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3 years ago

No copying from google what is a penumbra solar eclipse?

Chemistry

1 answer:

r-ruslan [8.4K]3 years ago

7 0

Answer:

Hi there!

Your answer is:

In a solar eclipse, we see two types of shadows. One is the "umbra" or the darkest shadow caused by the sun. It's located in the center.

The "penumbra" in a solar eclipse is the shadow that's lighter and located on the sides of the earth. Think about it like this:

The sun and earth are in line. The darkest shadow will continue in that line. That is the umbra. The penumbra continues directly on the outside of the umbra. It's lighter that the other shadow!

A penumbra solar eclipse is when the sun, moon, and earth DONT align properly. This causes a partial eclipse, not a full eclipse. A penumbra solar eclipse is a Partial solar eclipse.

Hope this helps! To be clear, none of this is copied. This is based off of my previous knowledge on the subject and interest in phenomena such as these!

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A certain flexible weather balloon contains 3.5 L of helium gas. Initially, the balloon is in WP at 8500ft, where the temperatur

Advocard [28]

Answer:

$\large \boxed{\text{3.9 L}}$

Explanation:

We can use the Combined Gas Laws to solve this problem

$\dfrac{p_{1}V_{1} }{T_{1}} = \dfrac{p_{2}V_{2}}{T_{2}}$

Data

p₁ = 571.2 Torr; p₂ = 400 Torr

V₁ = 3.5 L; V₂ = ?

T₁ = 21.5 °C; T₂ = 6.8 °C

Calculations

(a) Convert the temperatures to kelvins

T₁ = (21.55 + 273.15) K = 294.70 K

T₂ = (6.8 + 273.15) K = 279.95 K

(b) Calculate the new volume

$\begin{array}{rcl}\dfrac{p_{1}V_{1} }{T_{1}} & = & \dfrac{p_{2}V_{2}}{T_{2}}\\\\\dfrac{\text{571.2 Torr $\times$ 3.5 L}}{\text{294.65 K}} & = & \dfrac{\text{400 Torr} \times V_{2}}{\text{279.95 K}}\\\\\text{6.78 L} & = & \text{1.429V}_{2}\\\\V_{2} & = & \textbf{4.7 L}\\\end{array}\\\text{The new volume of the balloon is $\large \boxed{\textbf{4.7 L}}$}$

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3 years ago

Read 2 more answers

Only a small portion of the organisms that lived in the geologic past have been preserved as fossils. Which condition best incre

lyudmila [28]

It will either be B or D, but I don't know about burial.

6 0

3 years ago

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What is the mass in grams of 366mL of ethylene glycol

pshichka [43]

Answer:

$m=406.26g$

Explanation:

Hello,

In this case, since the density is defined as the degree of compactness of a substance and it mathematically defined as the ratio of the mass and volume:

$\rho = \frac{m}{V}$

By knowing that its density is 1.11 g/mL, the mass in 366 mL is:

$m=\rho V=366mL*1.11\frac{g}{mL}\\ \\m=406.26g$

Regards.

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4 years ago

Given a force of 100.00 N and an acceleration of 5 m/s2, what is the mass of the object?

melisa1 [442]

Answer:

Explanation:

The mass of the object can be found by using the formula

$m = \frac{f}{a} \\$

f is the force

a is the acceleration

From the question we have

$m = \frac{100}{5} = 20 \\$

We have the final answer as

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3 years ago

Calculate the number of atoms of copper represented by 127.08 g of copper.

frosja888 [35]

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4 years ago