Where would (aq) (s) go in Cr(NO3)3+K3PO4

Answer:

Below are some patterns in the charge for elements in each group.

Group 1 elements : 1 valence electron and form ions with charge +1

Group 2 elements : 2 valence electrons and form ions with charge + 2

Group 3 elements : 3 valence electrons and form ions with charge + 3(there are some exceptions as well)

Elements in groups 4 and 5 are unpredictable also the D block elements consist of multiple oxidation states..

Group 6 elements : 6 valence electrons, form ions with charge -2

Group 7 elements: 7 valence electrons, form ions with charge -1  

The octet rule is being followed, the elements form either ionic bond or covalent bond to fulfill it.

eg: when a K atom forms a K+ ion, the ion has the same electron configuration as the noble gas Ar (argon).

When an O atom gains 2 electrons to form the O²⁻ ion, the ion has the same electron configuration as the noble gas Ne (neon).  

Note: Boron (B) is in Group 3 but doesn't form ions.

A noticeable pattern in the charge for elements in each group of the periodic table is that: Elements in the same group have the same charge.

Discussion:

The pattern in the charge for elements in each group is characterized by the adoption of the same charge for elements in the same group irrespective of the period they are situated in.

An example is evident in the alkali metal, halogen and alkali Earth metals group.

The alkali metals lose their only Valence electron, to assume the octet configuration of the preceeding noble gas.

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Answer:

The main function of sensory transduction is the conversion of sensory signals to chemical signals in the nervous system. Sensory transduction occurs in the sensory receptors. In sensory transduction, the sensory neurons play an important role.

Explanation:

A loop of wire moving through a magnetic field will create which of the following?

(A) Electrical Current

I am pretty sure that electromagnetic Induction states that moving a magnet through a loop of wire creates . Electrical Current. I consider this option to be correct because according to lenz's law conductor  moves through loop and to be more exact in this case through an electrical current. I hope it help!

The rate at which the nitrogen dioxide, NO₂ will effuse is 64 mL/s

This states that the rate of diffusion of a gas is inversely proportional to the square root of the molar mass i.e

R ∝ 1/ √M

R₁/R₂ = √(M₂/M₁)

Where

Applying the Graham's law of diffusion equation, we have:

R₁/R₂ = √(M₂/M₁)

82 / R₂ = √(46 / 28)

Cross multiply

82 = R₂√(46 / 28)

Divide both sides by √(46 / 28)

R₂ = 82 /√(46 / 28)

R₂ = 64 mL/s

Thus, nitrogen dioxide, NO₂ will effuse at 64 mL/s

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The little compartments are mostly likely cells, so C and D can be eliminated. Since one must zoom in to see cells, the image is most likely not large enough to be able to identify the organism. Therefore, my best guess would be B.) Cells of a multicellular organism.

I hope this helped you come to a conclusion!

The value of the standard Gibbs free energy change (ΔG°) for the reaction at 75°C is approximately -2.457 kJ/mol.

To determine the value of the standard Gibbs free energy change (ΔG°) for the reaction A(aq) + B(aq) ↔ C(aq) + D(aq) at 75°C, we can use the Van 't Hoff equation, which relates the equilibrium constant (K) to the temperature (T) and ΔG°:

ln(K2/K1) = -ΔH°/R * (1/T2 - 1/T1)

Given:

Equilibrium constant at 25°C (K1) = 20.4

Equilibrium constant at 50°C (K2) = 37.1

Temperature at 25°C (T1) = 298 K

Temperature at 50°C (T2) = 323 K

R = 8.314 J/(mol·K) (gas constant)

We need to solve for ΔH°, the enthalpy change at standard conditions. Rearranging the equation:

ΔH° = -R * (ln(K2/K1) / (1/T2 - 1/T1))

Calculating:

ΔH° ≈ -8.314 J/(mol·K) * (ln(37.1/20.4) / (1/323 K - 1/298 K))

Now, we can use the relationship between ΔG° and ΔH° at constant temperature:

ΔG° = ΔH° - TΔS°

At constant temperature, ΔG° = ΔH° - TΔS°

Given that the reaction is at standard conditions, ΔS° is zero (since it is not provided). Thus, ΔG° = ΔH°.

