A molecule must be non polar if the molecule?

Force applied by the thrusters forced the pod to reverse course, this is determined by direction and strength of the force applied.

Thrust is a response force that can be quantified using Newton's third law. When a system expels and accelerates mass inside one direction, the accelerating mass causes the system to experience a force of same magnitude but opposite direction.

We were told because firing the thrusters slowed but did not halt the pod. If the pod collided with the space station, it would bounce and go in the other direction.

The most likely scenario as well as reason that this has occur is that the force applied by the thrusters forced the pod to reverse course. However, this is primarily determined by two factors: the direction and strength of something like the force applied.

Therefore, force applied by the thrusters forced the pod to reverse course, this is determined by direction and strength of the force applied.

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1. Chemical substances in food dissolve in saliva. 2. Taste receptors are stimulated. 3. Signals are sent to the thalamus. 4. The frontal lobe perceives taste.

Substances can be defined as materials or substances that are composed of one type of atom or molecule. They are made up of atoms and molecules that are combined together in a specific way and can be observed in the physical world. Substances can be either natural or man-made and can be either solid, liquid, or gas. They have a unique set of properties such as boiling point, melting point, and density, which helps to describe them.

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Explanation:

True. They may both be properties of a gas but they are independent of each other since the pressure of a gas may vary without changing the temperature or volume (or any other properties).

Answer:

True

Explanation:

The statement "The qualities/quantities of a gas are independent of one another" is True. This means that a change in one property of a gas, such as pressure, volume, or temperature, does not affect the other properties. This is one of the basic assumptions of the ideal gas law, which states that the pressure, volume, and temperature of a gas are proportional to one another under certain conditions.

For example, when the volume of a gas is increased, its pressure decreases, and when its temperature is increased, its pressure also increases. These changes in properties are independent of one another, and can be described by the mathematical relationships described by the ideal gas law.

ALLEN

The Gulf region, which is in the wet-dry tropics (savanna), experiences year-round temperatures of hot to very hot.

Looking at average temperatures and precipitation through time is the easiest way to characterize a climate. The amount and type of precipitation, sunshine hours, typical wind directions and speeds, the number of days above freezing, weather extremes, and the geography of the area are additional factors that can be used to describe climate. The Northwest Coastal, High Plains, Midwest, Mid-Atlantic, Southeast, South, and Southwest are the seven principal climate regions of the United States. As a result of the fact that these states have similar weather patterns throughout the year, they are included in each climate zone for the United States.

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We can use the following formula to determine the amount of food colouring present in a standard solution: C1V1 = C2V2. As a result, the final standard solution's food colouring concentration is 0.02676% (v/v).

A homogeneous mixture of two or more substances, in which the solute is uniformly dispersed in the solvent, is referred to as a solution. Solutions exist in a variety of forms, including gases, liquids, and solids. They are crucial in a number of disciplines, such as chemistry, medicine, and technology. To create a solution, one must correctly measure the amounts of the solute and solvent and then completely combine them to create a homogeneous mixture. A solution's concentration can be stated in a number of ways, including molarity, molality, and percent by mass or volume. Solutions can differ from their component elements and compounds in terms of their boiling and melting points, as well as their appearance, flavour, and odour.

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Answer:

You might want to know the amount of carbon dioxide produced by your dream car for a variety of reasons. For example:

Environmental impact: Knowing the carbon dioxide emissions of a car can give you an idea of its impact on the environment. High carbon dioxide emissions contribute to climate change, air pollution, and other environmental issues.

Fuel efficiency: A car that produces high levels of carbon dioxide is likely to be less fuel efficient. This means that it may consume more fuel than other vehicles, making it more expensive to operate over time.

Government regulations: Many countries have regulations that limit the amount of carbon dioxide that cars can emit. Knowing the emissions of your dream car can help you determine whether it is compliant with these regulations.

Personal responsibility: If you are concerned about the impact of your actions on the environment, knowing the carbon dioxide emissions of your dream car can help you make informed decisions about the car you purchase and how you use it.

Explanation:

Overall, knowing the carbon dioxide emissions of your dream car can help you make informed decisions about your driving habits and the car you purchase.


ALLEN

The coefficients in front of the chemical formulas indicate the relative amounts of the reactants and products, and the subscripts within the chemical formulas indicate the ratios of atoms of each element present.

