To separate a mixture of hard candies and marbles, the most efficient method would be

2 answers:

6 0

I believe handpicking is the most efficient method for this situation. Alternatively, you could melt the candies with the marbles. The hard candy will liquefy faster. Once melted, the marbles remain solid while the candies turn into liquid. You can then use a net to strain the mixture, allowing the candy to flow through while trapping the marbles.

eduard [2.7K]1 month ago

5 0

To separate the marbles trapped in the candies, boil the candies in water until they melt, then place a strainer in the sink and run cold water beforehand and for two minutes afterward. This prevents damage to the plumbing as you drain the mixture into the strainer.

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Which of the options below show typical bonding patterns for a neutral nitrogen atom in a molecule or polyatomic ion?

alisha [2963]

More information is needed, but in general, a polyatomic ion consists of multiple atoms bonded together, often with instability that affects their bonding patterns.

7 0

3 months ago

Sodium only has one naturally occuring isotope, 23 Na , with a relative atomic mass of 22.9898 u . A synthetic, radioactive isot

KiRa [2933]

Answer:

The mass of 22-Na included in the sample amounts to 0.0599 g

Explanation:

The total mass of the isotope mixture is 1.8385g.

It has an apparent mass of 22.9573 u.

For 23-Na, the relative atomic mass is 22.9898 u, while for 22-Na it is 21.9944 u.

Let the relative abundance of 23-Na be denoted as X.

This means that the relative abundance of 22-Na can be expressed as (1-X).

The equation formed is 21.9944 (1-X) + 22.9898 X = 22.9573.

Rearranging gives: 21.9944 - 21.9944X + 22.9898X = 22.9573.

Which simplifies to 22.9898X - 21.9944X = 22.9573 - 21.9944.

Hence, 0.9954X = 0.9639, leading to X = 0.9674.

The relative abundance of 23-Na is now identified as 0.9674.

Consequently, the relative abundance of 22-Na is 1 - 0.9674 = 0.0326.

Now, the mass of 22-Na contained within the 1.8385g sample is determined by

Relative abundance of 22-Na multiplied by the mass of the total sample = 0.0326 × 1.8385g = 0.0599 g.

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3 months ago

Explain using the particles theory what happens when steam in the bathroom hits a cold surface such as a mirror

eduard [2782]

<span>The condensation on the mirror occurs when water vapor contacts a chillier surface. When you let cold water run, the surroundings become cooler. Consequently, the steam generated from the hot shower primarily condenses nearby and doesn’t reach the mirror.</span>

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