Converting J to kJ:

ΔG° ≈ ΔH° / 1000 kJ

Now, we can substitute the calculated value of ΔH° into the equation to find ΔG°:

ΔG° ≈ -8.314 J/(mol·K) * (ln(37.1/20.4) / (1/323 K - 1/298 K)) / 1000 kJ

Calculating:

ΔG° ≈ -2.457 kJ/mol

Therefore, the value of the standard Gibbs free energy change (ΔG°) for the reaction at 75°C is approximately -2.457 kJ/mol.

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When aluminum is reacts copper (II) chloride then it will form aluminum chloride and Copper.

Aluminum as well as copper(II) chloride combine very vigorously, causing the reaction mixture to become extremely hot as heat was produced, the aluminum foil to breakdown, a reddish brown solid to appear, as well as gas bubbles to be released.

The chemical reaction can be written as:

2Al + 3CuCl2 → 3Cu + 2AlCl3

Therefore, Copper and aluminum chloride will be formed after the reaction as a product.

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Answer:

nano3+agcl2

Explanation:

double displacement reaction

The total translational kinetic energy of 17 moles of an ideal gas is 198,242  j .  the gas temperature in kelvin is 937 K.

Given  that :

total translational kinetic energy = 198242 J

moles = 17 mol = 17 × 6.023 × 10²³

Total kinetic energy =  ( 3/2 KT ) × no. molecules

   198242  = ( 3/2) ( 1.38 × 10⁻²³ ) T × 17 × 6.023 × 10²³

T = 198242  / 211.84

T = 937 K

Thus, The total translational kinetic energy of 17 moles of an ideal gas is 198,242  j .  the gas temperature in kelvin is 937 K.

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Refer to the attachment

Answer:

Explanation:

The mass of the object can be found by using the formula

\(m = \frac{f}{a} \\ \)

f is the force

a is the acceleration

From the question we have

\(m = \frac{6}{3} \\ \)

We have the final answer as

Hope this helps you

Answer:

2 KG

Explanation:

As we know that,

F = ma

6=m3

6/3=m

m=2KG

There are no forces of attraction between the particles.

The kinetic energy of the molecule is greater than the attractive force between them, thus they are much farther apart and move freely from each other. In most cases, there are essentially no attractive forces between particles. This means that gas has nothing to hold a specific shape or volume.

In the physical sciences, a particle (or corpuscle in older texts) is a small localized object to which can be ascribed several physical or chemical properties, such as volume, density, or mass. They vary greatly in size or quantity, from subatomic particles like the electron to microscopic particles like atoms and molecules, to microscopic particles like powders and other granular materials. Particles can also be used to create scientific models of even larger objects depending on their density, such as humans moving in a crowd or celestial bodies in motion.

The term particle is rather general in meaning and is refined as needed by various scientific fields. Anything that is composed of particles may be referred to as particulate. However, the noun particulate is most frequently used to refer to pollutants in the Earth's atmosphere, which are a suspension of unconnected particles, rather than a connected particle aggregation.

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If an astronaut travels to Mars, the mass of the astronaut will decrease on Mars when she arrives. The correct option is B.

The force of gravity is a force that is responsible for the presence of everything object and human in their place. It gives weight to an object. Without gravity, everyone will be floating in the air.

The force of gravity is different in different places. Like on the earth, there is a strong force of gravitation. On the moon, there is the less gravitational force. In mars, there is less gravitation force than on earth.

Because there is less gravitational force on Mars than on the earth, so the weight of the astronaut will be lower on Mars than on the earth.

Thus, the correct option is B. The mass of the astronaut will decrease on Mars.

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Gamma rays

Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.

Answer:

The wave at the transmitter has more energy. It has higher amplitude, and amplitude is directly related to wave energy.

Explanation:

Edmentum Sample Answer.

