How can air quality be fine on one day and hazardous on the next? What

Chemistry

1 answer:

Mice21 [21]3 years ago

3 0

Answer:

Air Current

Explanation:

Say I am in California and there is a massive fire next to me but not close enough to me to really see the fire and the next day I see no fire but theres a ton of ash in the sky, this can be due to the wind current taking the smoke from the fire into my direction and that smoke falling in my area. So basically a wind current can take the smoke from a fire into another destination and cause a rapid change in air quality in a day.

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Cl2 + H2 + 2HCI

Cloud [144]

Answer:

1 and 2

Explanation:

The given equation is:

Cl₂ + H₂ → 2HCl

A coefficient is the variable or number before a chemical specie.

In this reaction Cl₂ and H₂ are the reactants;

The coefficient of Cl₂ is 1,

H₂ is 1,

HCl is 2

The subscript is the number to the lower power after a chemical specie is denoted.

For Cl₂, it is 2

6 0

3 years ago

snow_tiger [21]

There are 1,000m is 1k. So just move the decimal one position right. 127.56m

There are 10,000cm in 1k. Move the decimal two positions right. 1275.6cm

5 0

4 years ago

the barometric pressure in breckenridge colorado is (elevation 9600 frleet) is 580 mmhg. how many atmospheres is there

solmaris [256]

Answer:

$\large \boxed{\text{0.763 atm}}$

Explanation:

1 atm = 760 mmHg

$\text{Pressure} = \text{580 mmHg} \times \dfrac{\text{1 atm}}{\text{760 mmHg}} = \textbf{0.763 atm}\\\\\text{The atmospheric pressure in Breckenridge is $\large \boxed{\textbf{0.763 atm}}$}$