In Part A, you found the number of moles of product (1.80 mol P2O5 ) formed from the given amount of phosphorus and excess oxygen. In Part B, you found the number of moles of product (1.40 mol P2O5 ) formed from the given amount of oxygen and excess phosphorus.

Answer:It is called crystalline

Explanation:

The answer is True

Explanation:

Hope this helps

Answer:

Left

Explanation:

To convert from Nanograms to centigrams, you have to move the decimal to the left hand side.

          1 nanograms  = 1 x 10⁻⁹g

          1 centigrams  =  1 x 10⁻² g

So to convert from nanograms to centigrams,

          Multiply by 1 x 10⁻⁷ or move 7 places to the left

Answer:

\(\huge\boxed{\sf M_2 \approx 0.38 \ M}\)

Explanation:

Initial volume = \(V_1\) = 55.5 mL

Initial Molarity = \(M_1\) = 1.3 M

Final volume = \(V_2\) = 188.5 mL

Final Volume = \(V_2\) = ?

\(M_1V_1 = M_2V_2\)

Put the given data.

Finding new molarity.

\((55.5)(1.3)=(188.5)(M_2)\\\\72.15 = 188.5 (M_2)\\\\Divide \ both \ sides\ by \ 188.5\\\\72.15/188.5 = M_2\\\\M_2 \approx 0.38 \ M\\\\\rule[225]{225}{2}\)

Answer:

Explanation:

according to the balance chemical equation

2 moles of c6h14 give us 14 moles of H2O

now mass(in gram) of 2 moles of C6H14 is

moles=mass/molar mass

mass=molar mass*moles

molar mass of C6H14 is 86 therefore

mass=86*2=172

now mass of 14 moles of water is

mass=molar mass*moles

molar mass of water is 18

mass=18*14=252

from the above calculations we conclude that  

172 grams of C6H14 produce 252 grams of water

so 1.28 grams of C6H14 produce =252*1.28/172=1.87 grams of water

result is that 1.28 grams of C6H14 produced 1.87 grams of water

Considering the definition of De Broglie wavelength, De Broglie wavelength is 6.62×10⁻³⁵ m.

De Broglie predicted that a particle with mass m and velocity v (i.e. linear momentum p) should exhibit the behavior of a wave with wavelength value λ. Thus, Louis de Broglie suggested that matter also had characteristics of waves and particles, and proposed to relate a wavelength to the particles of matter.

So he related the wavelength, λ, to the momentum of the particle, using the formula:

λ= h ÷(m×v)

where:

In this case, you know that:

Replacing in the definition of De Broglie wavelength:

λ= 6.62×10⁻³⁴ J.s ÷(0.4 kg× 25 m/s)

Solving:

λ= 6.62×10⁻³⁵ m

Finally, De Broglie wavelength is 6.62×10⁻³⁵ m.

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Water molecules that have escaped or evaporated from the body of water then water get excited and they begin to gain kinetic energy

A water molecule has a three atom two hydrogen and one oxygen atom and that's why water is sometime refred to as H₂O and a single drop of water contain billion drop of molecule and evaporation is the process in which given to the change that occurs to a substance that changes it from its liquid state to a gaseous state

When water get evaporates the molecule of water in a glass will get excited and they begin to gain kinetic energy and vigorously hit the wall of glass

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Answer:

ndcuffaStuff that restrains you from something or someone basicially handcuffs or shackles

Explanation:

Answer:

a limitation or restriction.

OR

stiffness of manner and inhibition in relations between people.

The temperature of the gas in Kelvin, after its volume is reduced to 2,450 mL, is approximately 143.27 K.

To determine the temperature of the gas in Kelvin after its volume is reduced, we can use the combined gas law, which relates the initial and final conditions of pressure, volume, and temperature for a given amount of gas.

The combined gas law equation is:

(P₁ * V₁) / T₁ = (P₂ * V₂) / T₂

Where P₁ and P₂ are the initial and final pressures, V₁ and V₂ are the initial and final volumes, T₁ is the initial temperature in Kelvin, and T₂ is the final temperature in Kelvin.

Given that the initial volume V₁ is 3,480 mL, the initial temperature T₁ is -70.0 °C (which needs to be converted to Kelvin), and the final volume V₂ is 2,450 mL, we can substitute these values into the equation.

