2. What charge(s) does an ion have, positive, negative, or neutral?

The Earth's rotation means that we experience an apparent force known as the Coriolis force. This deflects the direction of the wind to the right in the northern hemisphere and to the left in the southern hemisphere.

What is coriolis force?

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Answer:

Earth is in the solar system.

Explanation:

Earth is our home and it is in the solar system.

Earth is the fifth-largest of the planets in the solar system and the third planet from the sun. Earth is the only planet having oxygen and water that supports life. Till now according to the research Earth is the only planet having life.

Planets are in the solar system, the solar system is in the milky way and the milky way is present in the universe. The astronomer identifies our home in the universe as "Earth is in the solar system" as Earth is our home.

Hence, the correct answer is "Earth is in the solar system."

Answer:

The Milky Way is in the universe. The solar system is in the Milky Way. Earth is in the solar system.

Explanation:

If the Milky Way Is in the universe and solar system you would know earth is also In the solar system, so "Our home planet is the third planet from the Sun, and the only place we know of so far that's inhabited by living things. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface."

Answer:

Mg(s) + 2 HCl(aq) --> MgCl 2(aq) + H 2(g)

The correct formula for the compound formed between barium and sulfur is BaS. Ba

The correct formula for the compound formed between barium and sulfur is BaS. Ba represents the chemical symbol for barium, and S represents the chemical symbol for sulfur. When barium and sulfur combine, they form an ionic compound with a 1:1 ratio of barium ions (Ba2+) and sulfide ions (S2-). The compound BaS indicates that one barium atom combines with one sulfur atom to form an ionic compound. In BaS, barium has a 2+ charge (Ba2+), and sulfur has a 2- charge (S2-).

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Answer:

Ba(ClO)₂

Explanation:

The compound formed from barium and hypochlorite is barium hypochlorite, and its chemical formula is Ba(ClO)₂.

A chemical element with the atomic number 56 is barium (Ba). It belongs to the alkaline earth metal family and when it forms compounds, it has a 2+ charge.

This indicates that two electrons must be rapidly lost by barium in order to produce a stable electron configuration.

One chlorine atom (Cl) and one oxygen atom (O₂) combine to form the anion hypochlorite (ClO-) (O). The hypochlorite ion has a net charge of -1 due to the 1-charged oxygen atom and the 1-charged chlorine atom.

The 2+ charge of barium interacts with the 1- charge of the hypochlorite ion throughout the reaction to create a neutral molecule.

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The mass of the carbon dioxide is 29.5 g

The equation of state known as the ideal gas law explains ideal gases. The relationship between a gas's pressure, volume, temperature, and mass in this equation of state is highly helpful for predicting how gases will behave under ideal circumstances. The most typical equation of state for gases is this one.

Using;

PV = nRT

n = PV/RT

n = 1 * 15/0.082 * 273

n = 0.67 moles

Mass = 0.67 moles * 44 g/mol

= 29.5 g

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Answer and Explanation:

Given that

Length of race = 5km

Maximum speed = 45 yards

Based on the above information,

We transform the yards to kilometer i.e.

1 km = 1093.613 yards

And,  

x = 45 yards

So,

1093.613 × x = 45

x = 45 ÷ 1093.613

x = 0.0411480 km

Where

x = Maximum length for which the maximum speed demonstrated in kilometers is sustained.

So, we concluded that Lamor cannot go for the overall 5km as he maintained till 0.0411 km

Answer:

e. Oxygen

Explanation:

Oxygen has 8 electrons. 1s²2s²2p⁴ (by adding up the supercripts–you have 8 electrons and oxygen represents that) [refer to a periodic table -- atomic number]

Answer:

It is true , that the tropical zone experiences the trade winds .

