How many moles of naoh will react with 0. 50 mol of h2co3?.

Answer

Rotating

Explanation:

The Earth is always being pulled towards the Sun by gravity.

The Earth is not moving fast enough to "escape" the Sun's gravity and leave the solar system, but it is going too fast to be pulled into the Sun. Therefore, it keeps going around and around( roating)- orbiting the Sun.

Answer:

Rotating around the sun

Answer: A. troposphere :)

hope this helps

Explanation:

<3

Pyruvate undergoes fermentation, which transforms it into lactic acid inside the absence of oxygen.

The breakdown of the drug occurs throughout this process. similar to how pyruvate is converted into lactic acid.

An organic acid contains lactic acid. Its chemical formula is CH 3CH(OH)COOH.

It serves as a synthesis precursor inside a number of biochemical as well as molecular synthesis industries.

The final result of the glycolysis pathway, pyruvate, is transformed into lactic acid inside the lack of oxygen.

Glycolysis

The process through which glucose gets broken down to provide energy is known as glycolysis.

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Answer:

electrons (can i have brainliest)

Explanation:

Answer:

Valence Electrons is the correct answer (C)

Explanation:

did the assignment hope this helps

Answer:

The new volume of the gas remains the same. That is new volume of gas is 1.33 litres

Explanation:

This is because gases do not have a definite shape. They therefore take the shape of their containing vessels and hence their volumes are determined by the volume of the container.

For the question above even if some of the gas escapes, as long as there is gas present in the container, its volume remains the same, that is occupies the same space in the container

Answer:

i think its 5.8

Explanation:

Answer:

Explanation:

boiling

According to the forces of attraction, boiling takes place when the kinetic energy of molecules overcomes the intermolecular forces.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Answer:

120 g is the answer I think

Answer:Your can use the internet There is a web site that is called periodic table.com it is very use full

Explanation:Have fun

50.5 km to ft is 165682.4

Answer:

the other guy is right its 165682.415

Answer:

B) the kinetic energy of the particles in the spoon will decrease as the thermal energy moves from the soup to spoon.

Answer:The answer is potassium.

the passage describing a neutral atom of nitrogen-14 (N-14) is as follows:

Its nucleus comprises seven protons.

Its nucleus of it has seven neutrons.

Around the nucleus, there are seven electrons arranged in orbits.

Its protons make up its atomic number.

Protons and neutrons together make up their atomic mass.

What is nitrogen-14?

It is demonstrated that nitrogen-14 NMR spectra with spin I = 1 can be detected indirectly in powders spinning at the magic angle (MAS). The approach is based on the transmission of coherence to single- or double-quantum transitions of nitrogen-14 nuclei from a nearby nucleus with S = 1/2, such as carbon-13. Second-order quadrupole–dipole cross terms, also referred to as residual dipolar splittings, are responsible for coherence transfer. The second-order quadrupolar interactions of nitrogen-14 are shown to be responsible for the powder patterns in the two-dimensional NMR spectra. The nitrogen-14 quadrupolar coupling constant, CQ, and asymmetry parameter, Q, are obtained through spectra analysis. These variables may be connected to the solids' structure that contains nitrogen.

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Answer:

Explanation:

ionic product of water Kw = 10⁻¹⁴

[H⁺] [  OH⁻ ] = 10⁻¹⁴

[H⁺] ² = 10⁻¹⁴

[H⁺] = 10⁻⁷

Water dissociates as follows .

H₂O     ⇄     H⁺      +     OH⁻

                  10⁻⁷M       10⁻⁷ M

pH = - log [H⁺]

= - log [  10⁻⁷ ]

= 7 .

So pH of pure water solution = 7 .

The pH of pure water is 7, which is considered neutral because it is neither acidic nor alkaline.

When pure water ionizes, it produces equal amounts of hydrogen ions (H+) and hydroxide ions (OH-), according to the equation:

H2O ⇌ H+ + OH-

However, the concentration of H+ and OH- ions in pure water is very low, and the product of their concentrations is always equal to a fixed value at a given temperature. This value is 1 x \(10^-14\) at 25°C.

The pH of water is a measure of its acidity or alkalinity, and is defined as the negative logarithm base 10 of the hydrogen ion concentration.

In pure water at 25°C, the hydrogen ion concentration is equal to the hydroxide ion concentration, and both are equal to 1 x \(10^-7\) moles per liter.

Therefore, the pH of pure water at 25°C is:

pH = -log[H+]

= -log[1 x \(10^-7\)]

= 7

Thus, the pH of pure water is 7, which is considered neutral because it is neither acidic nor alkaline.

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Answer:

1. Element - a substance that is made from only one type of atom

An element is made up of only one type of atoms and known for its unique properties than other elements.

2. Heterogeneous -  composed of dissimilar parts which can be separated easily and which are unevenly distributed in the mixture

3.Homogenous - even distribution of parts throughout the whole mixture; not easily separated into individual components.

