Summarize Newton's first law of motion for a younger student. Give an example to show this student how the law works.​

Answer:

This reaction is reversible, and you will only get significant amounts of the free amine if you use a large excess of ammonia. The product as a nucleophile.

Explanation:

Fungi and bacteria-- mushrooms, bacteria, mold...

Answer:

The two examples of decomposers is bacteria and fungi

Answer:

Molarity = 2 M

Explanation:

The molarity can be found using the molarity ratio:

Molarity = moles / volume (L)

You can plug the given moles and volume into the ratio and solve.

Molarity = moles / volume

Molarity = 1 mole / 0.500 L

Molarity = 2 M

Answer: no water

Explanation:

Answer:

a substance that is a crystalline compound, contains no water

The different types of intermolecular forces that exist between molecules, atoms, or ions in the given species are: (a) Benzene (C6H6): In benzene, the types of intermolecular forces include the London dispersion forces and pi bonding.

The pi electrons produce London dispersion forces between the molecules. (b) CH3Cl: In CH3Cl, the types of intermolecular forces include dipole-dipole interactions and London dispersion forces. The polar C-Cl bond leads to a permanent dipole moment, producing dipole-dipole interactions between the molecules. London dispersion forces also exist due to the instantaneous dipoles.

(c) PF3: In PF3, the types of intermolecular forces include dipole-dipole interactions and London dispersion forces. The polar P-F bond generates a permanent dipole moment, producing dipole-dipole interactions between the molecules. London dispersion forces also exist due to the instantaneous dipoles. (d) NaCl: In NaCl, the intermolecular forces are ionic bonds. The Na+ cation and the Cl- anion are electrostatically attracted to one another, forming an ionic bond. (e) CS2: In CS2, the types of intermolecular forces include London dispersion forces.

The molecule is nonpolar, therefore it does not possess permanent dipole moments. However, it still has London dispersion forces due to the instantaneous dipoles formed between the molecules. The answer is approximately 120 words.

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Answer:

both reactants and products

Explanation:

For a reversible reaction, it is likely that both reactants and products are present at equilibrium.

-TheUnknownScientist

Answer:

density = 2g/cm³

Explanation:

density = mass/volume

mass = 20g

volume = 10cm³

density = 20g/10cm³

density = 2g/cm³

B. The final speed of the ball when it hits the ground is determined as 24.2 m/s.

The final speed of the ball can be determined by applying the principle of conservation of energy as follows;

K.E = P.E

¹/₂mv² = mgh

v² = 2gh

v = √2gh

where;

Substitute the given parameters and solve for the maximum speed of the ball.

v = √(2 x 9.8 x 30)

v = 24.2 m/s

Thus, the final speed of the ball when it hits the ground is determined as 24.2 m/s.

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Answer:

★ B. A washing machine.

Explanation:

What's Electrical energy?

Electrical energy is energy derived from electric potential energy or kinetic energy. When used loosely, electrical energy refers to energy that has been converted from electric potential energy.

Answer:

......

Explanation:

The partial pressure of helium (He) in the container is 3 atm. Therefore, the correct answer is option c. 3 atm.we need to consider Dalton's law of partial pressures

To determine the partial pressure of helium (He) in the sealed container, we need to consider Dalton's law of partial pressures. According to this law, the total pressure of a gas mixture is equal to the sum of the partial pressures of each individual gas.

Given that the total pressure in the container is 6 atm and equal masses of helium (He) and neon (Ne) are present, we can assume that the partial pressure of helium is equal to the partial pressure of neon.

Let's denote the partial pressure of helium as P(He) and the partial pressure of neon as P(Ne). Since the masses of He and Ne are equal, their mole ratios are also equal.

Therefore, we can write the equation:

P(He) / P(Ne) = n(He) / n(Ne)

where n represents the number of moles.

Since the mole ratios are equal, the partial pressures of He and Ne are also equal. Therefore, the partial pressure of helium is half of the total pressure:

P(He) = 6 atm / 2 = 3 atm

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Answer:

1.17

Explanation:

1.17 hope this helps

The initial pressure of the fixed volume of the hydrogen gas as the pressure and temperature decreased is 1.17atm.