Explanation:

TRADE WINDS -: The trade winds or easterlies are the dominant east-to - west permanent winds that flow in the equatorial area of the Planet (between latitudes 30 ° N and 30 ° S). In the Northern Hemisphere, the trade winds blow primarily from the northeast and from the southeast in the Southern Hemisphere, strengthening throughout the winter and when the Arctic oscillation is in its warm phase. Trade winds have been used by sailing ship captains for centuries to cross the world's oceans and have enabled colonial expansion into the Americas and the construction of trade routes across the Atlantic and Pacific oceans. They act as the steering flow for tropical storms in meteorology. developing over the Atlantic , Pacific, and Southern Indian Oceans and landing in North America, Southeast Asia, Madagascar, and East Africa. Under trade wind regimes, shallow cumulus clouds are seen and are capped from being larger by a trade wind inversion induced by downward air aloft from within the subtropical ridge.

When trade winds blow through tropical areas , due to more direct sunlight , air masses heat up across lower latitudes. Those that develop over (continental) land are drier and hotter than those that develop over (maritime) oceans and travel northward to the subtropical ridge 's western periphery. Masses of maritime tropical air are often referred to as masses of commercial air. There are extensive areas of trade winds in all tropical oceans except the northern Indian Ocean.

Hence , the statement is true.

Answer:

mercury

Explanation:

because mercury can get turned into liquid in any normal rrom temperature

Answer:

31536000 seconds

Explanation:

there are 31536000 seconds in one year

Answer:

i think the answer is D)

but u should ask the another person too:)

The expected change in flow rate associated with a 1in. increase in pressure drop can be calculated as follows. The expected change in flow rate is the slope of the regression line of the equation y = bx + a. The change in flow rate, or y, is on the y-axis and the change in pressure drop, or x, is on the x-axis.

A regression line was fitted to the data by the method of least squares using Excel. The slope of the regression line is -0.0155. Therefore, for every 1in. increase in pressure drop, the flow rate is expected to decrease by 0.0155 m3/min. This is equivalent to a 1.55% decrease in flow rate for every 1in. increase in pressure drop.

The change in flow rate that can be expected when the pressure drop decreases by 5 in. is calculated as follows. The expected change in flow rate is still the slope of the regression line, which is -0.0155. Therefore, for a decrease of 5 in. in pressure drop, the expected change in flow rate is 0.0775 m3/min or 7.75% decrease in flow rate.

The expected flow rate for a pressure drop of 10 in. can be calculated as follows. Using the equation y = bx + a, where x = 10 and b = -0.0155, we get y = (-0.0155)(10) + a = -0.155 + a.

To find a, we use the point (6.92, 10.8), which is the mean of the data. Therefore, a = 6.92(0.0155) + 0.840 = 0.949. Hence, the expected flow rate for a pressure drop of 10 in. is y = (-0.0155)(10) + 0.949 = 0.794 m3/min.

The expected flow rate for a pressure drop of 12 in. can be calculated using the same equation, y = (-0.0155)(12) + 0.949 = 0.763 m3/min.

Given that P(Y > 0.835) = 0.8 and P(Y > 0.840) = 0.6, we can conclude that the probability of Y being greater than 0.835 and less than 0.840 is 0.2. This is because P(Y > 0.840) - P(Y > 0.835) = 0.6 - 0.8 = -0.2, which is the complement of the probability we are interested in. Therefore, P(0.835 < Y < 0.840) = 0.2.

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Answer: the answer is  D im pretty sure

Explanation:

The hydronium ion concentration in the solution is 4.22 x 10⁻¹³M

When NaOH is dissolved in water, it dissociates completely into Na+ and OH- ions:

NaOH → Na+ + OH-

Since the solution is basic, the hydroxide ion concentration is equal to the initial concentration of NaOH:

[OH-] = 0.0237 M

At 25°C, the ionic product of water (Kw) is 1.0 x 10⁻¹⁴. At equilibrium, the product of the hydronium ion concentration and the hydroxide ion concentration is equal to Kw:

[H3O+][OH-] = 1.0 x 10⁻¹⁴

Rearranging the above equation, we get:

[H3O+] = Kw/[OH-] = (1.0 x 10⁻¹⁴)/0.0237 M = 4.22 x 10⁻¹³M

Therefore, the hydronium ion concentration in the solution is 4.22 x 10⁻¹³M

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Carbon bond in the molecules is only taken into consideration, thus assigning the correct orbitals to molecule group, we get the Option A ethylene.

