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tresset_1 [31]
3 years ago
8

The moon cannot be seen during which phase?

Chemistry
2 answers:
ycow [4]3 years ago
8 0
New moon is the phase in which it cannot be seen
Andrews [41]3 years ago
3 0
New Moon. The Moon's unilluminated side is facing the Earth. The Moon is not visible except during a solar eclipse. The lighted side of the Moon faces away from the Earth. This means that the Sun, Earth, and Moon are almost in a straight line, with the Moon in between the Sun and the Earth.
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Numbers in scientific notation must be expressed in this form m times 10^n where
enot [183]

Answer:

Hi there I think the awnser is B. or A. lol but im 90% its A.

Explanation:

xoxo hope this helps

hugs and kisses also your pfp is hella cute:)

7 0
2 years ago
A dehydration reaction (or condensation reaction) is the process in which _____.
Alja [10]
A. The bonds between the individual monomers of a polymer are broken by the addition of water molecules.
6 0
4 years ago
A solution is made by mixing 37.g of thiophene C4H4S and 72.g of heptane C7H16. Calculate the mole fraction of thiophene in this
guajiro [1.7K]

Answer:

0.38

Explanation:

Molar mass of thiophene= 84g/mol

Mass of thiophene = 37g

Number of moles= 37/84= 0.44 moles

Molar mass of heptane= 100 g/mol

Mass of heptane = 72g

Number of moles = 72/100= 0.72 moles

Total number of moles= 0.44 + 0.72= 1.16 moles

mole fraction of thiophene = 0.44/1.16= 0.38

4 0
3 years ago
Find the [H+] in an acetic acid solution that has a pH of 5.12
Eva8 [605]
<span>Data:
pH = 5.2
[H+] = ?

Knowing that: (</span><span>Equation to find the pH of a solution)</span>
pH = -log[H+]
<span>
Solving:
</span>pH = -log[H+]
5.2 = - log [H+]
Knowing that the exponential is the opposite operation of the logarithm, then we have:
[H+] = 10^{-5.2}
\boxed{\boxed{[H+] = 6.30*10^{-6}}}\end{array}}\qquad\quad\checkmark
3 0
3 years ago
Can you help me plz will mark brainlyiest
alexira [117]

Answer:

I would help but the picture will not load for me :(

Explanation:

6 0
3 years ago
Read 2 more answers
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