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2 years ago

Products or solutions found at home or in store and their characteristics

Chemistry

1 answer:

AleksAgata [21]2 years ago

4 0

Answer:

bruh, just go in your bathroom and look for cleaning products

Explanation:

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A sample of an ideal gas occupies 2.78 x 10^3 mL at 25°C and 760 mm Hg.

iris [78.8K]

Answer: It will occupy $4.45\times 10^3ml$ at the same temperature and 475 mm Hg.

Explanation:

Boyle's Law: This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.

$P\propto \frac{1}{V}$ (At constant temperature and number of moles)

$P_1V_1=P_2V_2$ (At constant temperature and number of moles)

where,

$P_1$ = initial pressure of gas = 760 mm Hg

$P_2$ = final pressure of gas = 475 mm Hg

$V_1$ = initial volume of gas = $2.78\times 10^3ml$

$V_2$ = final volume of gas = ?

Putting in the values:

$760mm Hg\times 2.78\times 10^3ml=475 mm Hg\times V_2$

$V_2=4.45\times 10^3ml$

Thus it will occupy $4.45\times 10^3ml$ at the same temperature and 475 mm Hg

5 0

2 years ago

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Jane made this picture to represent a chemical reaction: Two circles, one white and the other gray are shown on the left. A smal

7nadin3 [17]

It represents a decomposition reaction because one reactant breaks apart and forms two products.

Explanation:

The type of chemical reaction depicted by Jane represents a decomposition reaction because on reactant breaks apart and forms two products.

In this reaction XY breaks apart to form X and Y. This is a decomposition reaction.

XY → X + Y

Decomposition or cracking is the formation of two or more products from a single reactant.
The break down of a compound into individual atoms or molecules falls into this category.
The extreme instability of a compound drives such a reaction.
The products is usually stable or it can dissociate further till it is stable.

Find the image attached for more explanation:

Learn more:

Thermal decomposition brainly.com/question/11181911

#learnwithBrainly

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2 years ago

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A mass of 5.4 grams of aluminum (al) reacts with an excess of copper (ii) chloride (cucl2) in solution, as shown below. 3cucl2 2

horrorfan [7]

Answer:

Mass of copper produced is 19.07g

Explanation:

Let's bring out the chemical equation;

3CuCl2 + 2Al → 2AlCl3 + 3Cu

3 : 2 : 2 : 3

Upon confirming that the reaction is indeed balanced, we can proceed.

The questions asks to calculate mass of Cu formed when a mass of 5.4g of Al is being used.

From the equation, what is the relationship between Al and Cu?

2 mol of Al would react to form 3 mol of Cu

Expressing this in terms of mass, we have;

mass = no. of moles * molar mass

Mass of Aluminium = 2 * 26.98 = 53.98 g

Mass of Copper = 3 * 63.546 = 190.638g

This means;

53.98 g of Al would react to form 190.638g of Cu

So how much Cu would form from 5.4 g of Al?

This leads us to;

53.98 = 190.638

5.4 = x

Upon cross multiplication, we are left with;

x = (190.638 * 5.4) / 53.98

x = 19.07 g

Mass of copper produced is 19.07g

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2 years ago

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. Choose the items th

Tamiku [17]

it´s actually Lithium and fluorine / Magnesium and Chlorine / Beryllium and Nitrogen

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2 years ago

Four different solutions (I, II, III, and IV) are labeled on the pH scale below. A p H scale is shown, fading from red at the le

andreyandreev [35.5K]

Answer: It has the highest number of hydroxide ions

Explanation: I took the review

6 0

2 years ago

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