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4 years ago

List and describe the three rock types in the rock cycle including two or more processes involved in the formation of each type

Chemistry

1 answer:

Ludmilka [50]4 years ago

5 0

Answer: The three main rock types are igneous, metamorphic and sedimentary.

The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation.

Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.

Explanation:

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Chemical reactions happen when _____. a.atoms attract or repel one another b.heat is created by friction c. two or more substanc

melomori [17]

Answer:

Explanation:

5 0

3 years ago

Examine the statement and balanced equation.

Svetach [21]

Answer:

The answer to your question is: 1.28 x 10 ¹⁵ g of Fe₂(SO₄)₃

Explanation:

Single replacement reaction:

2Fe + 3H₂SO₄ → Fe₂(SO₄)₃ + 3H₂

M Fe = 55.8 g/mol

M H₂SO₄ = 98.1 g/mol

M Fe₂(SO₄)₃ = 399.9 g/mol

M H₂ = 2.0 g/mol

Fe₂(SO₄)₃ = 3.21 x 10¹² mol

Fe₂(SO₄)₃ = ? g

1 mol of Fe₂(SO₄)₃ ----------------- 399.9 g/mol of Fe₂(SO₄)₃

3.21 x 10¹² mol Fe₂(SO₄)₃ -------- x

x = (3.21 x 10¹² x 399.9 ) / 1

x = 1.28 x 10 ¹⁵ g of Fe₂(SO₄)₃

8 0

3 years ago

A 58.33-g sample of milk of magnesia, Mg(OH)2, always contains 24.31g of magnesium, 32.00g of oxygen, and 2.02g of hydrogen. Fin

ASHA 777 [7]

The mass percentage of each element in the milk of magnesia is, 41.68% Mg, 54.86% Oxygen, and 3.46% Hydrogen elements

Give the total mass of a sample of milk of magnesia Mg(OH)₂ as 58.33 g

We are to calculate the percentage by mass of each element

$\% mass =\frac{mass \ of \ element}{mass \ of \ sample} \times 100$

For Magnesium:

Mass of magnesium = 24.31g

$\% mass \ of \ Mg = \frac{24.31}{58.33} \times 100\\ \% mass \ of \ Mg =\frac{2431}{58.33} \\ \% mass \ of \ Mg = 41.68\%$

For oxygen element:

Mass of oxygen = 32.00g

$\% mass \ of \ O_2 = \frac{32}{58.33} \times 100\\ \% mass \ of \ O_2 =\frac{3200}{58.33} \\ \% mass \ of \ O_2 = 54.86\%$

For the hydrogen element

Mass of hydrogen = 2.02g

$\% mass \ of \ H_2 = \frac{2.02}{58.33} \times 100\\ \% mass \ of \ H_2 =\frac{202}{58.33} \\ \% mass \ of \ H_2 = 3.46\%$

Hence the mass percentage of each element in the milk of magnesia is, 41.68% Mg, 54.86% Oxygen, and 3.46% Hydrogen elements.

Learn more here: brainly.com/question/20065048

5 0

3 years ago

THIS IS EASY BUT FOR SOME REASON MY BRAIN IS DED PLS HELP

Mama L [17]

Answer:

Solid

Explanation:

The particles in the solid matter are held close together and in fixed particles.

6 0

3 years ago

Which of the following is not true about limiting and excess reagents?

Bogdan [553]

Answer : The incorrect option is, (d) The reactant that was the smallest given mass is the limiting reagent.

Explanation :

Limiting reagent : It is the reagent that is completely consumed in the chemical reaction when the chemical reaction is complete. No amount is left after the reaction is complete. The amount of product obtained is determined by the limiting reagent. A balanced equation is necessary to determine which reactant is limiting reagent.

Excess reagent : It is the reagent that are not completely consumed in the chemical reaction. That means the reagent is in excess amount. Some amount of the excess reagent is left over after the reaction is complete.

From this we conclude that the options, A, B and C are correct. While the option D is incorrect.

Option D is incorrect because it is not necessary the reactant that was the smallest given mass is the limiting reagent but it is judge by the number of moles present in the reaction.

Hence, the incorrect option is, (d)

4 0

3 years ago