The correct order of increasing surface tension at a given temperature, CH(OH)CH₂ OH >CH₃CH₂CH₂OH>HOCH₂ CH₂ OH>HOCH₂

With higher intermolecular pressures, a molecule's surface tension rises. Here, every molecule that is there has a hydrogen bond. It is well known that as the number of O-H bonds in a given molecule increases, so does the degree of hydrogen bonding. Strong intermolecular forces are thought to exist in molecules with more H-bonds. Due to the hydrogen bonds between water molecules, it has the highest surface tension of any liquid, save for mercury. Water molecules near the liquid's surface that are in contact with air are held tightly together by surface tension to create an imperceptible film.

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Answer:

diffusion

Explanation:

is the movement of molecules from high concentration to low concentration.

Answer:

Diffusion is faster at higher temperatures because the gas molecules have greater kinetic energy. Effusion refers to the movement of gas particles through a small hole. Graham's Law states that the effusion rate of a gas is inversely proportional to the square root of the mass of its particles

The continuation of the electron configuration is 3p6 4s2 3d3.

Electronic configuration ends up with = 3p4

So, here principle quantum number(n) =3

Atom which ends up with 3p4 configuration = S

Sulphur(s) = [Ne] 3s2 3p4

So atomic number of Sulphur (s) =16

After adding 7e in it -

Atomic number = 16+7 =23

Now atomic no. =23 (after adding 7 more electrons)

So electronic configuration with atomic no. =23

Atomic number (23) - [Ne] 3s2 3p6 4s2 3d3

Now electronic configuration will ends up with= 3d3

Electrons belong to the primary technology of the lepton particle's own family and are typically thought to be fundamental particles because they have no recognized additives  substructure.

For most realistic purposes, an electron is a structureless particle with an intrinsic angular momentum or spin. simply two numbers — the electron's mass and its electric price — gasoline the equations that describe its behavior. From this 'sensible electron' version, physicists constructed present-day microelectronics.

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Answer:

It will float

Explanation:

Polystyrene is not dense and its light and full of air.  It will float.

The type of weathering that occurs in Albany is chemical weathering.Weathering is the process in which rocks and minerals on the Earth's surface undergo physical or chemical decomposition.

The processes can break down rocks into smaller fragments and sediments, resulting in the formation of soil. The two major types of weathering are physical weathering and chemical weathering .weathering occurs when rocks or minerals decompose due to chemical reactions. . Chemical weathering is caused by various factors, including temperature, water, oxygen, and living organisms. In Albany, the major type of weathering that occurs is chemical weathering.\Albany, being located in a region of moderate climate with high humidity and abundant rainfall, experiences chemical weathering. The abundant rainfall and high humidity increase the rate of weathering. This increases the amount of water that comes into contact with the rocks, leading to chemical reactions that cause chemical weathering. The chemical weathering in Albany is also caused by the presence of acid rain. Acid rain is caused by air pollution and contains high levels of sulfur dioxide and nitrogen oxide. When it falls on rocks, it reacts chemically with the minerals in the rocks, leading to chemical weathering.In conclusion, the major type of weathering that occurs in Albany is chemical weathering. This is due to the region's moderate climate, high humidity, abundant rainfall, and the presence of acid rain. Chemical weathering can lead to the formation of soil, which is important for agriculture and other human activities.

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Answer:

A.

Explanation:

got it correct on edge.

The probability of a hurricane forming in the northern hemisphere is about 36.4%.

To find the probability of a hurricane forming in the northern hemisphere, we need to use the formula for conditional probability. The formula is P(A|B) = P(A and B) / P(B), where A and B are two events.

