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3 years ago

The alternating rising and falling of the sea caused by the gravitational pull of the moon is called?

2 answers:

8 0

Answer: Tides are the regular, alternating rise and fall of sea level caused by the gravitational pull of the moon and sun. The changing of the tide is often rapid and dramatic. On a smaller scale, similar motions occur on large lakes, in the atmosphere, and even within the solid earth.

Explanation: can I please have brainliest?

aivan3 [116]3 years ago

3 0

Answer: Tides

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A sample of rest of the following composition 51.85 g of iron 22.22 g of oxygen 16.67 g of water

valentinak56 [21]

Answer:

To calculate the percent composition, we need to know the masses of C, H, and O in a known mass of C9H8O4. It is convenient to consider 1 mol of C9H8O4 and use its molar mass (180.159 g/mole, determined from the chemical formula) to calculate the percentages of each of its elements:

mol C

molar mass C

molar mass

100

12.01

g/mol

180.159

g/mol

100

108.09

g/mol

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g/mol

100

60.00

3 0

2 years ago

7.0 mol Mn reacts with 5.0 mol

Elenna [48]

The moles of MnO formed with the reaction of 5 moles of Mn is 3 moles.

<h3>What is a limiting reagent?</h3><h3 />

In a chemical reaction, the reagent that is present in a lesser quantity and governs the rate of the reaction is termed as the limiting reagent.

In the reaction of the formation of MnO, according to the stoichiometric law 2 moles of Mn reacts with 1 moles of Oxygen.

Thus, the moles of oxygen consumed by 7 moles of Mn is:

2 moles Mn = 1 mole O₂

7 moles Mn = 3.5 moles O₂

The available moles of O₂ = 5 mol.

The remaining moles of O₂ = 5-3.5 moles

The remaining moles of O₂ = 1.5 moles

The reaction of 5 moles Mn requires 2.5 moles of O₂, whereas the available moles of oxygen is 1.5 moles. Thus, oxygen serves as the limiting reagent.

The moles of MnO formed with the reaction of 5 moles Mn and 1.5 moles O₂

1 mole O₂ = 2 moles MnO

1.5 moles O₂ = 2 * 1.5 moles MnO

1.5 moles O₂ = 3 moles MnO

Thus, the moles of MnO formed with the reaction of 5 moles of Mn with the available oxygen is 3 moles.

Learn more about stoichiometric law, here:

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6 0

2 years ago

Read 2 more answers

How many grams of hydrogen are in 92 g of ch4o?

IRISSAK [1]

The answer to this question would be: 11.5 grams

The molecular mass of hydrogen is 1, oxygen is 16 and carbon is 12. Then the molecular mass of CH4O would be: 12 + 4(1) + 16= 32.
To find the hydrogen mass, you just need to divide the hydrogen with total mass, resulting in the mass ratio of hydrogen to the compound. Then the amount of hydrogen inside 92 gram of CH4O are: 92grams * (4/32)= 11.5 grams

7 0

3 years ago

Read 2 more answers

Match the following. 1. an ancient study or art which attempted to combine science and philosophy to solve worldly problems atom

Zinaida [17]

Answer:

1. An ancient study or art which attempted to combine science and philosophy to solve worldly problems Alchemy

2. A homogeneous mixture of elements with metals to form metallic solids Alloy.

3. The simplest unit of an element that still retains the properties of that element compound Atom

4. Two or more elements joined together such that the elements have lost their individual identity Compound

5. A primary substance that cannot be divided into separate substances element Element.

6. The group of elements that are good conductors of electricity and heat Metals

7 . The group of elements that are poor conductors of electricity and heat Non metal

7 0

4 years ago

Match the process in electricity generation to the type of energy conversion that occurs (processes are not in correct order)

MAXImum [283]

Answer

The matching is numbered and represented in red arrowsi n the diagram below:

Explanation

In a steam turbine electricity generation, the mechanical energy in form of pressure present in steam is extracted and converted into kinetic energy by allowing the steam to flow through the stationary blades. This kinetic energy is transmitted to the moving blades connected to the alternator of a steam turbine generator.

The matching of the process is shown below:

3 0

1 year ago

The alternating rising and falling of the sea caused by the gravitational pull of the moon is called?​

The alternating rising and falling of the sea caused by the gravitational pull of the moon is called?