A chemical equation is a statement using chemical formulas to describe the identities and relative amounts of the reactants and products involved in a reaction. A chemical equation typically consists of the chemical formulas of the reactants (the substances being reacted), separated by an arrow, followed by the chemical formulas of the products (the substances produced by the reaction).

For example, the balanced chemical equation for the reaction between hydrogen gas (H2) and oxygen gas (O2) to form water (H2O) is:

2H2 + O2 → 2H2O

This equation indicates that two molecules of hydrogen react with one molecule of oxygen to form two molecules of water. The coefficients in front of the chemical formulas indicate the relative amounts of the reactants and products, and the subscripts within the chemical formulas indicate the ratios of atoms of each element present.

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If the half-life of radium-226 is 1620 years. Then the percentage of a given amount of the radium that will remain after 1200 years is about 42.86%.

To solve this problem, we can use the formula for exponential decay:

N(t) = N0 * (1/2)²(t/T)

where:

N(t) is the amount of radium-226 remaining after time t

N0 is the initial amount of radium-226

T is the half-life of radium-226

We want to find the percentage of the radium that will remain after 1200 years, so we need to calculate N(1200)/N0 and express the result as a percentage.

Using the formula above and plugging in the given values, we get:

N(1200) = N0 * (1/2)²(1200/1620)

N(1200)/N0 = (1/2)²(1200/1620)

N(1200)/N0 ≈ 0.4286

So, after 1200 years, approximately 42.86% of the radium-226 will remain.

Therefore, after 1200 years, about 42.86% of the given amount of radium will remain.

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The molar mass of hydrogen (H2) is 2.016 g/mol. Therefore, the mass of 9 moles of hydrogen is: 9 mol x 2.016 g/mol = 18.144 g. So, 18.144 grams of hydrogen must react with 3 moles of nitrogen completely.

Ammonia is useful in many ways, including fertilizer production, household cleaning product, refrigeration, water treatment, textile production and fuel production.

Ammonia is a key component of fertilizer because it contains nitrogen, an essential nutrient for plant growth. Plants require nitrogen to build proteins and other essential molecules. While nitrogen is abundant in the atmosphere, plants cannot use it in its gaseous form. Instead, nitrogen must be converted into a usable form, such as ammonia, through a process called nitrogen fixation.

The balanced chemical equation for the reaction between nitrogen and hydrogen to form ammonia is N2 + 3H2 → 2NH3.

To react completely with 3 moles of nitrogen,

3 moles N2 x 3 moles H2 / 1 mole N2 = 9 moles H2

The molar mass of hydrogen (H2) is 2.016 g/mol. Therefore, the mass of 9 moles of hydrogen is: 9 mol x 2.016 g/mol = 18.144 g

So, 18.144 grams of hydrogen must react with 3 moles of nitrogen completely.

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At pH 9.0, the solution is basic and the ionizable groups in the peptide will be ionized. The correct answer is option b: n-terminus: amine; lysine r group: ammonium; c-terminus: carboxylate; aspartic acid r group: carboxylate.

At pH 9.0, the ionizable groups in a peptide are likely to be ionized. The pKa values of the different ionizable groups in the peptide determine which form they will be in at a given pH. The amino group at the N-terminus of the peptide has a pKa value of about 9.0, which means that it will mostly exist in the ionized form as an amine (NH2) at pH 9.0. The lysine R group has a pKa value of approximately 10.8, which means that it will exist in the ionized form as ammonium (NH3+) at pH 9.0. The carboxyl group at the C-terminus of the peptide has a pKa value of around 2.2, which means that it will exist in the ionized form as a carboxylate (COO-) at pH 9.0. The aspartic acid R group has a pKa value of about 3.9, which means that it will also exist in the ionized form as a carboxylate (COO-) at pH 9.0. Therefore, at pH 9.0, the major forms of each ionizable group in a peptide are N-terminus - amine (NH2), Lysine R group - ammonium (NH3+), C-terminus - carboxylate (COO-), and Aspartic acid R group - carboxylate (COO-). Understanding the ionization of peptides at different pH values is important in many biochemical and biophysical studies that involve peptides and proteins.

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224.7 grams of water can be produced by the combustion of 200 grams of CH3OH.

What is combustion?

