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2 years ago

How can a material get a charge?

Chemistry

2 answers:

svet-max [94.6K]2 years ago

8 0

Explanation:

By losing or gaining electrons from its outermost orbit

IgorLugansk [536]2 years ago

7 0

Answer:

If ELECTRICITY gets on it's batteries or power source then the material will charge if it's weak then after minutes the material will become greater.

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What does the chemical formula C3H2O, tell about a molecule of the compound it represents?

slamgirl [31]

Chemical formulas are used to describe the types of atoms and their numbers in an element or compound. The atoms of each element are represented by one or two different letters. When more than one atom of a specific element is found in a molecule, a subscript is used to indicate this in the chemical formula.

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3 years ago

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Which row about a change of state is correct?

Iteru [2.4K]

Answer:

Explanation:

because heat is taken in in sublimation.

5 0

1 year ago

Some animals only have _______ cells

White raven [17]

Answer:

Animals can have up to 40 trillion cells.

An amoeba (type of animal) has just one cell.

3 0

2 years ago

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PLEASE HELP: 60 POINTS

astra-53 [7]

Answer:

all of they above

Explanation:

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2 years ago

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The solubility of glucose at 30°C is

weqwewe [10]

Answer:

Saturated solution

We should raise the temperature to increase the amount of glucose in the solution without adding more glucose.

Explanation:

Step 1: Calculate the mass of water

The density of water at 30°C is 0.996 g/mL. We use this data to calculate the mass corresponding to 400 mL.

$400 mL \times \frac{0.996g}{1mL} =398g$

Step 2: Calculate the mass of glucose per 100 g of water

550 g of glucose were added to 398 g of water. Let's calculate the mass of glucose per 100 g of water.

$100gH_2O \times \frac{550gGlucose}{398gH_2O} = 138 gGlucose$

Step 3: Classify the solution

The solubility represents the maximum amount of solute that can be dissolved per 100 g of water. Since the solubility of glucose is 125 g Glucose/100 g of water and we attempt to dissolve 138 g of Glucose/100 g of water, some of the Glucose will not be dissolved. The solution will have the maximum amount of solute possible so it would be saturated. We could increase the amount of glucose in the solution by raising the temperature to increase the solubility of glucose in water.

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3 years ago