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sergejj [24]
3 years ago
7

HELP! 10 pts!! || Which does NOT describe a water molecule?

Chemistry
1 answer:
AVprozaik [17]3 years ago
5 0

Answer:

C.)

Explanation:

Hope this helps:)

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If distance, d, is proportional to time, t, and at time t =2.00 seconds, the distance is 6.20 m, find the distance when t = 3.50
Allushta [10]
At 3.5s the distance would be 10.85

Find 1/4th of 2.00 and add that to 6.2
5 0
3 years ago
Which statement best describes a physical change?
Inga [223]

Answer:  3 Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same

Explanation:

Physical change mainly physical properties of a substance while the chemical changes remain unchanged. Once there is a change to the chemistry of the substance, this would be classified as a chemical change.

8 0
3 years ago
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What part of a refracting telescope would you measure to find the aperture? *
andrezito [222]

Answer:

Objective

Optics

For an optical instrument, the aperture is the diameter of the objective lens (refracting telescope) or the primary mirror (reflecting telescope). The larger the aperture, the more light the telescope can gather, and the fainter the limiting magnitude of the instrument.

Explanation:

6 0
3 years ago
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Question 2*
Paraphin [41]

Answer:

Sc(OH)₃ = 96 g/mol

Explanation:

Gram formula mass:

Gram formula mass is the atomic mass of one mole of any substance.

It can be calculated by adding the mass of each atoms present in substance.

Sc(OH)₃:

Atomic mass of Sc = 45 amu

Atomic mas of O = 16 amu

There are three atoms of O = 16 ×3

Atomic mas of H = 1 amu

There are three atoms of H = 1 ×3

Gram formula mass of Sc(OH)₃:

Sc(OH)₃ = 45 ×1 + 16 ×3 + 1  ×3

Sc(OH)₃ = 96 g/mol

6 0
3 years ago
How many moles of atoms are in 7.00 g of carbon 13 a b c d?
EastWind [94]
<span>7/13 moles because a mole is one gram times the molecular weight. </span>
4 0
3 years ago
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