (or can) your muscles hurt after a good workout
Anna71 [15]

Answer:

option C.there is an accumulation of carbon dioxide.

Explanation:

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What does it mean to say that science is a “systematic” process?
adoni [48]

Answer: Science is a precise interaction, which implies it follows a cautious technique that includes perception and experimentation. Through experimentation, data is gathered that upholds or disproves a researcher's theory. ... Science is upheld by realities and cycles.

Explanation:

5 0
3 years ago
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