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Taya2010 [7]
3 years ago
9

How does the percent of salt and sand from the beginning compared to the same percentage after performing the experiment?​

Chemistry
1 answer:
Bogdan [553]3 years ago
8 0

Answer:Since sand is not water-soluble, if the sand and salt mixture is mixed with water, the salt will dissolve and the sand won't.

Explanation:

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An archeologist finds a 1.62 kg goblet that she believes to be made of pure gold. She determines that the volume of the goblet i
maxonik [38]
Density (d) which is the quotient when mass (m) is divided by volume (v) is usually reported in terms of g/mL. 
                                  d = m /v
Substituting the known values,
                                d = (1.62 kg) x (1000 g/ 1 kg) / (205 mL)
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3 0
4 years ago
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What metalloid has commonly been used as an insecticide due<br> to its effectiveness as a poison.
Taya2010 [7]

Answer:

Arsenic.

Explanation:

Hello there!

In this case, since insecticides are substances that act as poisons to get rid of insects in order to prevent their presence and/or reproduction in houses, companies, crops and others, a substance that has been widely used is the metalloid arsenic due to its direct affection of the insect's body (movement, performance, cellular functions).

In addition, high levels of arsenic in food could cause arsenic poisoning in humans as well, that is why such practice must be properly performed and by using the correct security protocol.

Best regards!

5 0
3 years ago
What will happen to an object
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If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume. If two objects take up the same volume, but have one has more mass, then it also has a higher density.
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3 years ago
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Número cuántico que designa el nivel de energía en el que se localiza un electrón:
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Creo que la respuesta es n. Transalation : I think the answer is N.

Explanation:

4 0
3 years ago
Weeds growing in a garden will compete with vegetable plants for sunlight, water, and nutrients.
Yuki888 [10]

Answer:

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weeds and vegetables are both plants, but they are completely different types of plants.

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