To convert -70.0 °C to Kelvin, we add 273.15 to it, resulting in T₁ = 203.15 K.

Now we can solve for T₂:

(T₂ * V₁) / T₁ = V₂

T₂ = (V₂ * T₁) / V₁ = (2,450 mL * 203.15 K) / 3,480 mL

Simplifying the equation, we find:

T₂ ≈ 143.27 K

Therefore, the temperature of the gas in Kelvin, after its volume is reduced to 2,450 mL, is approximately 143.27 K.

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Answer:

⊂⊃: explanation is the picture above

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The process of dissolved solute particles being surrounded by the  water molecules in an aqueous solution is called solvation or hydration.

Solvation occurs when water molecules surround and interact with solute particles, usually ions or polar molecules, forming a stable solution. The water molecules surround the solute particles, with their polar ends facing the solute, creating a layer of water molecules around the solute particles, effectively dispersing and stabilizing them throughout the solution.

Solvation is a key process in many chemical and biological reactions that occur in aqueous solutions, as it helps to facilitate the dissolution of solutes and influences their properties and behavior in solution.

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--The given question is incomplete, the complete question is

"The process of dissolved solute particles being surrounded by water molecules in an aqueous solution is called ----------- ."--

Approximately 194.0 grams of glucose (C6H12O6) would be required to prepare a 5000 mL solution with a concentration of 0.215 M.

To determine the mass of glucose (C6H12O6) required to prepare a 0.215 M solution in 5000 mL, we need to use the formula:

Molarity (M) = moles of solute / volume of solution (in liters)

First, let's convert the volume of the solution from milliliters (mL) to liters (L):

5000 mL = 5000/1000 = 5 L

Now, we can rearrange the formula to solve for moles of solute:

moles of solute = Molarity (M) x volume of solution (L)

moles of solute = 0.215 M x 5 Lmoles of solute = 1.075 mol

Since glucose (C6H12O6) has a molar mass of approximately 180.16 g/mol, we can calculate the mass of glucose using the equation:

mass of solute = moles of solute x molar mass of solute

mass of glucose = 1.075 mol x 180.16 g/mol

mass of glucose = 194.0 g (rounded to three significant figures)

Therefore, approximately 194.0 grams of glucose (C6H12O6) would be required to prepare a 5000 mL solution with a concentration of 0.215 M. It's important to note that the molar mass of glucose used in this calculation may vary slightly depending on the level of precision required.

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The color of the object appears as yellow/orange.

The visible light spectrum spans a wavelength range of 400 to 700 nanometers (nm), with shorter wavelengths appearing as blue or violet and longer wavelengths as red.

This object is absorbing light with wavelengths between 430 and 400 nm, indicating that it is absorbing light that is visible in the blue and violet spectrum.

We know that this color that we see is actually a complementary color to blue/violet from the color wheel.

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We can use the following equation to depict this relationship:

\(n=\dfrac{m}{M}\)

\(n=\dfrac{m}{M}\)

We're given that the mass is 56.1 g:

\(n=\dfrac{56.1}{M}\)

From a periodic table, we can deduce that the molar mass of CaCO₃ is 100.087 g/mol (taken from ChemSpider):

\(n=\dfrac{56.1}{100.087}\)

\(n=0.561\)

0.561 moles

Answer:b zinc ,d=7.14g/

Explanation:

Answer:

c

Explanation:

when the weight of the object is greater than the buoyant force sinking is occurred.

The new volume would be 1.6 L

The best way to calculate the volume of a substance in this situation is to use Boyle's law:

In this formula, the initial pressure multiplied by the initial volume is equivalent to the second pressure multiplied by the volume.

Let's now use the values given:

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Explanation:

CH4+8/2Cl2—>CCl4+4HCl

that is,1molecule of methane+8/2 molecules of dichlorine—>1molecule of carbon tetrachloride+4molecules of hydrogen chloride

Answer:

Table salt.

Explanation:

Table salt would shatter when hit with a hammer.

