The values of the coefficients would be 4, 5, 4, and 6 respectively.
Balancing chemical equationsThe equation of the reaction can be represented by the following chemical equation:
ammonia (g) + oxygen (g) ---> nitrogen monoxide (g) + water (g)
[tex]4NH_3(g)[/tex] + [tex]5O_2(g)[/tex] ---> [tex]4NO(g)[/tex] + [tex]6H_2O(g)[/tex]
Thus, the coefficient of ammonia will be 4, that of oxygen will be 5, that of nitrogen monoxide will be 4, and that of water will be 6.
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Why is nickel more reactive than copper
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Why is nickel more reactive then copper?
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If we notice in reactivity series of metal, we can observe that the metals which are listed above have more reactivity then those in downwards.
And, if we notice carefully we can see that nickel is above copper, which nickel is more reactive then copper.
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what coefficient would fall before the formula "KO₂"?
KO2 + CO2 →→ K₂CO3 + 02
Answer:
what is matter the be use
If a jet's cruising altitude is 32,200 ft (to three significant figures), this distance in km is: (1 mile = 1.61 km; 1 mile = 5280 ft)
If a jet's cruising altitude is 32,200 ft (to three significant figures), this distance in km is 9.82 km.
What are significant figures?Significant figures are the number of digits in a value, often a measurement, that contributes to the degree of accuracy of the value. We start counting significant figures at the first non-zero digit.
In this case, given the conversion factors from miles to kilometres and from miles to feet, we can directly compute the jet’s cruising altitude in kilometres as shown below:
[tex]32200 ft X \frac{1 mile}{5280 ft} X \frac{1.61km}{1 mile}[/tex]
=9.82 km
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What is the sun‘s life cycle
sun‘s life cycle
1. nebula
2. protostar
3. sequence star (sun is this currently)
4. red giant
5. white dwarf
6. black dwarf
bigger stars
1. nebula
2. protostar
3. sequence star
4. red super giant
5. supernova
6a. black hole
or
6b. neutron star
Sun was a protostar
is currently a main sequence star
will remain so for another 4-5 billion years.
It will then expand and cool to become a red giant
after which it will shrink and heat up again to become a white dwarf
The white dwarf star will run out of nuclear fuel and
slowly cool down over many billions of years
black dwarf
BBC
https://www.bbc.co.uk/bitesize/guides/zwv8xfr/revision/1
Start four fundamental laws of chemical Combinations and the scientist that stated each below (1) Law of Conseriation of mass (2) Law of Definite proporsionis (3)Law of multiple proportions (4)Law of reciprocal propertion
Explanation:
Law of conservation of matter/mass
the law of conservation of mass states that matter cannot be created nor destroyed but can be changed from one form to another.
by Antoine Lavoisier
Law of multiple proportions
the law of multiple proportions states that if two elements, A and B combine to form more than one chemical compound, the various masses of element A, which combine separately with a fixed mass of the other element B are in simple multiple ratios.
by chemist John Dalton
Law of reciprocal proportion
the law of reciprocal proportion states that the masses of several elements A, B, C
which combine separately with a fixed mass of another element D are the same as or simple multiples of, the masses in which A, B, and C themselves combine.
by Jeremias Richter
Law of definite proportions
the law of definite proportions states that all pure samples of a particular chemical combined contain similar elements combined in the same proportion by mass.
by Joseph Proust
