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NikAS [45]
3 years ago
9

The scientific method is the way scientists solve problems. Scientists begin to solve a problem by making _____.

Chemistry
1 answer:
swat323 years ago
5 0

Answer:

Explanation: observations

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Write the balanced equation. Then calculate the volume of 0.65 M HCl required to completely neutralize 400.0 ml of 0.88 M KOH.
Misha Larkins [42]
Hello!

The balanced equation for the neutralization of KOH is the following:

HCl(aq) + KOH(aq) → KCl(aq) + H₂O(l)

To calculate the volume of HCl required, we can apply the following equation:

 moles HCl = moles KOH \\  \\ cHCl*vHCl=cKOH*vKOH \\  \\ vHCl= \frac{cKOH*vKOH}{cHCl}= \frac{400 mL*0,88M}{0,65M}=  541,54mL

So, the required volume of HCl is 541,54 mL

Have a nice day!
8 0
3 years ago
Helium is most likely to behave as an ideal gas when it is under(1) high pressure and high temperature(2) high pressure and low
Mekhanik [1.2K]
Helium is most likely to behave as an ideal gas when it is under 2) High pressure and low temperature. 
3 0
4 years ago
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How does population density effect population growth?
Ronch [10]
Population growth decreases as the population density increases. This may be true for non-human populations but our species has developed the ability to modify the environment to sustain a huge population size.

hope this helps

IN exchange can u mark me as brainlist
7 0
4 years ago
Pak Dollah who is long-sighted forgot to bring his glasses during breakfast in a restaurant. You are required to invent a lens t
Andre45 [30]

A converging lens made from a transparent plastic bottle filled with water is used to enable Pak Dollah read the newspaper.

<h3>What is long-sightedness?</h3>

Long-sightedness is an eye effect in which objects are not able to focus on the retina but behind the retina, therefore, near objects are not clearly seen except they are placed far away.

To correct long-sightedness, a suitable converging lens is used to bring the image to focus on the retina.

To construct a converging lens for Pak Dollah, the transparent plastic bottle is filled with water to serve as a converging lens and Pal Dollah will read through it.

Therefore, a converging lens made from a transparent plastic bottle filled with water is used to enable Pak Dollah read the newspaper.

Learn more about long-sightedness at:brainly.com/question/4419161

3 0
2 years ago
If an oxygen isotope has 8 protons and 10 neutrons in its nucleus, what is its atomic mass?
Galina-37 [17]
Atomic mass = number of protons + number of neutrons
= 10 + 8 = 18

In short, Your Answer would be Option C

Hope this helps!
4 0
3 years ago
Read 2 more answers
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