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Ad libitum [116K]
3 years ago
11

Is true about how hydrogen and oxygen can combine to form molecules?

Chemistry
2 answers:
Svetradugi [14.3K]3 years ago
7 0
Yes it is true that is right
quester [9]3 years ago
5 0
Yes, it is true.

One of the more common molecules on this earth is actually made up of one oxygen and two hydrogen atoms, and that is water, or H2O.
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5. A sample of gas occupies 1.55 L at 27 degrees Celsius and 1.00 atm pressure. What will the volume be if the pressure is incre
Sergio039 [100]

Answer:

The volume will be 0.031 L

Explanation:

Since temperature is constant, Boyle's law is applied in this case.

Boyle's law States that at constant temperature, the volume of a given mass of a gas is inversely proportional to it's pressure.

From this statement it was deduced that P1V1 = P2V2

From the question, P1 = 1atm, V1 = 1.55L, P2 = 50 atm and V2 is to be calculated.

V2 = P1V1/P2

= 1×1.55÷50

=0.031 L

5 0
3 years ago
What is the name of the phase where stars live out most of their lives?
lisov135 [29]
The correct option is B. 
Stars live out most of their lives at MAIN SEQUENCE. Stars generally are divided into three major stages, these are:
1. Pro stars and pre-main sequence star
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3. Variable stars
Major stages in the life of a star can last for millions of years.

8 0
4 years ago
Blocks on the periodic table will not list a(n):
Elis [28]

Blocks on the periodic table will not list a mass number of elements in this scenario.

<h3>What is Periodic table?</h3>

This table comprises of elements in order of their atomic number which determines their chemical properties.

It contains the atomic number but however doesn't contain the mass number of the elements.

Read more about Periodic table here brainly.com/question/15987580
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4 0
2 years ago
What is a half-life in Chemistry?
makvit [3.9K]

Answer:

half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive ...

Explanation:

braniest

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3 years ago
Under which conditions (in terms of kinetic energy) does boiling occur? How is the kinetic energy in the liquid increased?
Simora [160]

Explanation:

Boiling is defined as a process in which vapor pressure of a liquid substance becomes equal to the atmospheric pressure.

During this change liquid and vapors remain in equilibrium and the equation for this change is as follows.

            X(l) \rightleftharpoons X(g)

Therefore, when boiling takes place then average kinetic energy of particles in liquid phase equals to the average kinetic energy of particles in vapor phase.

Hence, we can increase the kinetic energy of particles in liquid phase by increasing the temperature because kinetic energy is directly proportional to temperature as follows.

                       K.E = \frac{3}{2}kT

5 0
4 years ago
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