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Vanyuwa [196]
3 years ago
11

Question 4

Chemistry
1 answer:
nata0808 [166]3 years ago
3 0

Answer:

A. She can run the same distance in a shorter amount of time.

Explanation:

Speed can be computed with the formula:

v = \dfrac{d}{t}

Where:

v = speed

d = distance

t = time

So if you look at the formula, distance there tells you how far an object has traveled, and the time tells us how long it took to cover that distance. As you can see, speed and time are <u>inversely proportional. </u>This means that as one goes up, the other goes down. So if we reduce time travelling a certain distance, the speed increases.

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When two ionic compounds are dissolved in water, a double replacement reaction can... Group of answer choices occur if two of th
sergey [27]

Answer:

occur if two of the ions form an insoluble ionic compound, which precipitates out of solution

Explanation:

When two ionic compounds are dissolved in water, a double replacement reaction takes place if two of the ions form an insoluble ionic compound, which precipitates out of solution. In double displacement reaction ions switch partners. And hence, produce an insoluble precipitate.

5 0
3 years ago
Is 5O2 a Element or Compound?
N76 [4]
5o2 is a Compound not an element
6 0
3 years ago
A sample of gas has a volume of 12.0L and a pressure of 2.00 atm. If the pressure of gas is increased to 6.00 atm, what is the n
prisoha [69]

Answer:

B; 4 L

Explanation:

From the Boyle’s law of gases, the volume occupied by a given mass of gas is inversely proportional to the pressure exerted by the gas

Mathematically, we have this as;

PV = K

Given;

P1 = 2 atm

V1 = 12 l

P2 = 6 atm

V2 = ?

We have that;

P1V1 = P2V2

2 * 12 = 6 * V2

V2 = (2 * 12)/6

V2 = 24/6

V2 = 4 L

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csf%20%7B%20%5Cfcolorbox%7Bgreen%7D%7Bg%7D%7BExplain%20how%20diffusion%20occurs%20in%20gases
Vinil7 [7]

Answer:

hope it helps...........

5 0
3 years ago
Read 2 more answers
Which of the following would likely be part of an ionic bond? Choose all that apply.
Setler [38]
Hello!

K⁺ and F⁻ are the more likely to form an ionic bond.

Ionic bonds are the result of the electrostatic attraction between positive and negative ions (charged atoms). Of the listed substances, the ones that are charged are K⁺ and F⁻, so they are the ones that will form ionic bonds. Some ionic substances made from K⁺ include KCl (used in fertilizers) and some ionic substances made from F⁻ include NaF (used in dental therapy). 

Have a nice day!
3 0
3 years ago
Read 2 more answers
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