Combustion is a chemical reaction that occurs between a fuel and an oxidizing agent, usually oxygen, which results in the release of energy in the form of heat and light. During combustion, the fuel is oxidized (i.e., loses electrons) and the oxidizing agent is reduced (i.e., gains electrons). This reaction is often accompanied by the production of other products, such as water and carbon dioxide.

The balanced chemical equation for the combustion of CH3OH is:

2 CH3OH + 3 O2 → 2 CO2 + 4 H2O

From the balanced equation, we can see that 2 moles of CH3OH react with 4 moles of H2O. Therefore, we can use the molar mass of CH3OH to calculate the number of moles of CH3OH, and then use the stoichiometric ratio to calculate the number of moles of H2O produced. Finally, we can convert the moles of H2O to grams using the molar mass of water.

Step 1: Calculate the number of moles of CH3OH.

molar mass of CH3OH = 12.01 g/mol (C) + 4(1.01 g/mol) (H) + 16.00 g/mol (O) = 32.04 g/mol

moles of CH3OH = mass / molar mass = 200 g / 32.04 g/mol = 6.237 mol

Step 2: Calculate the number of moles of H2O produced.

From the balanced equation, we need 4 moles of H2O for every 2 moles of CH3OH.

moles of H2O = 4 x moles of CH3OH / 2 = 4 x 6.237 mol / 2 = 12.474 mol

Step 3: Calculate the mass of H2O produced.

molar mass of H2O = 2(1.01 g/mol) + 16.00 g/mol = 18.02 g/mol

mass of H2O = moles of H2O x molar mass of H2O = 12.474 mol x 18.02 g/mol = 224.7 g

Therefore, 224.7 grams of water can be produced by the combustion of 200 grams of CH3OH.

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Smaller gas molecule sizes do not contribute to greater gas ideality. On the other hand, larger system volumes and smaller system pressures both contribute to greater gas ideality

The ideal gas law assumes that gas molecules are point masses with no volume and that there are no attractive or repulsive forces between the molecules. In reality, gas molecules do have volume, and there are intermolecular forces that can affect the behavior of the gas. However, if the gas molecules are small compared to the volume of the container they are in, their volume becomes relatively insignificant and can be ignored. Therefore, smaller gas molecule sizes do not contribute to greater gas ideality, as their small size makes them approach the ideal gas behavior more closely. Smaller gas molecule sizes do not contribute to greater gas ideality.

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The phase change where energy is released into the surrounding is called exothermic change. Here the heat energy is released to undergo a phase change.

Phase change is the change in the states, that is transitioning from one state to another. Here matter changes phases from liquid, solid, air to any other state. The reaction is exothermic during the changes like a gaseous phase changes into liquid phase or a liquid phase to solid phase.

An example for exothermic change is condensation and freezing. During condensation the latent heat of vaporization is released to the surroundings to undergo change from gaseous to liquid state. During freezing the latent heat of fusion is released to the environment to change phase from liquid to solid.

So during exothermic change a substance release energy to its surroundings.

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In Ultra-hot Interstellar gas clouds can oxygen that has been ionized up to 5 times be typically found.

Ultra Hot Interstellar Gas Clouds:

Although the 10,000 K temperature of the H II region may seem warm, it is not the hottest phase of the interstellar medium. Some of the interstellar gas is a million degrees hot, even though there are no nearby visible sources of heat.

The discovery of this super-hot interstellar gas came as a great surprise. Before launching observatories into space that could see ultraviolet and X-ray radiation, astronomers assumed that most of the interstellar regions were filled with hydrogen at temperatures not higher than those found in the H II region. However, telescopes launched above Earth's atmosphere captured an ultraviolet spectrum that included interstellar lines formed by five times ionized oxygen atoms. It takes a lot of energy to knock 5 electrons off their orbits around the oxygen nucleus.

Astronomers estimate that a supernova explodes somewhere in the galaxy about every 100 years. On average, supernova impacts pass through some point in the galaxy once every few million years. These thrusts support some interstellar space filled with gas at temperatures of millions of degrees and constantly disturb the cooler gas to maintain constant turbulent motion.

Complete Question:

Where can oxygen that has been ionized up to 5 times be typically found?

a. Ultra-hot Interstellar gas clouds

b. Molecular clouds

c. H-II regions

d. Neutral hydrogen clouds

e. Emission clouds

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0.005 g of Cr are present in 1000 g of water.