4. Product - the substance created as a result of a chemical reaction

Products are the final substance that created as a result of a chemical reaction.

5. Reactant - one of the starting substances (ingredients) that is involved in a chemical reaction

Reactants are the starting substance that takes part in a chemical reaction.

6. Solute - the substance that is being dissolved.

A Solute is a substance that is being dissolved in the solvent to make a solution.

7. Solvent - the substance that does the dissolving

A solvent is the medium in which the solute is being dissolved to make the solution.

A homogeneous mixture, like a solution, has an even distribution of its components throughout the whole mixture. It is not easily separated into individual components. On the other hand, a heterogeneous mixture, like a mixture of oil and water, has dissimilar parts that can be separated easily, and the components are unevenly distributed in the mixture.

1. Reactant: one of the starting substances (ingredients) that is involved in a chemical reaction.
2. Solvent: the substance that does the dissolving.
3. Solute: the substance that is dissolved.
4. Homogeneous: even distribution of parts throughout the whole mixture; not easily separated into individual components.
5. Heterogeneous: composed of dissimilar parts which can be separated easily and which are unevenly distributed in the mixture.
6. Element: a substance that is made from only one type of atom.
7. Product: the substance created as a result of a chemical reaction.

Let's match the terms to their definitions:

1. Element: A substance that is made from only one type of atom.
2. Reactant: One of the starting substances (ingredients) that is involved in a chemical reaction.
3. Product: The substance created as a result of a chemical reaction.
4. Solute: The substance that is dissolved.
5. Solvent: The substance that does the dissolving.
6. Homogeneous: Even distribution of parts throughout the whole mixture; not easily separated into individual components.
7. Heterogeneous: Composed of dissimilar parts which can be separated easily and which are unevenly distributed in the mixture.

For example, if we consider the reaction between hydrogen gas (H2) and oxygen gas (O2) to form water (H2O), hydrogen gas and oxygen gas would be the reactants. Water would be the product. In this reaction, hydrogen gas and oxygen gas are the starting substances that undergo a chemical reaction to form water.

In a solution, such as saltwater, the salt (solute) dissolves in the water (solvent). The salt is the substance that is dissolved, and the water is the substance that does the dissolving.

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The formula in Excel to verify the lowest value of your data range, is with the MIN function.

Its syntax is as follows: MIN (number1, [number2], ...) number1, [number2], ... is the series of values from which you want to obtain a minimum.

The MIN function can be used to find the smallest value in a column or in a group of cells. This function is especially useful for finding the minimum value in a data set that contains numeric values. Additionally, it can also be used to find the minimum of other types of values such as dates, times, and text.

The MIN function can be used to find the minimum value in a column as well as in a row. This means that it can be used to find the minimum value in an entire data table. It is also possible to find the minimum value in a specific subquery.

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Answer:

17.1 Liters

Explanation:

It's a gas law question (more specifically a Charles's Law question). Formula is V1/T1 = V2/T2. You're given V1 and T1 and T2. However, in order to use the equation, temperature needs to be in Kelvins (by subtracting the degrees C from 273) for the numbers to work (among other reasons, the 0 degrees C will always give you an answer of zero or undefined). Placing all temps in kelvins makes the answers come out right. So 20L/273K = xL/233K gives you the answer when you cross-multiply.

Considering the Charles's law, a weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has  17.07 L at -40.0 °C, assuming pressure is held constant.

The gas laws are a set of chemical and physical laws that allow determining the behavior of gases in a closed system. The parameters evaluated in these laws are pressure, volume, temperature and moles.

Charles's law is one of the gas laws. It relates the volume and the temperature of a certain quantity of ideal gas, kept at a constant pressure.

This law states that, at constant pressure, the volume of a gas is directly  proportional to its temperature. In other words, for a given sum of gas at constant pressure, as the temperature increases, the volume of the gas increases, and as the temperature decreases, the volume of the gas decreases.

Mathematically, Charles's law says that the quotient that exists between the volume and the temperature will always have the same value:

\(\frac{V}{T}=k\)

Being an initial state 1 and a final state 2, it is true:

\(\frac{V1}{T1}=\frac{V2}{T2}\)

In this case, you know:

Replacing:

\(\frac{20 L}{273 K}=\frac{V2}{233 K}\)

Solving:

\(V2=233 K x\frac{20 L}{273 K}\)

V2=17.07 L

Finally, a weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has  17.07 L at -40.0 °C, assuming pressure is held constant.

Learn more:

A reaction which is exothermic and has an overall increase in entropy is

A) spontaneous only at high T

B) spontaneous only at low T

C) always spontaneous

D) spontaneous in the reverse direction.

The correct option is C) i.e., always spontaneous

Spontaneity is determined by the free energy. When ΔGΔG is negative, it is spontaneous.

ΔG=ΔH−TΔSΔG=ΔH−TΔS

The problem indicates that the ΔSΔS is positive. If the reaction is exothermic, this means that the ΔHΔH is negative.

ΔGΔG is going to be negative no matter the temperature.

