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3 years ago

Which of these most likely causes a total solar eclipse?

Chemistry

2 answers:

givi [52]3 years ago

8 0

B
Sorry if I am wrong

Troyanec [42]3 years ago

6 0

Answer:

d. the new moon at perigee coming between Earth and the sun along a straight line

Explanation:

Solar eclipse occurs when moon comes in between sun and Earth and the three align in a straight line. The moon blocks the sunlight falling on the earth. The earth passes through the shadow of the moon.This phase of moon is New moon.

A total eclipse is said to occur when the disc of moon complete covers the disc of sun. This happens when moon is at closest position to earth in it orbit that is at perigee.

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If 10.0 g water at 0.0°C is mixed with 20.0 g of water at 30.0°C what is the final temperature of the mixture?

Bond [772]

Answer:

1.67 gradius Celcius

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

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3 years ago

Chemistry and physics are so closely related that sometimes the fields overlap. Which of the following experiments might both ch

andrew11 [14]

What are the choices?

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3 years ago

Read 2 more answers

Which of the following acids is in household vinegar? A nitric acid hydrochloric acid C fluoric acid D acetic acid

Free_Kalibri [48]

Answer: Out of the given options acetic acid is in household vinegar.

Explanation:

Household vinegar is the one that is commonly used in our home while cooking a number of dishes.

The common name of vinegar is acetic acid and its chemical formula is $CH_{3}COOH$ .

For example, vinegar (acetic acid) is used while making noodles.

Thus, we can conclude that out of the given options acetic acid is in household vinegar.

7 0

3 years ago

In asparagine, determine the maximum number of hydrogen bonds that each o, n , or h atom can make to a water molecule. (consider

Mkey [24]

A Hydrogen bond will stablish between the protons of the water and the free electron pairs of the electronegative atoms on asparagine, so:

a) can make up to 2 hydrogen bonds, since it has 2 free electron pairs.

b) can make up to 3 hydrogen bonds, since the negative charge makes up for 1 free electron pair aditional to the 2 oxygen already has.

c) can make up to 1 hydrogen bond, since it has 1 free electron pair.

d) since they have no free electron pairs, they cannot establish hydrogen bonds.

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3 years ago

If a neutral atom becomes negatively charged, it has undergone _________.

ycow [4]

<span>If a neutral atom becomes negatively charged, it has undergone reduction.

Reduction is the process through which a neutral atom gain an electron (thus reducing its oxidation number) and turns into a negative ion (also known as : anion)</span>

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3 years ago