Think about what you know about science today. How do you think scientific knowledge will be different in 100 years?

Chemistry

1 answer:

algol [13]4 years ago

3 0

Answer:

I think we will know a lot more about the universe and the things around us. We may also know a lot more about other planets, such as Mars and Saturn, and we might also know a lot more about other stars in the universe.

Explanation:

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While out on a hike, you find an unknown mineral. How would you test the mineral to find out what it is?

Mashcka [7]

Probably look up the descriptions of the element and see if it matches the mineral.

5 0

3 years ago

I need help! What arrange these elements in order of increasing density: gallium, germanium arsenic

solong [7]

Answer:

germanium -5.5g/cm^3

arsenic -5.73g/cm^3

gallium -5.91g/cm^3

Explanation:

I hope I helped

3 0

2 years ago

Which reaction illustrates the conservation of matter during a redox reaction

Jet001 [13]

<span>This question is simple, answers are D and C respectively</span>

6 0

3 years ago

What sort of nucleophile does NADH supply?

Elden [556K]

Answer:

Hydride ion

Explanation:

You often see the reduction with NADH written as

NADH ⟶ NAD⁺ + H⁺ + 2e⁻

If you think about it, H⁺ + 2e⁻ is equivalent to H:⁻, so we could write the reaction as

NADH ⟶ NAD⁺ + H:⁻

In terms of a mechanism, the dihydropyridine ring of NADH transfers a hydrogen atom with its pair of electrons (a hydride ion) to the substrate and becomes the more stable, aromatic pyridinium ion in NAD⁺.