A spontaneous process is one that occurs on its own, without any energy input from the outside. For example, a ball will roll down an incline; water will flow downhill; ice will melt into water; radioisotopes will decay, and the iron will rust.

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The total pressure of the gas mixture is 200 kPa.

To find the total pressure of the gas mixture, simply add the individual pressures of each gas component: helium (He), argon (Ar), and neon (Ne).

Step 1: Identify the individual pressures:
- Helium (He): 50 kPa
- Argon (Ar): 50 kPa
- Neon (Ne): 100 kPa

Step 2: Add the individual pressures together:
Total Pressure = He Pressure + Ar Pressure + Ne Pressure
Total Pressure = 50 kPa + 50 kPa + 100 kPa

Step 3: Calculate the total pressure:
Total Pressure = 200 kPa

The total pressure of the gas mixture containing 50 kPa of helium, 50 kPa of argon, and 100 kPa of neon is 200 kPa, which is found by adding the individual pressures together.

The total pressure of the gas mixture is 200 kPa.

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The strong acid you are referring to is nitric acid (HNO3).

Nitric acid (HNO3) is a highly corrosive and volatile acid that has a strong affinity for reacting with organic materials. It is commonly used in the production of explosives such as TNT (trinitrotoluene) and gun cotton (nitrocellulose).

Nitric acid's ability to react explosively with organic materials is due to its strong oxidizing properties. When it comes into contact with organic compounds, such as hydrocarbons, it initiates a highly exothermic reaction, releasing a large amount of energy. This energy release is what makes nitric acid a valuable component in the creation of explosive materials.

In the first step of the reaction, nitric acid donates a proton (H+) to the organic material, causing it to break down and release electrons. At the same time, nitric acid is reduced, gaining electrons itself. This step is followed by a series of complex reactions involving the rearrangement of atoms and the formation of new chemical bonds.

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The greatest amount of Mg(OH)₂ that can be made with 4. 6 moles of MgSO₂ and 5. 4 moles of NH₃ is 4.6 mol.

The substance that is entirely consumed at the end of the chemical reaction is known as the limiting reagent.

2NH₃ + MgSO₄ + 2H₂0 ⇒ Mg(OH)₂ + (NH4)₂SO₄

This is a question about limiting reagents. The limiting reagent is the one that produces the fewest moles of Mg(OH)₂and determines the maximum amount of Mg(OH)₂ that can be generated. The reaction ends when it runs out.

the balanced equation, MgSO₄and Mg(OH)₂ have a mole ratio of 1:1, so 4.6 moles of MgSO₂ will result in 4.6 moles of Mg(OH)2.

NH₃ and Mg(OH)₂have a mole ratio of 2:1. Calculate the number of moles of Mg(OH)₂ created by 5.4 moles of NH₃ using the mole ratio.

5.4 mol NH₃ × 2 mol Mg(OH)₂/1 mol NH₃ = 10.8 mol Mg(OH)₂

4.6 mol The greatest amount of moles of Mg(OH)₂ are created by MgSO₂ hence the most Mg(OH)₂ that can be made in this reaction is 4.6 mol.

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Answer:

wind

Explanation:

it would be naturally caused by the pressure

Answer:

temperature or pressure differences

Explanation:

Answer:

charge of copper.. ........mark me brainlest

Answer:

\(C_A=0.144M\)

Explanation:

Hello,

In this case, given the rate constant, we infer this is about a second order reaction, whose equation is:

\(\frac{dC_A}{dt}=kC_A^2\)

Thus, by integration we obtain:

\(\frac{1}{C_A}= \frac{1}{C_A_0}+kt\)

Hence, we solve for the final concentration after 0.385 s:

\(\frac{1}{C_A}= \frac{1}{0.155M}+\frac{1.308}{Ms} *0.385s=\frac{6.955}{M}\\ \\C_A=\frac{M}{6.955} \\\\C_A=0.144M\)

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Answer:   A transfer of electrons occurs when fluorine and calcium react to form an ionic compound. This is because calcium is in group two and so forms ions with a two positive charge. ... A pairs of shared electrons makes one covalent bond. The compound formed is known as a molecule***

Answer:

16 neutrons

Explanation:

Answer:       freezing

Explanation:

when the atoms or molecules in a solid or liquid are moving slower and closer together, it is called brrrrrrrrr freezinf

One of the products of this reaction is solid tin(II) carbonate (SnCO₃).

When aqueous sodium carbonate (Na₂CO₃) reacts with aqueous tin(II) nitrate (Sn(NO₃)₂), a double-replacement reaction takes place. The balanced chemical equation for the reaction is,

Na₂CO₃(aq) + Sn(NO₃)₂(aq) → SnCO₃(s) + 2NaNO₃(aq)

In this reaction, the sodium ion and nitrate ion from the sodium carbonate and tin(II) ion and nitrate ion from the tin(II) nitrate switch places to form solid tin(II) carbonate and aqueous sodium nitrate.

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