Gay-Lussac's law states that the pressure exerted by a given quantity of gas varies directly with the absolute temperature of the gas.

It is expressed as;

P₁/T₁ = P₂/T₂

Given the data in the question;

We substitute our values into the expression above.

P₁/T₁ = P₂/T₂

P₁T₂ = P₂T₁

P₁ = P₂T₁ / T₂

P₁ = ( 1.11atm × 303.15K ) / 288.15K

P₁ = 336.4965 / 288.15K

P₁ = 1.17atm

Therefore, the initial pressure of the fixed volume of the hydrogen gas as the pressure and temperature decreased is 1.17atm.

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The molarity is 0.00024 g/l for the 1.112 grams of iron (iii) chloride into enough water to make 500.00 ml of solution.

The maximum not unusualplace manner to specific answer attention is molarity (M), that's described as the quantity of solute in moles divided through the extent of solution in liters: M = moles of solute/liters of /solution.

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The density of oxygen is 1.43 g/LC.

The periodic table's Group 16 (also known as the oxygen group) contains the nonmetallic chemical element oxygen (O). Oxygen is a colorless, odorless, and tasteless gas that is necessary for all living things. Animals take it up and then change it into carbon dioxide, which plants then use as a source of carbon and release the oxygen back into the atmosphere.

As well as reactions that remove elements from their combinations with one another, oxygen can react with nearly any other element to produce compounds. These reactions, which are frequently accompanied by the evolution of heat and light, are known as combustions. Water is the most significant component.

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1. Can water stay liquid below zero degrees Celsius?

Yes, under certain conditions, water can remain liquid below zero degrees Celsius. This phenomenon is known as supercooling. Supercooling occurs when water is in a pure state and does not have any impurities or nucleation sites that can trigger the freezing process. When the water is supercooled, it remains a liquid despite being below its freezing point. However, any disturbance or introduction of an impurity can cause the supercooled water to rapidly freeze.

2. How bad of an alcoholic do you have to be to have your brain affected?

The effects of alcohol on the brain can vary depending on several factors, including the amount and frequency of alcohol consumption, individual tolerance, overall health, and genetic predisposition. Prolonged and excessive alcohol consumption can lead to various brain-related issues, such as:

- Cognitive impairment: Long-term heavy drinking can impair cognitive functions, including memory, attention, and problem-solving abilities.

- Wernicke-Korsakoff syndrome: This is a severe neurological disorder caused by a deficiency of thiamine (vitamin B1) often associated with alcohol abuse. It can lead to memory problems, confusion, coordination difficulties, and even permanent brain damage.

- Structural brain changes: Chronic alcohol abuse can lead to shrinkage of brain tissue, particularly in areas associated with memory and cognitive functions.

- Increased risk of mental health disorders: Alcohol abuse is associated with an increased risk of developing mental health conditions such as depression, anxiety disorders, and alcohol-induced psychosis.

It's important to note that the impact of alcohol on the brain can vary from person to person, and some individuals may be more susceptible to the negative effects of alcohol than others. It is always advisable to consume alcohol in moderation or, in some cases, avoid it altogether to maintain good brain health.

3. How does dissolving a salt molecule in water make its atoms ionize?

When a salt molecule, such as sodium chloride (NaCl), dissolves in water, its atoms or ions separate and become surrounded by water molecules. This process is known as ionization or dissociation. In the case of NaCl, the salt molecule consists of one sodium ion (Na+) and one chloride ion (Cl-).

When the salt is added to water, the positive hydrogen (H) end of the water molecule attracts the negatively charged chloride ion (Cl-), and the negative oxygen (O) end of the water molecule attracts the positively charged sodium ion (Na+). This attraction between the water molecules and the ions causes the salt molecule to break apart or ionize.

The resulting ions, Na+ and Cl-, become surrounded by water molecules, with the water's positive ends surrounding the chloride ions and the water's negative ends surrounding the sodium ions. This process is known as hydration or solvation, and it helps to stabilize the ions in the water solution.

So, in summary, dissolving a salt molecule in water allows its atoms to ionize as the water molecules surround and stabilize the separated positive and negative ions.

