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3 years ago

how does the tilt of earths axis affect the number of daylight hours and the temperature of a location on earth ?

2 answers:

6 0

The tilt of Earth axis is responsible for a season change. Those areas that are tilted toward the sun, get more sunlight and have more daylight hours, so the temperature is higher. And vice versa, those areas tilted away from the sun get less sunlight and have fewer daylight hours. For instance, when the Southern hemisphere is tilted towards the sun and the Northern hemisphere is tilted away from the sun, this leads to summer in the Southern hemisphere and winter in the Northern hemisphere.

vredina [299]3 years ago

6 0

The tilt of Earth axis is responsible for a season change. Those areas that are tilted toward the sun, get more sunlight and have more daylight hours, so the temperature is higher. And vice versa, those areas tilted away from the sun get less sunlight and have fewer daylight hours. For instance, when the Southern hemisphere is tilted towards the sun and the Northern hemisphere is tilted away from the sun, this leads to summer in the Southern hemisphere and winter in the Northern hemisphere.

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Sergio [31]

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3 years ago

Read 2 more answers

How many moles of N are in .235g of N2O

makkiz [27]

Given the molar mass of Nitrogen is 14.01g/mol you can use that to solve for the moles of nitrogen.
0.235g(1mol/14.01g) = .0168 moles.

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4 years ago

Calculate the pH of the following simple solutions:

IceJOKER [234]

Answer :

(1) pH = 1.27

(2) pH = 13.35

(3) The given solution is not a buffer.

Explanation :

(1) 53.1 mM HCl

Concentration of HCl = $53.1mM=53.1\times 10^{-3}M$

As HCl is a strong acid. So, it dissociates completely to give hydrogen ion and chloride ion.

So, Concentration of hydrogen ion= $53.1\times 10^{-3}M$

pH : It is defined as the negative logarithm of hydrogen ion concentration.

$pH=-\log [H^+]$

$pH=-\log (53.1\times 10^{-3})$

$pH=1.27$

(2) 0.223 M KOH

Concentration of KOH = 0.223 M

As KOH is a strong base. So, it dissociates completely to give hydroxide ion and potassium ion.

So, Concentration of hydroxide ion= 0.223 M

Now we have to calculate the pOH.

$pOH=-\log [OH^-]$

$pOH=-\log (0.223)$

$pOH=0.65$

Now we have to calculate the pH.

$pH+pOH=14\\\\pH=14-pOH\\\\pH=14-0.65=13.35$

(3) 53.1 mM HCl + 0.223 M KOH

Buffer : It is defined as a solution that maintain the pH of the solution by adding the small amount of acid or a base.

It is not a buffer because HCl is a strong acid and KOH is a strong base. Both dissociates completely.

As we know that the pH of strong acid and strong base solution is always 7.

So, the given solution is not a buffer.

5 0

3 years ago

What is the compound name to C5H6?

Masja [62]

What you know about rollin' down in the deep?

When your brain goes numb, you can call that mental freeze

When these people talk too much, put that stuff in slow motion, yeah

I feel like an astronaut in the ocean, ayy

3 0

3 years ago

Read 2 more answers

5.36 liters of nitrogen gas are at STP. What would be the new volume if we increased the moles from 3.5 moles to 6.0 moles?

Aleksandr [31]

Answer:

$V_2=9.20L$

Explanation:

Hello there!

In this case, according to the given STP (standard pressure and temperature), it is possible for us to realize that the equation to use here is the Avogadro's law as a directly proportional relationship between moles and volume:

$\frac{V_2}{n_2}= \frac{V_1}{n_1}$

In such a way, given the initial volume and both initial and final moles, we can easily compute the final volume as shown below:

$V_2= \frac{V_1n_2}{n_1} \\\\V_2=\frac{5.36L*6.0mol}{3.5mol}\\\\V_2=9.20L$

Best regards!

3 0

3 years ago