In this case, the events are "hurricane forming" and "in the northern hemisphere". We can fill in the formula with the values from the two-way table:
P(hurricane | northern hemisphere) = P(hurricane and northern hemisphere) / P(northern hemisphere)

From the table, we see that there were 43 hurricanes that formed in the northern hemisphere. The total number of storms in the northern hemisphere is 75+43 = 118. Therefore:
P(hurricane | northern hemisphere) = 43/118

We can simplify this fraction by dividing the numerator and denominator by the greatest common factor of 43 and 118, which is 1. So:
P(hurricane | northern hemisphere) = 43/118 ≈ 0.3644

To express this as a percentage, we multiply by 100 and round to the nearest tenth:
P(hurricane | northern hemisphere) ≈ 36.4%

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Solid iron forms when liquid iron because cooler. this energy change is not  sign of  chemical change. this is a physical change.

The physical change is the change no new substance is formed only the physical properties changes such as size, color, shape , phase change of the substance. A chemical change is a change in which a new substances id form or the chemical properties changes. in the case of iron melting the state of iron changes from solid to liquid no new substances is formed so. this type of change is physical change.

Thus, Solid iron forms when liquid iron because cooler. this energy change is not  sign of  chemical change. this is a physical change.

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To determine the molar mass of the element, we will use the formula:$$\mathrm{Molar\ mass}=\frac{\mathrm{Density}}{\mathrm{Moles}/\mathrm{Volume}}$$Given:$$\mathrm{Density}=13.55\:\mathrm{g/cm^3}$$$$\mathrm{Moles}=1.16\:\mathrm{mol}$$$$\mathrm{Volume}=17.17\:\mathrm{cm^3}$$.

Given that, density = 13.55 g/cm3molar mass = ?mass of sample = density x volume$$\therefore \ \text{mass of sample} = \mathrm{density} \times \mathrm{volume}$$$$\Rightarrow\mathrm{mass} =13.55 \:\mathrm{g/cm^3} \times 17.17 \:\mathrm{cm^3}=232.7315\:\mathrm{g}$$Now, Molar mass is given by,$$\mathrm{Molar\ mass}=\frac{\mathrm{Density}}{\mathrm{Moles}/\mathrm{Volume}}$$$$\Rightarrow\mathrm{Molar\ mass}=\frac{13.55\:\mathrm{g/cm^3}}{1.16\:\mathrm{mol}/17.17\:\mathrm{cm^3}}=103.1\:\mathrm{g/mol}$$Therefore, the molar mass of the element is 103.1 g/mol.

The given information is about the element's sample. The formula for molar mass is used to find out the unknown molar mass of the given element.

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Answer:

the answer is d

Explanation:

Answer:

An energy pyramid shows the flow of energy at each trophic level in an ecosystem. A pyramid shape is used because energy is lost at each trophic level when organisms use it up.

Explanation:

Answer:

223 g

Explanation:

Answer:Phosphate

Explanation:It is called phosphate because of this higher state (otherwise it would be called phosphite and be PO3+3 ).

Approximately 6,157.8 grams of carbon atoms are needed to make 1.50 moles of sucrose (C12H22O11).

To determine the number of grams of carbon atoms needed to make 1.50 moles of sucrose (C12H22O11), we need to use the molar mass of sucrose and the ratio of carbon atoms in its chemical formula.

The molar mass of sucrose (C12H22O11) can be calculated by adding the atomic masses of its constituent elements. The atomic mass of carbon is approximately 12.01 g/mol.

The molar mass of sucrose can be calculated as follows:
(12 carbon atoms * 12.01 g/mol) + (22 hydrogen atoms * 1.01 g/mol) + (11 oxygen atoms * 16.00 g/mol) = 342.3 g/mol

Now, we can use the molar mass and the given number of moles to calculate the grams of carbon atoms.

Since there are 12 carbon atoms in one molecule of sucrose, we can use the ratio of carbon atoms to calculate the grams of carbon.

(12 carbon atoms / 1 molecule of sucrose) * (1.50 moles of sucrose) * (342.3 g/mol) = 6,157.8 grams of carbon

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Answer:

I think it is true, but I am not to sure.

Answer:

True

Explanation:

Tornadoes are far and away the most dangerous storms in terms of deaths and injuries by an order of magnitude. Hurricanes, typhoons, and storm surges cause the most property damage, droughts and floods cause the most crop damage