How can rain provide minerals for a rain forest in South America?

Since oxygen is the limiting factor of the reaction, 7.14 g of hydrogen is required to react with 40 litres of oxygen.

The limiting factor in a reaction is that factor which the reaction depends on in order to proceed.

Once the limiting factor in a reaction is absent, the reaction will stop.

In the reaction between hydrogen and oxygen, twice the volume of hydrogen is required to react with oxygen.

In the given reaction, oxygen is the limiting factor.

Volume of oxygen = 40 litres

Volume of hydrogen required = 40 × 2 = 80 litres

Mass of 22.4 L of hydrogen = 2.0 g

Mass of 80 Litres = 80/22.4 × 2.0 g

Mass of hydrogen = 7.14 g

Therefore, 7.14 g of hydrogen is required to react with 40 litres of oxygen.

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The ranking is uranium-235 splitting into 92 equal fragments, three equal fragments, and two equal fragments. It also releases radiation.

Nuclear fission refers to a natural chemical reaction where an atom nucleus splits into two or more fragments.

This process (nuclear fission) is well known to release huge amounts of energy and radiation.

The more will be the number of atomic fragments, the more will the energy and radiation released by the process of nuclear fission.

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4 moles of NaOH is present in the given 160 grams of NaOH.

Moles of any substance will be calculated as:

n = W/M, where

W = given mass of NaOH = 160 grams (given)

M = molar mass of NaOH = 40 g/mole

Moles of NaOH is calculated as:

n = 160g / 40g/mol = 4 moles

Hence, moles of sodium hydroxide (NaOH) is 4 moles.

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Answer:

The answer is 16.12 L  

Explanation:

2.5 * 20 = 3.1 * V2

V2 = 50/3.1

V2= 16.12 L

hope this helps

The new volume can be calculated using Boyle's law. If the pressure increases from 2.5 atm to 3.1 atm, then volume decreases from 20 L to 16.1 L.

Boyle's law is a fundamental law of physics that describes the relationship between the pressure and volume of a gas at a constant temperature. It is named after the Irish physicist Robert Boyle, who first stated the law in the mid-17th century.

Boyle's law states that at a constant temperature, the pressure of a gas is inversely proportional to its volume. This means that as the volume of a gas decreases, its pressure increases proportionally.

Hence,

P1V1 = P1V2.

given,

P1 = 2.5 atm

V1 = 20 L

P2 = 3.1 atm

then V2 = P 1 V1 /P2

V2 = 2.5 atm × 20L/3.1 atm = 16.1 L.

Therefore, the new volume of the gas is 16.1 L.

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Answer:

In image 1, the moon is in a certain spot in its tilted elliptical orbit, so it is effectively under the Earth from the Sun's perspective. But in image 2, The moon is actually behind the Earth from the Sun's perspective.

Explanation:

I kinda' explained in my answer

In image 2, the lunar eclipse because the earth's shadow falls on the surface of the moon when Earth, moon, and sun all are aligned in a straight line.

A lunar eclipse usually takes place when the Moon moves into the shadow of the earth. This eclipse happens only when the Sun, Earth, and Moon are exactly aligned with Earth between the other two, which can occur only on the night of a full moon when the Moon is close to the lunar node.

When the moon is eclipsed by the Earth, it gets on a reddish color that is caused by the planet when it fully blocks direct sunlight from reaching the Moon's surface, as only the light reflected from the lunar surface has been refracted by the atmosphere of the earth. Due to the Rayleigh scattering of blue light, this light appears reddish.

A total lunar eclipse lasts up to nearly 2 hours, lunar eclipses are safe to view. Therefore, image 2 represents the lunar eclipse.

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Answer:Set up a proportion os V1/n1 = V2/n2. V is the volume, n is the amount in MOLES, not grams. Convert the CO_2 to moles, then solve and find that the amount of N_2 should be the same amount of moles. Then use the molar mass of N_2 (28.02 grams/mole) to convert that amount of moles into grams. That's your answer.

Explanation:

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

[B] Calorific Value

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

Explanation:

The correct answer is [B] Calorific value

Calorific Value ⇒  Amount of energy (heat) produced on burning 1 kg of a fuel completely in air. Which expressed in a unit called kilojoule per kilogram. (kj/kg)

Hence, [B] Calorific value is the answer.

~Lenvy~

Answer:

B. calorific value

Explanation:

Fuel efficiency is measured in terms of calorific value, which is measured in kilojoules per kilogramme. It is the amount of heat produced by the complete combustion of one kilogramme of fuel.

I am joyous to assist you at any time.

Answer:

12x+4x-7y+45b+78a-44b+1a+1z+0d+1.1a+1.1a

Hydrogen molecule is a molecule that releases the most energy when forming its bonds as compared to other molecules.

We know that H-H bond energy is 432 kJ mol-1, CI - CI bond energy is 239kJ mol-1 and Br-Br bond energy is 193 kJ mol-1 so from this data we can conclude that more energy is required to break the bond between hydrogen atom.

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Answer:

T2 = 242.06

Explanation:

Follow this equation to find T2: V1/T1 = V2/T2

V1 = 9.3L

T1 = 27C (to convert to Kelvin + 273.15) ---> 27 + 273.15 = 300.15K

V2 = 7.5L

T2 = ?