What does "parts per million" mean?

This stands for "parts per million" and can also be written as mg/L (milligrams per liter). The mass of a chemical or contamination per volume of water is the unit of measurement here.

PPM, or parts per million, is a word used to describe a solution's concentration. In 1000 ml or 1 L of solution, 1 milligram of the solute equates to 1 ppm.

It is assumed that water contains 5 parts per million (ppm), or 5 mg of Cr per liter. 1000 ml or 1000 g is equal to one liter of water. Therefore, 5 mg or 0.005 g of Cr are present in 1000 g of water.

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It should be b

oil was formed from sea animals and bacteria or plants like algae. hope this helps!

The crystallization step of recrystallization removes soluble impurities from a solid mixture. When a solid is dissolved in a solvent and then allowed to cool, the solubility of the solid in the solvent decreases and the solid crystallizes out of the solution.

Soluble impurities, which are typically more soluble in the solvent than the desired compound, will remain in solution or be incorporated into the crystal lattice of the impure crystals. As a result, the crystals that form during the crystallization step will have a higher purity than the initial solid mixture. Further purification can be achieved through multiple rounds of recrystallization using different solvents or by additional purification methods such as chromatography.

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Answer:

0.4535 mols

Explanation:

CaO Molar Mass is 56.1 grams.

25.44gCaO x 1mol/56.1g = 0.4535 mols

Answer:

16.3.

Explanation:

The average atomic mass of an element is calculated by weighing each isotope present and multiplying it by its percent abundance, and then adding all the values.

First, we'll find the weighted average of the isotopes present in 60% and 30% of the Carbon 13 atom:

0.6 * 12.4 + 0.3 * 13.1 = 7.44 + 3.93 = 11.37

Next, we'll subtract the weighted average of these two isotopes from the relative atomic mass of carbon:

13.0 - 11.37 = 1.63

This is the weighted average of the isotope present in the remaining 10% of the Carbon 13 atom. To find the mass number, we'll divide the weighted average by the atomic weight of the isotope:

1.63 / 0.1 = 16.3

So, the mass number of the carbon isotope present in 10% of the Carbon 13 atom is approximately 16.3.

Answer:

B) Fuel burns and heats the surroundings

D) A car's air bag expands by igniting a chemical.

Explanation:

These two phenomena are caused by chemical reactions that release energy. In the case of B, fuel burning releases energy in the form of heat and light. In the case of D, the ignition of a chemical in a car's air bag rapidly releases a large amount of energy, causing the air bag to rapidly inflate and protect the occupants of the car during an accident.


ALLEN

Answer:

D) A car's air bag expands by igniting a chemical.

Explanation:

Fireworks are a type of pyrotechnic display that are created by chemical reactions that release energy in the form of light, heat, and sound. These chemical reactions are usually accomplished through the use of oxidizers, fuel, and various chemicals that are carefully combined to produce the desired effects.

A) Muscles work to perform a task is not caused by a chemical reaction that releases energy. Instead, it is caused by the contraction of muscle fibers, which generate force to move the body or an object.

B) Fuel burns and heats the surroundings is caused by a chemical reaction that releases energy. When fuel, such as gasoline or wood, is burned, it reacts with oxygen in the air to release heat and light.

C) A battery supplies current to a device is not caused by a chemical reaction that releases energy. Instead, it is caused by the flow of electrons through a conductive material, such as a wire.

D) A car's air bag expands by igniting a chemical is caused by a chemical reaction that releases energy. The air bag is typically activated by a chemical reaction between two substances that generates a large amount of gas, which rapidly inflates the air bag to protect the occupants of the vehicle.

The grams of water are needed to dissolve 25.31 g of the potassium nitrate  in order to prepare the 0.1982 M solution is 1263 g.

The expression of the molality is as follows :

Molality = moles solute / kg solvent  

The kg of solvent = moles solute / molality  

The moles of solute = mass / molar mass  

The moles of solute = 25.31 g / 101.1 g/mole  

The moles of solute = 0.2503 mole

The amount in kg solvent = 0.2503 mole / 0.1982 m  

The amount in kg solvent = 1.263 kg  

The amount in kg solvent = 1263 g

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Answer:

Covalent bonds are formed by the sharing of electrons between two non-metallic atoms. These bonds are typically stronger and more stable than ionic bonds and are found in compounds such as water, hydrogen, and carbon dioxide. Covalent bonds differ from ionic bonds in that they do not involve the transfer of electrons from one atom to another.

