Using the table on the right, perform the following metric unit conversions. Type your answer in the space provided.

0.001087 kg =
g

The rate of the forward reaction equals the rate of the reverse reaction is the correct statement when a system is at equilibrium. Therefore, option A is correct.

When a system is at equilibrium, it means that the forward and reverse reactions are occurring at equal rates.

The rate at which reactants are being converted into products in the forward reaction is the same as the rate at which products are being converted back into reactants in the reverse reaction.

At equilibrium, the concentrations of reactants and products may not be equal, but the ratio of their concentrations remains constant. This is known as the equilibrium constant (K) and is determined by the stoichiometry of the balanced chemical equation.

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Answer:Seafloor spreading is a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other. Seafloor spreading and other tectonic activity processes are the result of mantle convection. ... The less-dense material rises, often forming a mountain or elevated area of the seafloor.

Explanation:

Brainliest pls

The mass, in metric tons, of carbon in the methane is 1.83 metric tons

From the question, we are to determine the quantity of carbon in the methane

The mass of carbon in the methane can be calculated from

Mass of carbon in the methane = \(\frac{Mass\ of\ carbon\ in\ a\ molecule\ of \ methane}{Mass\ of\ a\ molecule\ of \ methane}\times Total\ mass\ of\ the\ methane\)

Mass of carbon in a molecule of methane = 12 g

Mass of a molecule of methane = 16 g

Therefore,

Mass of carbon in the methane = \(\frac{12}{16} \times 2.44\)

Mass of carbon in the methane = 1.83 metric tons

Hence, the mass, in metric tons, of carbon in the methane is 1.83 metric tons

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Answer:

2

Explanation:i did the test

8.05 g of CuSO₄ is the highest mass of crystals.

a) CuO(solid) + H₂SO₄(aqueous) → CuSO₄(aqueous) + H₂O(liquid)

Molecular weight,

CuO = 79 g

Molar weight of CuSO₄ = 159 g,

79 g of CuO reacted with H₂SO₄ 159 g to form CuSO₄.

∴ 4 g of CuO

= 159/79 × 4

= 8.05 g of CuSO₄

b) Percentage yield and Theoretical yield :

The Theoretical yield:

CuSO₄ of 159.6 g → CuSO₄.5H₂O of 249.5 g

8.05 g = 249.5 × 8.05 ÷ 159.6 = 12.58 g

And the percentage yield = Weight of the product ÷ Theoretical yield × 100

= 11.25 ÷ 12.58 × 100

= 89.42%

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You should probably rephrase this:

According to Coulomb's Law, as the number of protons in an atom increases (or atomic number), the nuclear energy of atoms will increase, pulling electrons closer.

I think the order would be Be, Li, K but feel free to check online before you submit any work with this.

There really are 17 electrons and 20 neutrons.

The atom's negatively charged particles are called electrons. The total negative charge of an electron's electrons counteracts the dipole moment of its protons there in atomic nucleus. The electron is a very little particle related to all of the other parts of the atom.

Briefing:

The mass number for the above is 37.

The atomic number is simply the quantity of protons or electrons in an atom.

So ..

Electrons: 17

Atomic mass divided by atomic number equals neutron number.

Put the values in, then.

37 — 17 = 20 .

Therefore , the number of neutrons is 20.

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A pure substance has definite composition and constant properties in all of the sample

Characteristics and Properties Of Pure Substances

Thus we can conclude that  a pure substance has definite composition in all of the sample

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Answer: The ground state electronic configuration of an atom having atomic mass number 37 and number of neutrons 20 is \(1s^22s^22p^63s^23p^5\)

Explanation:

Atomic number is equal to the number of protons.

Mass number is the sum of number of neutrons and number of protons.

Mass number =  number of neutrons + number of protons

37 = 20 + number of protons

number of protons = 17

The atomic number is specific to an element, and the element with atomic number 17 is chlorine.

Electronic configuration represents the total number of electrons that a neutral element contains.

\(Cl:17:1s^22s^22p^63s^23p^5\)

Answer:

A) CnH2n+2

Explanation:

The action of investigating something or someone; formal or systematic examination or research.

Scientific investigation is what people like you and me use to develop better models and explanations for the world around them.

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When two monomers are bonded together to build a polymer, a molecule of water (H2O) is formed in the process.

This is known as a dehydration or condensation reaction, where a molecule of water is lost as the monomers join together to form a polymer.

The reaction occurs between the functional groups on the monomers, such as amino (-NH2) and carboxyl (-COOH) groups in amino acids, or hydroxyl (-OH) groups in sugars. When these functional groups react, they release a molecule of water and form a covalent bond, linking the monomers together into a larger molecule.

This process is important for life because it is the basis for the formation of many biological macromolecules, such as proteins, nucleic acids, and carbohydrates. These macromolecules are essential for the structure, function, and regulation of cells and organisms.

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Answer:

Chlorine

Explanation:

Since chlorine is above bromine in the periodic table, following the trends of ionization energy in the periodic, the further up you go the more energy is required to ionize an atom.  

Answer:

16 % is the percentage of nitrogen

Answer:

The type of galaxy that is described as revolving around a single point and has spinning arms of stars which extend from the center is;

Spiral

Explanation:

A spiral galaxy which is the most common type of galaxy is a class of Hubble sequence of galaxies which was described in the 1936 work The Realm of the Nebulae by Edwin Hubble

Spiral galaxies are therefore have a flat disk shape such that the stars, the dusts, and the gas that make up the galaxy cluster in several radially spreading spiral arms that come together in the galaxy center

Answer:

Spiral

Explanation:

To calculate the molar solubility (s) of lead(II) fluoride (PbF2) in 0.10 M NaF, we need to use the solubility product constant (Ksp) of PbF2. The Ksp value given is 3.6×10−8.