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Explanation:

1.

If you apply enough pressure (making it hard for the water molecules to spread out into the solid structure), you can have liquid water several degrees below zero degrees Celsius.

2.

Alcohol interferes with the brain's communication pathways and can affect the way the brain looks and works. Alcohol makes it harder for the brain areas controlling balance, memory, speech, and judgment to do their jobs, resulting in a higher likelihood of injuries and other negative outcomes.

3.

Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules. Once this happens, the salt is dissolved, resulting in a homogeneous solution.

Answer:

it's double displacement reaction

Answer:

Double displacement reaction ( Metathesis)

Alpha particles are constituted of two neutrons and two protons like helium atoms. The motion of particles differs as protons repel, while neutrons do not. Thus, option D is correct.

Alpha particles are said to be the radiations that resemble a helium atom in having two neutrons and two protons in their nucleus. They result from the alpha decay of the radioactive elements.

The alpha particle has been constituted of a +2 charge and mass equivalent to the sum of the protons and neutrons which is 4 amu. The protons and alpha particles are positively charged species.

Due to the positive charge on alpha particles, they get repelled by the nuclei containing more protons. Whereas, neutrons do not affect particles as they are neutral and lack charge.

Therefore, in option D. the protons repel the alpha particle.

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The motion of the alpha particles differ because protons repel the particles, while neutrons do not. Option 4 is the answer.

The behavior of alpha particles around nuclei is affected by electromagnetic forces arising from the positively charged protons within the nucleus. When the nucleus comprises 20 protons and 100 neutrons, the presence of more neutrons mitigates the repulsion between alpha particles and protons, enabling the particles to approach closely.

Conversely, if the nucleus contains 100 protons and 20 neutrons, heightened repulsion from the greater number of protons hinders the proximity of alpha particles to the nucleus.

Neutrons, with no charge, evade these repulsive forces, allowing them to mediate the interactions and facilitate closer particle approach. In essence, the differing proton-to-neutron ratios influence the motion of alpha particles around nuclei.

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Answer:

omg my friends name is Noah

Explanation:

pCO2 is an important factor that affects various aspects of water chemistry and the impacts of ocean acidification. When pCO2 increases, the concentration of total CO2 dissolved in water also increases. This leads to changes in pH, which decreases due to increasing atmospheric CO2 concentration.

When pCO2 rises, the concentration of only CO2 dissolved in water increases. The dissolved CO2 forms carbonic acid, which contributes to the acidification of the ocean. This increase in CO2 affects the equilibrium between CO2, HCO3-, and CO3^2-, shifting it towards higher levels of dissolved CO2 and H+ ions, resulting in a lower pH.

In terms of the impacts of ocean acidification on different organisms, the effects can vary depending on their specific needs. An organism that requires CO2 is likely to fare better under ocean acidification since the increase in dissolved CO2 can provide them with a favorable environment. However, organisms that rely on HCO3- or CO3^2- may fare worse under ocean acidification, as the lower pH interferes with the availability of these carbonate ions, which are essential for shell formation and calcification in some marine organisms.

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Answer:

1) represented by a lower case letter
2) always masked by dominant genes

3) only expressed in the absence of a dominant gene

Explanation:

So if I take a black and a yellow marker- and tried drawing the yellow over the black- or the other way around- you'd still only see the black marker. The recessive trait is like the yellow marker. Now if I drew the yellow marker with another yellow marker you would see the yellow. I hope this helps!

The acetic acid in vinegar has a molar concentration of 0.530 M.

When the chemical formula and molecular weight of the drug are known, the concentration can be calculated. Any substance's molar concentration in a solution can be simply calculated.

Molar concentration is the measurement of a solution's concentration as the No.  of moles of a solute inside a liter of a solution.

The following equation can be used to compute the concentration or volume of the solutions:

M₁V₁ = M₂V₂

where M1, V1, M2, and V2 represent the volume and concentration of the concentrated & diluted solution, respectively.

Given a NaOH concentration, M1 = 0.1931 M (which should be necessary to apply the broth dilution),

and to calculate the molar concentration of acetic acid)

The volume of NaOH, V1, is 27.48 mL.