A covalent link between two carbon atoms is known as a carbon-carbon bond. The single bond, that is consisted of two electrons—one from each of the two atoms—is the most prevalent type.

One kind of hybridized orbital from each of the carbon atoms are contributing to the formation of the carbon-carbon single bond, which is also known as a sigma bond.

They have an ionic bond

A covalent link involving two C atoms is known as a carbon-carbon bond. The single bond with two electrons—one from each of the two atoms—is the most well-known type.

A single carbon atom can also make four different kinds of bonds with all the other atoms.

One double bond and two types of single bonds and a total pair of double bonds.

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Complete Question

Take only in consideration the carbon-carbon bond in the molecules. Assign the correct orbitals to the molecule groups. (Orbitals might be used more than once or not at all).

A) Ethylene

B) Ethane

C) Acetylene

Answer:

Asteroids

At first glance, asteroids may seem like run-of-the-mill space rocks, but these ancient solar system remnants come in all shapes, sizes and flavors

Comets

For millennia, the sight of a comet elicited fear and awe. Ancient astronomers believed comets foretold the death of princes and the outcomes of wars. Modern astronomers know comets are the ice-clad leftovers from the material that formed our solar system billions of years ago.

Meteoroids

Meteoroids are the true space rocks of the solar system. No larger than a meter in size (3.3 feet) and sometimes the size of a grain of dust, they are too small to be considered asteroids or comets, but many are the broken pieces of either. Some meteoroids originate from the ejected debris caused by impacts on planets or moons.

Answer: argon

What must happen to a sulfur atom in order for it to have an electron arrangement similar to that of a noble gas? Answer: The noble gas closest to sulfur is argon. A sulfur atom gains two electrons to have an electron arrangement similar to that of argon.

Explanation:

decay rate of approximately 1.69x10^17 Bq (becquerels),

The decay rate of a radioactive sample is determined by the number  of radioactive atoms present and the decay constant, which represents the probability of decay per unit of time.

To calculate the decay rate, we multiply the number of atoms in the sample by the decay constant. In this case, the sample has 8.31x10^17 atoms and a decay constant of 0.203/s. Multiplying these values gives a decay rate of approximately 1.69x10^17 Bq (becquerels), which represents the number of decays per second in the sample.

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Answer:

little l big l big l little l

Explanation:

can you help me Complete the following sentence: After we explained why we needed her in the play, she and joined our rehearsal A quaffed B. acquiesced C vengeance D. wreaked

The carbon stored in the form of oil, coal, and natural gas can be estimated in pentagrams (1 pentagram = 2,205,000,000,000 pounds). Option (a) suggests that there are 500-1000 pentagrams of carbon stored, while option (b) suggests 5000-10000 pentagrams.

To estimate the amount of carbon stored in the form of oil, coal, and natural gas, we need to consider the carbon content of each fossil fuel. On average, oil contains about 85% carbon, coal contains around 50-80% carbon, and natural gas has a high carbon content of approximately 75-95%.To calculate the amount of carbon stored, we can multiply the weight of each fossil fuel by its respective carbon content percentage. The result will be the weight of carbon stored.

Given the range provided, for option (a), assuming a conservative estimate of 500 pentagrams, and using an average carbon content of 75%, the total carbon stored would be approximately 500 * 2,205,000,000,000 * 0.75 pounds.For option (b), assuming a conservative estimate of 5000 pentagrams and using the same carbon content of 75%, the total carbon stored would be approximately 5000 * 2,205,000,000,000 * 0.75 pounds.

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Answer: C

Explanation:

So, the formula mass of aluminum chloride is 26.98154+3(35.453)=133.34054 g/mol.

This means that 42.3 grams of aluminum chloride are 42.3/133.34054=0.31723285356426 moles.

From the equation, we know that for every 3 moles of bromine consumed, 2 moles of aluminum chloride are consumed.

This means that (0.31723285356426)(3/2)=0.47584928034639 moles of bromine are needed.

