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vaieri [72.5K]
2 years ago
15

The directness of the sunlight at a specific latitude will determine the amount of solar energy that latitude receives. Please s

elect the best answer from the choices provided T F
Chemistry
1 answer:
frez [133]2 years ago
4 0

Answer:

True

Explanation:

The amount of solar energy a particular place receives is directly dependent on the directness of the sunlight. This is like this because the more direct the sunlight is , the more concentrated at smaller area it is, thus warming the area more, and the less direct the sunlight is, the more dispersed the sunlight is, and the area is heated much less. The directness of the sunlight depends on the inclination of the Earth, as well as the shape of the Earth. The inclination makes certain areas be more exposed to the sunlight in part of the year, and than be less exposed in the other part of the year. The shape of the Earth is directly influencing the angle by which the sunlight falls, the lower the latitude, the more direct the sunlight, the higher the latitude, the less direct the sunlight.

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What is the total mass of products formed when 16 grams of ch4?
AlekseyPX
When CH₄ is burnt in excess O₂ following products are formed,

                           CH₄  +  2 O₂     →     CO₂  +  2 H₂O

According to equation 1 mole of CH₄ (16 g) reacts with 2 moles of O₂ to produce 1 mole of CO₂ and 2 moles of H₂O. Hence the products are,

                          1 mole of CO₂  and  2 moles of H₂O

Converting 1 mole CO₂ to grams;
As,
                           Mass  =  Moles × M.mass

                           Mass  =  1 mol ×  44 g.mol⁻¹

                           Mass  =  40 g of CO₂

Converting 2 moles of H₂O to grams,

                           Mass  =  2 mol ×  18 g.mol⁻¹
                         
                           Mass  =  36 g of H₂O

Total grams of products;

                           Mass of CO₂  =  44 g
                    +     Mass of H₂O  =  36 g
                                                  -------------
                           Total              =   80 g of Product

Result:
            80 grams of product
is formed when 16 grams of CH₄ is burnt in excess of Oxygen.
3 0
3 years ago
Need help ASAP with this question
Karo-lina-s [1.5K]

Answer: noble gasses

Explanation: zoom on on the red section and look at the key for what red means.

8 0
2 years ago
How many sig figs are in 0.00205kg
fiasKO [112]
It’s 20500000, here are some extras if u need

4 0
3 years ago
Read 2 more answers
Based on the periodic table, which of the following elements has properties most like neon’s?
ohaa [14]

Answer:

<h2>D. Krypton (Kr)</h2>

<u>Explanation:</u>

because

Neon and Krypton, both are belongs to Inert or Noble gas Group

3 0
2 years ago
Read 2 more answers
If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50
tangare [24]

Answer:

87.5 mi/hr

Explanation:

Because a = Δv / Δt (a = vf - vi/ Δt), we need to find the acceleration first to know the change in velocity so we can determine the final velocity.

vf = 60 mi/hr

vi = 0 mi/hr

Δt = 8 secs

a = vf - vi/ Δt

= 60 mi/hr - 0 mi/hr/ 8 secs

= 60 mi/hr / 8 secs

= 7.5 mi/hr^2

Now that we know the acceleration of the car is 7. 5 mi/hr^2, we can substitute it in the acceleration formula to find the final velocity when the initial velocity is 50 mi/hr after 5 secs.

vi = 50 mi/ hr

Δt = 5 secs

a = 7.5 mi/ hr^2

a = vf - vi/ Δt

7.5 = vf - 50 mi/hr / 5 secs

37.5 = vf - 50

87.5 mi/ hr = vf

7 0
3 years ago
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