V2 = acetic acid volume in milliliters

In equation (1), substitute the values of V1, M1, and V2 as well as volume:

(0.1931) X (27.48) = (10) X (V₂)

V₂ = 0.530 M

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Answer:

2.54kpa

Explanation:

p*v/t = constant

6.58/539=p2/2111

p2=211(6.50/539)

Answer:

2.53kpa

Explanation:

p1*v1/t1 = constant

the constant can be changed to p2*v2/t2

v2 can be removed from equation as it is constant

Answer:

yes they are broken down into smaller units

Answer:

a , b , c , d, e = 21 - 34. yes.

Explanation:

Answer:

3a +1z2 (yx4)3 2z+ 3a(yx4)

Explanation:

0.10 moles per liter solution of the conjugate base sodium acetate is likely to have a pH greater than 7.

When acetic acid (CH3COOH) donates a proton, it forms its conjugate base, acetate ion (CH3COO-). In the given scenario, the acetic acid solution has a pH of 2.87, indicating acidity. The lower pH value suggests a higher concentration of H+ ions. As a weak acid, acetic acid partially dissociates, releasing H+ ions and acetate ions. When sodium acetate (CH3COONa) dissolves in water, it completely dissociates into sodium ions (Na+) and acetate ions. The presence of acetate ions (the conjugate base) from sodium acetate will react with the excess H+ ions in the solution, shifting the equilibrium towards the formation of acetic acid and water. This process, called the hydrolysis of salts, will consume the H+ ions, thereby increasing the pH of the solution. Consequently, the 0.10 mole per liter solution of sodium acetate is likely to have a pH greater than 7, making it basic.

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To reach break point chlorination in a 96,000 gallon pool with a difference of 0.4 ppm between the free chlorine and total chlorine levels, approximately 7.68 ounces of chlorine is needed.

To calculate the amount of chlorine needed to reach break point chlorination in a 96,000 gallon pool, we first need to find the difference between the total chlorine and free chlorine levels. Break point chlorination is achieved when the free chlorine level equals the total chlorine level.

Given that the free chlorine level is 1.4 ppm and the total chlorine level is 1.8 ppm, the difference between them is:

1.8 ppm - 1.4 ppm = 0.4 ppm

Now, we need to determine the amount of chlorine required to raise the free chlorine level by 0.4 ppm in a 10,000 gallon pool. The given information states that it takes 2 ounces of dry chlorine (67% concentration) to raise a 10,000 gallon pool's chlorine level by 1 ppm.

To calculate the amount of chlorine required to raise the free chlorine level by 0.4 ppm in a 10,000 gallon pool, we can set up a proportion:

2 ounces / 1 ppm = X ounces / 0.4 ppm

Solving for X (the amount of chlorine needed for 0.4 ppm increase in a 10,000 gallon pool):

X = (2 ounces / 1 ppm) * 0.4 ppm = 0.8 ounces

Now, we can calculate the amount of chlorine needed for the 96,000 gallon pool by scaling the chlorine required for the 10,000 gallon pool:

Amount of chlorine needed = (0.8 ounces / 10,000 gallons) * 96,000 gallons

Amount of chlorine needed = 0.8 ounces * 9.6 = 7.68 ounces

Therefore, approximately 7.68 ounces of chlorine is needed to reach break point chlorination in the 96,000 gallon pool.

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A 2.00-liter of nitrogen gas at 27 °C is heated until it will occupies the volume of the 5.00-liters. The final temperature of the gas in Celsius is 447 °C.

The volume and the temperature relation at the constant pressure is expressed as :

V₁ / T₁ = V₂ / T₂

T₂ = V₂ T₁ / V₁

The initial volume of the gas, V₁ = 2 L

The final volume of the gas, V₂ = 5 L

The initial temperature of the gas, T₁ = 27 + 273

The initial temperature of the gas, T₁ = 300 K

The final temperature of the gas, T₂ = ?

T₂ = V₂ T₁ / V₁

T₂ = ( 5 × 300 ) / 2

T₂ = 750  K

In degree Celsius :

T₂ = 750 - 273

T₂ = 447 °C

The final temperature of the gas is 447 °C.

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