V2×T1/V1 = T2

7.5×300.15/9.3 = T2

242.06 = T2

So 242.06 is the answer!

Answer:

It Is A

Explanation:

I took the test and that was the answer

Answer:

high tmp and pressure

Explanation:

An example of an external stimulus is a decrease in oxygen levels in the blood during exercise.

Option C

A stimulus is defined as a thing or sensation that causes a specific reaction in an organ or tissue of a living organism

There are two types of stimuli:

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Answer:

An example of an external stimulus is a decrease in oxygen levels in the blood during exercise.

Option C

What is stimulus?

A stimulus is defined as a thing or sensation that causes a specific reaction in an organ or tissue of a living organism

There are two types of stimuli:

Internal stimulus

External stimulus

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Explanation:

Answer:6=base

Explanation:

Answer:

Synthesis Chemical Reaction

Explanation:

A+B -> AB  

Answer:

The first one - Vacuoles

Explanation:

Hope this helps. :)

Answer: 33/ because 1/3 of a 11 is 33.

Explanation:

All you had to do was multiply 11 with 3 thats it.

Explanation:

64 grams of O_2O2 will be required to react completely with 4 moles of Mg.

As per the balanced chemical equation 2 moles or 48 g of Mg reacts with one mole or 32 g of oxygen. Hence, 4 moles of Mg requires 2 moles or 64 grams of oxygen gas.

Magnesium oxide (MgO) is a white solid mineral that occurs naturally as the mineral periclase. It is one of the most common and important magnesium compounds, and is widely used in many industrial and commercial applications.

The balanced chemical equation of the reaction between Mg and oxygen is given as follows:

2 Mg + O₂ ⇒ 2 MgO

As per the balanced chemical equation 2 moles or 48 g of Mg reacts with one mole or 32 g of oxygen. Hence, 4 moles of Mg requires 2 moles or 64 grams of oxygen gas.

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Answer:

Your search - Calculate the molarity of a solution that contains 0.37g CaCl2 in 340 milliliters of solution - did not match any news results.

Explanation:

Answer:

(See explanation)

Explanation:

2 Non-Metal Elements:

Oxygen:

[tex]1s^{2} 2p^{2} 2p^{4}[/tex]

or it's noble gas configuration: [He] 2s² 2p⁴

Carbon:

[tex]1s^{2} 2p^{2} 2p^{2}[/tex]

ot its noble gas configuration:  [He] 2s² 2p^2

Noble Gasses:

Xenon:

[Kr] 4d¹⁰ 5s² 5p⁶

Argon:

[Ne] 3s² 3p⁶

Answer:

Are there any letters? if so. Letter B

Explanation:

Answer:

The charge of a proton cancels the charge of an electron.

Explanation:

if i thing you have the same paper as me it is B

Answer:

what are the roles of minerals in maintaning homeostasis?

The pH value of the solution is mathematically given as

pH=2.35

Question Parameters:

pH during the titration of 20.00 mL of 0.1000 M dimethylamine,

with 0.1000 M HCl(aq) after 21.23 mL of the acid

Generally, the equation for the  Chemical Reaction  is mathematically given as

(CH3)2NH(aq), +Hcl   ---> <---- (CH3)2NH2Cl(aq)

Therefore

[tex]HCl=\frac{0.186mol}{41.86}[/tex]

HCL=0.00444M

WHere

HClaq--->H+(aq)+Cl-(aq)

Hence

H+=0.00444M

pH= -log{H+}

pH=log(0.00444)

pH=2.35

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The series which is in order of increasing boiling point is CH3CH2CH3 CH3COCH3 CH2CH2CH3OH

However, the boiling point of an organic substance is the temperature at which the vapor pressure of the liquid organic substance equals the pressure surrounding the liquid and the liquid changes into a vapor.

Organic compounds are substance containing carbon and hydrogen. Some few organic compounds include:

So therefore, the series which is in order of increasing boiling point is CH3CH2CH3 CH3COCH3 CH2CH2CH3OH

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Answer:

Carbon can be found in the ocean, rocks, and the atmosphere around us.

Both mol/L and g/l are units of concentrations. Mol/L is molar concentration while g/L is mass concentration.

Concentration refers to the amount of substance in a solution. The two main ways of measuring concentration are;

The molar concentration is measured in mol/L and describes the amount of substance in a litre of solution.

The mass concentration is measured in g/L and measures the mass of the substance in 1 L of solution.

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Answer:

if you are asking for the chemical reaction:

Ca(OH)2 + H3PO4-------> Ca3(PO4)2 + H2O

Explanation:

In this reaction, phosphoric acid, H3PO4 , a weak acid, will react with calcium hydroxide, Ca(OH)2 , a strong base, to produce calcium phosphate, Ca3(PO4)2 , an insoluble salt, and water.

Answer:

3

Explanation:

The molar mass is obtained by adding up the average atomic masses of these atoms: Molar mass H3PO4 = 3(1.008 g) + 1(30.97 g) + 4(16.00 g) = 97.99 g.

Answer:

heheheheheh... I like it

Answer:

Anaerobic respiration takes place in the absence of oxygen.

Anaerobic respiration in yeast is used during brewing and bread-making.

Explanation:

glucose → ethanol + carbon dioxide.

C 6H 12O 6 → 2C 2H 5OH + 2C0 2.