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Alika [10]
4 years ago
14

How can chemical changes be detected

Chemistry
1 answer:
saul85 [17]4 years ago
7 0
Rarely they can't with just sight. Certain tests or experiments should take place
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Why does water have the highest intermolecular forces
neonofarm [45]

Answer:

Water has polar O-H bonds. The negative O atoms attract the positive H atoms in nearby molecules, leading to the unusually strong type of dipole-dipole force called a hydrogen bond.

Explanation:

8 0
3 years ago
. <br> If the Moon orbited Earth twice as fast, how many high tides would occur in one day?
Ahat [919]

Because the Earth rotates through two tidal “bulges” every lunar day, coastal areas experience two high and two low tides every 24 hours and 50 minutes. ... This occurs because the moon revolves around the Earth in the same direction that the Earth is rotating on its axis.

3 0
3 years ago
Weathering is when there is a chemical transformation of rock into other compounds.
Mademuasel [1]
False, weathering is to wear away or change the appearance or texture of (something) by long exposure to the air.
6 0
4 years ago
What substance is not soluble in water, is derived from animal-based foods and synthesized by the body, and while circulating in
erma4kov [3.2K]

Answer:

D) saturated fat

Explanation:

Saturated fat -

It is a form of fat , where saturation is present , i.e. , presence of single bonds , it is a type of very unhealthy fat .

Butter , red meat , coconut oils and palm are rich in saturated fat , and are mostly in solid state at room temperature .

These fats often tends to be collected in the walls of arteries , and ,  can act as a restriction to the flow of blood .

Hence , the correct option for the given information of the question is saturated fat .

5 0
3 years ago
How many atoms are in a sample of 175 grams of sodium (na)? 1.42 × 10^27 atoms 4.58 × 10^24 atoms 6.68 × 10^-21 atoms 1.26 × 10^
Alenkasestr [34]
Atomic mass Na = 22.99 u.m.a

22.99 g ------------------ 6.02x10²³ atoms
175 g -------------------- ?? atoms

175 x (6.02x10²³) / 22.99 => 4.58x10²⁴ atoms

hope this helps!
5 0
4 years ago
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