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3 years ago

What does it mean if something is insoluble

Chemistry

1 answer:

TiliK225 [7]3 years ago

7 0

Answer:

insoluble simply means something that cannot be dissolved in water (:

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Suppose the volume of a container is decreased, but the same number of gas molecules is present at the same temperature. What wi

charle [14.2K]

Answer: Option (C) is the correct answer.

Explanation:

When the volume of a container is decreased and same number of gas molecules are present inside the container at the same temperature then it means that more number of gas molecules are spread per unit volume.

As earlier when the volume of container was more then the molecules were widely spread inside the container but on decreasing the volume of container, molecules come closer to each other and hence there will be increase in molecules per unit volume.

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2 years ago

Which list includes three forms of energy?

loris [4]

I think the correct answer from the choices listed above is option 1. The list that includes three forms of energy would be chemical, mechanical and electromagnetic. Pressure and temperature are not energy. Hope this answers the question. Have a nice day.

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2 years ago

Read 2 more answers

Frrrreeeeeee point freeeeee

ahrayia [7]

Answer:

Ok the answer is 345

Explanation:

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2 years ago

If thermal energy (heat) must be added to a chemical reaction in order for the reaction to take place, the reaction is _________

Harlamova29_29 [7]

<span>If thermal energy (heat) must be added to a chemical reaction in order for the reaction to take place, the reaction is endothermic. </span>

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2 years ago

Si 100 monedas tienen una masa total de 226.13g. Cual es la masa de una moneda

galben [10]

The mass of a coin : 2.2613 g

<h3>Further explanation </h3>

Algebraic expressions in mathematics are a combination of coefficients, numbers, variables, constants and arithmetic operations such as addition, subtraction, multiplication, and division.

The main composition of algebraic expressions are:

1. phrases

algebraic forms separated by arithmetic operations

consists of one phrase (monomial) to many phrases (polynomial)

2. variables

is a value that can be changed, can be in the form of letters, for example, x, y, a, b, etc.

3. constants

is a fixed value, can be a number

4. arithmetic operations ⇒ +, - , : , x

<em>If 100 coins have a total mass of 226.13g. What is the mass of a coin</em>

We can make this statement in the form of an algebraic equation :

100 coins=226.13 g

then the mass of a coin :

$\tt \dfrac{1}{100}\times 226.13~g=2.2613~g$

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2 years ago