All categories

2 years ago

Which gas is the most abundant greenhouse gas?

Chemistry

1 answer:

tamaranim1 [39]2 years ago

6 0

The most abundant greenhouse gas is water vapor.

You might be interested in

Is cleaning bleach a pure substance or mixture

Ray Of Light [21]

Cleaning bleach is a mixture of chemicals. pure bleach is called hypochlorite<span> and is a pure substance.

hope i helped :)</span>

4 0

2 years ago

The Lewis dot notation for two atoms is shown.

Iteru [2.4K]

Answer:

Mg donates two electrons to O

Explanation:

Lewis dot notation uses dots and crosses to represent valence electrons on atoms.

Magnesium is a metal and would donate or lose electrons during bonding.

Oxygen is a non metal and would gain electrons during bonding.

The correct option is;

Mg donates two electrons to O

5 0

2 years ago

The most reactive metals are located in which area of the periodic table?

SCORPION-xisa [38]

The answer is b.Far left

8 0

2 years ago

Three isotopes of argon occur in nature – 36 18Ar, 38 18Ar, 40 18Ar. Calculate the average atomic mass of argon to two decimal p

likoan [24]

Answer: 3) 39.96 amu

Explanation:

Mass of isotope Ar- 36 = 35.97 amu

% abundance of isotope Ar- 36= 0.337% = $\frac{0.337}{100}=3.37\times 10^{-3}$

Mass of isotope Ar- 38 = 37.96 amu

% abundance of isotope 2 = 0.063 % = $\frac{0.063}{100}=6.3\times 10^{-4}$

Mass of isotope Ar- 40 = 39.96 amu

% abundance of isotope 2 = 99.600 % = $\frac{99.600}{100}=0.996$

Formula used for average atomic mass of an element :

$\text{ Average atomic mass of an element}=\sum(\text{atomic mass of an isotopes}\times {{\text { fractional abundance}})$

$A=\sum[(35.97\times 3.37\times 10^{-3})+(37.96\times 6.3\times 10^{-4})+(39.96\times 0.996)]$

$A=39.96amu$

Therefore, the average atomic mass of argon is 39.96 amu

4 0

3 years ago

H2(g) + F2(g) → 2 HF(g) ΔH=-546 kJ

Arisa [49]

Answer: help please !!

Explanation:

4 0

2 years ago

Read 2 more answers