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2 years ago

13

I. Choose the letter of the correct answer. Write your answer on a separate sheet of paper.

1 answer:

omeli [17]2 years ago

6 0

Answer:

,,,

Explanation:

..

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What phenomenon does the Coriolis effect arise from making it so we see more than two large convection cells on Earth? Curvature

vredina [299]

Answer:

The Coriolis effect is caused by the rotation of the earth around its own axis.

Explanation:

The Coriolis effect arises from the fact that different latitudes of the earth's surface rotate at different speeds. The path of wind on earth is deflected by the Coriolis effect. As things move over the earth, they meet different speed areas, which causes the Coriolis Effect to divert their route.

Thus, The Coriolis effect is caused by the rotation of the earth around its own axis.

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3 years ago

The box in the above picture is falling from the top of a building to the ground. Two major forces are acting on the box as it f

MAVERICK [17]

Answer:

I think it's B

Explanation:

apologies if I get this wrong

8 0

3 years ago

Read 2 more answers

The enthalpy of fusion of solid n-butane is 4.66 kJ/mol. Calculate the energy required to melt 58.3 g of solid n-butane.

adelina 88 [10]

Answer : The energy required to melt 58.3 g of solid n-butane is, 4.66 kJ

Explanation :

First we have to calculate the moles of n-butane.

$\text{Moles of n-butane}=\frac{\text{Mass of n-butane}}{\text{Molar mass of n-butane}}$

Given:

Molar mass of n-butane = 58.12 g/mole

Mass of n-butane = 58.3 g

Now put all the given values in the above expression, we get:

$\text{Moles of n-butane}=\frac{58.3g}{58.12g/mol}=1.00mol$

Now we have to calculate the energy required.

$Q=\frac{\Delta H}{n}$

where,

Q = energy required

$\Delta H$ = enthalpy of fusion of solid n-butane = 4.66 kJ/mol

n = moles = 1.00 mol

Now put all the given values in the above expression, we get:

$Q=\frac{4.66kJ/mol}{1.00mol}=4.66kJ$

Thus, the energy required to melt 58.3 g of solid n-butane is, 4.66 kJ

7 0

3 years ago

What was Fredrick Hoyle trying to find out?

joja [24]

Answer:

Hoyle believed that as new matter forms,

6 0

3 years ago

Hot air at 80°C is blown over a 2-m by> on0 4-m flat surface at 30°C. If the average? convection heat transfer coefficient va

mars1129 [50]

Explanation:

The given data is as follows.

$T_{air} = 80 ^{o}C$ , $T_{surface} = 30 ^{o}C$

Area of the flat plate is 2 × 4 = 8 $m^{2}$ .

Average convection heat transfer coefficient $(h_(avg))$ = $\frac{(20 + 100) W/m^{2} ^{o}C}{2}$ = $60 W/m^{2} ^{o}C}$ .

Hence, formula to calculate heat transfer through convection from air to the water is given as follows.

q = $h_{avg} \times A_{surface} \times (T_{air} - T_{surface})$

= $60 W/m^{2} ^{o}C} \times 8 m^{2} \times [(80 - 30)]^{o}C$

= 24000 W

or, = 24 kW

Hence, the direction of heat flow is from air to the surface.

Thus, we can conclude that transfer of heat is 24 kW.

7 0

3 years ago