So, the formula mass of a bromine molecule is 2(79.904)=159.808 g/mol, and thus the answer is (159.808)(0.47584928034639), which is about 76.1 g

Answer: the water avaperatid

because of the heat lamp

hope this helps

Explanation:

Answer:

1. B

2. C

3. A

4. C

5. A

6. B

Explanation:

1. Mary discovered that the cell membrane of a bacteria acts like a fence because it keeps some things in and other things out: this is an analogy because there's a comparison between the cell of a bacteria and a fence.

2. Mary walked into her room where her little son was playing, found a broken window, and thought immediately that her son had broken it: this is an inference because she immediately thought her son broke it.

3. Mary noticed that her counter top was warm to the touch: this is an observation which was based on an evidence of touch.

4. Mary noticed that the side walk was wet and thought that it may have been that the sprinklers had been on recently: this is an inference because it was based on her thoughts.

5. Mary counted and recorded 20 heart beats in 10 seconds: this is an observation because she actually counted her heart beats.

6. The lecturer compared the human eye to a camera lens: this is an analogy because it was a comparison between a human eye and a camera lens.

Answer:

Wjat is your question

Explanation:

The total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

To calculate the total charge that flows while the battery is being charged, we can use the relationship between electrical energy, potential difference, and charge.

The electrical energy (E) stored in the battery is given as 64 mega Jules (64 MJ). The potential difference (V) provided by the battery is 330 volts. We know that the energy (E) is equal to the product of the potential difference (V) and the charge (Q):

E = V * Q

Since the charging process is 100% efficient, all the electrical energy supplied is stored in the battery. Therefore, we can rearrange the equation to solve for the charge (Q):

Q = E / V

Substituting the given values, we have:

Q = 64 MJ / 330 V

To perform the calculation, we need to convert mega Jules (MJ) to joules (J) since the SI unit of energy is joules. One mega Joule is equal to 1 million joules:

Q = (64 * 10^6 J) / 330 V

Calculating the division:

Q ≈ 193,939.39 Coulombs

Therefore, the total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

This value represents the quantity of electric charge transferred during the charging process, and it indicates the amount of electricity that enters the battery.

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The volume of gas is 3,949.31 litre, occupied by 1.74 moles of SF6 (g) at 273 K and 1 atm.

The ideal gas law is also called as perfect gas law. It is the relation between the pressure P, volume V, and temperature T of a gas.  

Given:

Volume of gas = ?

Number of moles (n) = 1.74 moles

Temperature (T) = 273K

Pressure (P) = 1 atm

R (gas constant) = 8.314

By an ideal gas equation

PV = nRT

By putting above value in ideal gas equation, we get

1 × V = 1.74 × 8.314 × 273

V = 3,949.31 litre

Thus, The volume of gas, in L is 3,949.31 litre, occupied by 1.74 moles of SF6 (g) at 273 K and 1 atm.

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First, we have to know the rules to recognize significant numbers:

Zeros between two non-zero digits ARE significant.

are

All non-zero numbers are significant.

Trailing zeros to the right of the decimal are significant.

Leading zeros are not significant.

Trailing zeros in a whole number with the decimal shown are significant.

Trailing zeros in a whole number with no decimal shown are not significant.

After these rules, we can say that 890 has only 2 significant numbers.

Answer: 2 significant digits

Solution b has a hydronium ion concentration of 1.9 x 10-4m has has the greater hydronium ion concentration. The pH value increases with the concentration of hydronium ions in a solution.

Acidic chemicals result from high hydrogen ion concentrations, while alkaline substances come from low hydrogen ion concentrations (basic substances). The pH scale can be used to quantify the overall concentration of hydrogen ions, which is inversely related to pH. When an acid dissolves in water, the hydronium ion is always produced. Always interacting with the nearby water molecule to generate H3O+, the acid's H+. Consider the hydronium ion from the perspective of the proton (H+), which is another way to perceive it. Hydration is the process of adding water to something.

pH equals -log[H3O+]. The reverse of the mathematical method used to determine the pH can be used to determine the hydronium ion concentration from the pH.

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