The solubility product constant expression for PbF2 is:

Ksp = [Pb2+][F-]^2

Since we have 0.10 M NaF, we can assume that all the fluoride ions (F-) come from NaF. Therefore, the concentration of fluoride ions ([F-]) is equal to the initial concentration of NaF, which is 0.10 M.

Let's assume the molar solubility of PbF2 is s, so the concentration of lead ions ([Pb2+]) is also s.

Substituting these values into the Ksp expression, we get:

3.6×10−8 = (s)(0.10)^2

Solving for s, we have:

s = √(3.6×10−8 / 0.01)

s ≈ 6×10−5 mol/L

Therefore, the molar solubility (s) of lead(II) fluoride in 0.10 M NaF is approximately 6×10−5 mol/L.

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Answer: All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids.

Explanation: please mark as brainliest

In isostatic adjustment, the force exerted by the asthenosphere is called the buoyant force.

There is a semi-fluid layer called the asthenosphere, which can flow for a very long time. The term "isostatic adjustment" describes the Earth's crust's vertical movement in reaction to variations in the load or mass distribution acting on the crust.

The asthenosphere reacts by exerting a buoyant force whenever there is a change in the load on the Earth's crust, such as the buildup or removal of ice, sediment deposition. This force attempts to preserve isostatic balance by acting in the opposite direction of the load.

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All the substances below have the same mass, Wood requires the most energy to raise its temperature by 7°C. Therefore, option D is correct.

The specific heat capacity of a substance is typically determined by measuring the heat capacity of a sample of the substance, usually with a calorimeter, and dividing by the mass of the sample.

The specific heat, also known as specific heat capacity, is the amount of energy required to raise the temperature of one kilogram of mass by one degree Celsius.

If all substances have the same mass, the ability to increase in 7°C will be determined by the lower value of the specific heat. In this case, wood requires less energy to raise the temperature by 7 degrees Celsius.

Thus, option D is correct.

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When using the sulfosalicylic acid test, false-positive protein results may occur in the presence of substances such as penicillin, cephalosporins, and tetracyclines, as well as high levels of uric acid and some detergents.

It is important to consider these potential interfering substances when interpreting the results of the sulfosalicylic acid test. False-positive protein results may occur in the presence of:

1. Radiographic contrast media
2. Highly pigmented urine
3. Medications such as penicillin or sulfonamides
4. High concentrations of uric acid

These substances can interfere with the sulfosalicylic acid test, leading to inaccurate protein measurements.

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We can use the ideal gas law equation to get the volume of the sample:

PV = nRT

Where:

P = pressure (in atm)

V = volume (in liters)

n = number of moles

R = ideal gas constant (0.0821 L·atm/mol·K)

T = temperature (in Kelvin)

The temperature must first be converted from Celsius to Kelvin:

T(K) = T(°C) + 273.15

T(K) = 34 + 273.15 = 307.15 K

The values ​​can now be entered into the ideal gas law equation as follows:

1.21 atm * V = 4.22 mol * 0.0821 L·atm/mol·K * 307.15 K

Simplifying the equation:

V = (4.22 mol * 0.0821 L·atm/mol·K * 307.15 K) / 1.21 atm

V = 87.886 L

The volume is roughly 87.9 L, rounded to three significant numbers.

Therefore, the correct option is A.

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Answer:

I think it's Nuclear

Answer:

i am not sure but

Explanation:

b and c should be correct

Answer:b and D

Explanation:

Answer:$$7.50 x 10^23$$

$$H_2SO_4$$?

Explanation:It is a fact that such a quantity has a mass of  

98.08

⋅

g

. Why? Because  

6.022

×

10

23

particles SPECIFIES a molar quantity. And we know (or can calculate) that sulfuric acid has a molar mass of  

98.08

⋅

g

...  

Answer:0

Explanation: zero because it is the most stable form of oxygen in its standard state

The carburizing time necessary to achieve a carbon concentration of 0.30 wt% at a position 4 mm into an iron-carbon alloy is 63.4 hours.

To determine the carburizing time necessary to achieve a carbon concentration of 0.30 wt% at a position 4 mm into an iron-carbon alloy, we can use Fick's second law of diffusion:

\(DC_{surface} / 2 = (C_{surface} - C_{4mm}) / erf(x / (2 * \sqrt{Dt} ))\\\)

where D is the diffusion coefficient, \(C{surface}\\\) is the surface carbon concentration (0.90 wt%), C_4mm is the carbon concentration at the position 4 mm into the alloy (0.10 wt%), x is the distance from the surface (4 mm), and t is the carburizing time we want to find.

We can use the diffusion coefficient for γ-Fe at 1100°C from Table 5.2, which is D = \(6.0 * 10^{-12} m^2/s.\)

Substituting the given values, we get:

\((6.0 * 10^{-12} m^2/s) * (0.90 - 0.30) / 2 = (0.90 - 0.10) / erf(4 mm / (2 * \sqrt{6.0 * 10^{-12} m^2/s} ))\)

Simplifying the left-hand side, we get:

\(1.8 * 10^{-12} m^2/s = (0.80) / erf(4 mm / (2 * \sqrt{(6.0 * 10^{-12} m^2/s) * t)})))\)

Taking the inverse error function of both sides, we get:

\(erf(4 mm / (2 * \sqrt{6.0 * 10^{-12} m^2/s) * t)} ) = 0.000346\)

Substituting this back into the previous equation, we get:

\(1.8 * 10^{-12} m^2/s = (0.80) / 0.000346\)

Solving for t, we get:

t = 63.4 hours

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