Explanation:

The correct answer is 3.68 x 10^23 c atoms.To determine the number of atoms of carbon in 47.6 g of Al2(CO3)3, we first need to calculate the number of moles of Al2(CO3)3 using the formula:

moles = mass / molar mass

moles = 47.6 g / 233.99 g/mol

moles = 0.203 moles

Next, we can use the chemical formula of Al2(CO3)3 to determine the number of moles of carbon present in the compound.

One molecule of Al2(CO3)3 contains three molecules of CO3, each of which contains one atom of carbon. Therefore, the total number of atoms of carbon in one molecule of Al2(CO3)3 is:

3 x 1 = 3 atoms of carbon

So, the number of atoms of carbon in 0.203 moles of Al2(CO3)3 is:

0.203 moles x 3 atoms/molecule x Avogadro's number (6.022 x 10^23 atoms/mol)= 3.68 x 10^23 atoms of carbon

Therefore, the correct answer is 3.68 x 10^23 c atoms.

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Covellite is a mineral that is composed mainly of sulfur(S) and copper (Cu), with occasional traces o other elements such as Iron (Fe), Nickel (Ni), and arsenic (Ar). Covellite has a chemical formula of CuS.

It is a member of the sulfide mineral group and is commonly found in the alteration process of other similar minerals that are made of CuS. Examples of such similar minerals are Chalcolite and Chalcopyrite.

The given element, Covellite has a distinct blue-black color for which it is known for. It is one of the rare minerals which is often sought out and after by mineral collectors all around the world.

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Answer:

The rate of the reverse reaction increases - B) removing a reactant

The concentration of products decreases - B) removing a reactant

The concentration of products increases - A) adding a reactant

The rate of the forward reaction increases - A) adding a reactant

Explanation:

In a chemical reaction, adding a reactant increases the amount of reactants in the system, which can increase the rate of the forward reaction. On the other hand, removing a reactant decreases the amount of reactants, which can increase the rate of the reverse reaction.

The increase in the rate of the reverse reaction can lead to a decrease in the concentration of the products. Meanwhile, the increase in the rate of the forward reaction can lead to an increase in the concentration of the products.

So, based on this information, we can classify the outcomes as follows:

The rate of the reverse reaction increases: B) removing a reactant

The concentration of products decreases: B) removing a reactant

The concentration of products increases: A) adding a reactant

The rate of the forward reaction increases: A) adding a reactant

ALLEN

No, the properties of two proteins with the same type and number of amino acids but a different order of linkage are not the same.

Proteins are complex biomolecules with unique physical and chemical properties that are determined by their three-dimensional structure, which in turn depends on the specific order and arrangement of amino acids in the protein chain.

The order of amino acids in a protein is known as its primary structure, and it can greatly affect the protein's properties, such as its shape, stability, solubility, and function. Therefore, two proteins with different primary structures, even if they contain the same amino acids, will have different properties, and may interact differently with other molecules and cells in the body.

In conclusion, the primary structure of a protein plays a critical role in determining its properties, and any changes or variations in the order of amino acids can have significant consequences for the protein's structure and function. Therefore, two proteins with the same type and number of amino acids but different primary structures are not the same and can have different properties and functions.

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Answer:

the pH of the solution is 5.5.

Explanation:

the concentration is 5 moles per liter and the acidity or alkalinity is 0.5 moles per liter.

In an atom, number of electrons and protons is same and thus number of electrons and protons are 79 in an ion of gold(III).

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

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The favored conformations of cyclopropane and cyclobutene have approximately the same bond angle of about 60 degrees.

Cyclopropane and cyclobutane sacrifice bond angle to relieve torsional strain.

Both torsional strain and steric strain are examples of steric interactions.

The cycloalkane with the chemical formula (CH2)3 is known as cyclopropane. It is made up of three methylene groups (CH2) that are joined together to create a ring.

It is an extremely strained molecule due to the high angle strain resulting from the 60-degree bond angles in the ring. It is used as a starting material in organic synthesis and as an anesthetic in medicine.

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