Answer:

5.83g C4H10 x (1 mol C4H10/58.05 g (molar mass of C4H10) x (10 mol H2O/ 2 mol C4H10) x (18.002 g H2O (molar mass of H2O)/ 1 mol H2O=

Answer: 9.04 g of H2O

Explanation:

First set up equation: C4H10 (g)+ O2(g) -> CO2(g) + H2O(g)

Next balance it: 2C4H10 (g)+ 13O2(g) -> 8CO2(g) + 10H2O (g)

Use equation to get moles and plug given

5.83g C4H10 x (1 mol C4H10/58.05 g (molar mass of C4H10) x (10 mol H2O/ 2 mol C4H10) x (18.002 g H2O (molar mass of H2O)/ 1 mol H2O

The molarity of the HNO3 solution is 0.463 M.

To determine the molarity of the HNO3 solution, we can use the stoichiometry of the balanced chemical equation and the volume and molarity of the Ca(OH)2 solution used.

From the balanced equation, we can see that the stoichiometric ratio between HNO3 and Ca(OH)2 is 2:1. This means that for every 2 moles of HNO3, 1 mole of Ca(OH)2 is required to reach the equivalence point.

Given that the volume of the Ca(OH)2 solution used is 31.27 mL and its molarity is 0.167 M, we can calculate the number of moles of Ca(OH)2 used:

moles of Ca(OH)2 = volume (in liters) x molarity

= 0.03127 L x 0.167 mol/L

= 0.0052169 mol

Since the stoichiometric ratio is 2:1, the number of moles of HNO3 used is twice that of Ca(OH)2:

moles of HNO3 = 2 x moles of Ca(OH)2

= 2 x 0.0052169 mol

= 0.0104338 mol

Now we need to calculate the molarity of the HNO3 solution using the volume of the HNO3 solution used, which is 22.5 mL:

molarity of HNO3 = moles of HNO3 / volume (in liters)

= 0.0104338 mol / 0.0225 L= 0.463 M

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Answer:

10 cm

Explanation:

because the magnetic force of attraction becomes weaker from a greater distance.

Answer:

D 10cm

Explanation:

As the distance between the two objects(magnet and Ferromagnetic Metals and Alloys) increases the magnetic for will decrease

if a iron nail is kept 1cm far from a magnet then the magnet will atract it easily but if the same iron nail is kep 3cm far from the magnet then the magnet won't attract it easily .

(Ferromagnetic materials such as iron, nickel and cobalt are attracted to magnets, as well as rare-earth metals like gadolinium, neodymium and samarium.)

Hope you've understood

The diameter of the spherical nucleus of hydrogen-1 atom is 1 x 10^-13 cm. The density (g/cm3) of matter in a proton of mass of proton is 1.673 x 10^-24 is 3.193 × 10¹⁵ g/cm³.

The density of a substance is its mass per unit volume. The most common symbol for density is, but the Latin letter D can also be used. Density is defined mathematically as mass divided by volume.

Diameter = 1 x 10⁻¹³ cm

Mass = 1.673 x10⁻²⁴ g

Volume = 4/3πr³

Volume = 4/3 × 22/7 × (1 × 10⁻¹³ / 2)³

Volume = 11 × 10⁻³⁹ / 21

Density = Mass / Volume

           = 1.673 x10⁻²⁴ / 11 × 10⁻³⁹ / 21

Density = 3.193 × 10¹⁵ g/cm³

Thus, the density (g/cm3) of matter in a proton of mass of proton is 1.673 x 10^-24 is 3.193 × 10¹⁵ g/cm³.

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Answer:

C. Matter

Explanation:

Using process of elimination

Rock and glass are non living things

Animals and plants Living things        

these cancel each other out I excluded wood be because this depends on whether or not the tree was harvested.

While atoms are in every thing, Matter is in any thing thing that takes up space whether it be air or a rock making it the best answer.

Answer:

1 carbon 2 oxygen

Explanation:

The statement is incomplete, but I assume the missing word is "graphics card" or "GPU" and upgrading the usually speeds up the computer.

Why adding a Graphics card can improve sound or video quality?

Adding a dedicated graphics card can indeed improve the sound or video quality by offloading the processing of graphics-intensive tasks from the CPU to the GPU. This can result in smoother video playback, faster rendering of 3D graphics, and improved overall system performance.

It's also worth noting that upgrading other components, such as the RAM or CPU, can also improve system performance, not just the speed of the computer. Adding more RAM can help with multitasking and running memory-intensive applications, while upgrading the CPU can improve overall processing power and speed.

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