What music group demonstrates how they use sound technology when recording songs?


a.) creed

b.) foo fighters

c.)pearl jam

d.)sound garden

Answer:

Mg(OH)₂ ​+  2HCI → MgCI₂ ​+ 2 H₂ ​O

Explanation:

Answer:

Explanation:

Using Charles Law ,

\(\frac{V1}{T1}=\frac{V2}{T2}\)

Using this formula we have ,

V1= 200cm^3

T1=40+273.15 = 313.15 K

T2 = 100+273.15 = 373.15 k

V2= ?

Hence using above formula simplify it we will get ,

V2 = 238.3 cm^3

Answer:

i dont know that plzzz help me tooooo

Answer:

As KBr

is producing lesser moles of product so, KBr

is limiting reactant and produced potassium chloride=

187.74g

Answer:

Na has the most similar configuration.

Explanation:

Na electron configuration: 1s²2s²2p⁶3s¹ or [Ne] 3s₁

Mg electron configuration: 1s²2s²2p⁶3s² or [Ne] 3s²

Be electron configuration: 1s²2s² or [He] 2s²

This is because Na and Mg are right next to each other in the same period (horizontal).

Answer:

Na has the most similar configuration. Na electron configuration: 1s²2s²2p⁶3s¹ or [Ne] 3s₁. Mg electron configuration: 1s²2s²2p⁶3s² or [Ne] 3s². Be electron configuration: 1s²2s² or [He] 2s². Na and Mg are right next to each other in the same period

Answer:

4+3=3+3+2

Explanation:

4Ni(oh)3+3pb(so4)2=3pb(oh)4+2Ni2(so4)3

The statement that best completes the student table is Insects can walk on the surface of water. Option A

This statement describes the effect of water's property of surface tension on the environment. Surface pressure permits water atoms to stay together and frame a lean, cohesive layer on the surface, making a "skin" that creepy crawlies can walk on without sinking.

Surface tension  could be a property of water that emerges due to the cohesive powers between water atoms. Water particles have a propensity to draw in and adhere to each other, making a "skin" or cohesive layer on the surface of water. This cohesive constrain comes about in the next surface pressure compared to other fluids.

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The percent sugar concentration in orange soda is approximately 13.24%.

The volume of orange soda is given as 355 mL and its density is given as 1.043 g/mL. According to the nutrition label, there are 49 g of sugar in a 355 mL serving of orange soda.Using the density, we can convert the 355 mL volume into grams as follows:Volume = 355 mL; Density = 1.043 g/mL; Mass = ?To convert mL to g we need to multiply the volume with the density. Thus,Mass = Volume x Density= 355 x 1.043= 369.965 gThus, the mass of a 355 mL serving of orange soda is approximately 369.965 g.Next, we can calculate the percentage of sugar in the beverage as follows:Percent sugar concentration = (Mass of sugar / Total mass of beverage) x 100%Percent sugar concentration = (49 g / 369.965 g) x 100%Percent sugar concentration = 0.1324 x 100%Percent sugar concentration = 13.24%Therefore, the percent sugar concentration in orange soda is approximately 13.24%.

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Answer:

Explanation:

i may be wrong but i think its b

Answer:

B Ndaira is right for real

Answer: B. the moon's orbit is closer to the earth.

Explanation: I took the test

Answer:

B The moon’s orbit is closer to Earth.

Explanation:

I took the test on Edge :)

Moles of gas : 0.414

Given

V =29.90 liters,

P = 336.99 mmHg = 0,443 atm

T = 390K

Required

moles

Solution

In general, the gas equation can be written  

\(\large {\boxed {\bold {PV = nRT}}}\)

where  

P = pressure, atm , N/m²

V = volume, liter  

n = number of moles  

R = gas constant = 0.082 l.atm / mol K (P= atm, v= liter),or 8,314 J/mol K (P=Pa or N/m2, v= m³)

T = temperature, Kelvin  

Input the equation

n = PV/RT

n = 0.443.29.9/0.082.390

n= 0.414 moles

Answer:

The answer to your question is D

Answer:

its d bro so easy

Explanation:

because it talks about nature and nuture so samantha inherited it and also learned stuff

Answer:

i think the answer is c because it says that is all they care

The correct lobe of the brain responsible for hearing is the temporal lobe (option b).

The temporal lobe is located on the sides of the brain, just above the ears. This lobe is primarily associated with auditory processing and interpretation of sound. It plays a crucial role in receiving and processing auditory information from the ears.

Within the temporal lobe, there are specialized structures such as the primary auditory cortex, which is responsible for initial sound processing. As sound waves reach the ears, they are converted into electrical signals and transmitted to the auditory cortex in the temporal lobe.

The auditory cortex then analyzes these signals, allowing us to perceive and interpret sounds. Additionally, the temporal lobe is involved in other functions, including memory, language comprehension, and facial recognition.

Damage to the temporal lobe can result in various hearing-related disorders, such as auditory processing disorders or difficulties in recognizing and understanding speech.

It is important to note that while other lobes of the brain may contribute to auditory processing indirectly, the temporal lobe is primarily responsible for hearing.

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Answer:

Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the surroundings to form products.

Answer:

Chemical reactions that absorb (or use) energy overall are called endothermic. In endothermic reactions, more energy is absorbed when the bonds in the reactants are broken than is released when new bonds are formed in the products.

The stages of cellular respiration during which carbon dioxide is released are: the citric acid cycle, oxidative phosphorylation, and pyruvate oxidation. The correct option among the given options is B, C, and E.

Cellular respiration is the process by which cells convert nutrients into energy, which is needed for the organism to carry out various metabolic processes. Cellular respiration includes three phases, which are:

This process is a critical component of energy generation in cells, and the majority of the ATP generated by cells is produced through this process. Carbon dioxide is a byproduct of cellular respiration, and it is produced as a result of the breakdown of glucose.

The majority of the CO2 produced during cellular respiration is released during the citric acid cycle, pyruvate oxidation, and oxidative phosphorylation (options B, C, and E).

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Answer:

Vapor pressure is reduced by the presence of a solid solute in a liquid.

A lower temperature is required to crystallize ice from saltwater.

The boiling point of saltwater is above the boiling point of pure water.

Separation of a solution mixture relies on the properties of the substances in the solution.

Explanation:

The lipoproteins LDL and HDL are thought to influence heart disease risk because LDL is contributing to the formation of plaques and atherosclerosis, while HDL helps remove cholesterol from the arteries.

LDL (low-density lipoprotein) and HDL (high-density lipoprotein) are two types of lipoproteins involved in the transport of cholesterol in the bloodstream. They play a significant role in influencing heart disease risk due to their distinct functions and effects on cholesterol metabolism.

1. LDL: it is often referred to as "bad cholesterol" because it carries cholesterol from the liver to peripheral tissues, including arterial walls. High levels of LDL in the bloodstream can lead to the deposition of cholesterol in arterial walls, contributing to the formation of plaques. These plaques can narrow the arteries and restrict blood flow, a condition known as atherosclerosis. If a plaque ruptures, it can trigger the formation of blood clots, potentially leading to a heart attack or stroke.

2. HDL: HDL, on the other hand, is often referred to as "good cholesterol" due to its beneficial effects on heart health. HDL transports cholesterol from peripheral tissues, including arterial walls, back to the liver for metabolism and elimination. It acts as a scavenger, removing excess cholesterol from the arteries and transporting it away, which can help prevent the buildup of plaques. HDL also possesses anti-inflammatory and antioxidant properties, which further contribute to its protective effect against heart disease.

The balance between LDL and HDL levels in the bloodstream is an essential factor in assessing heart disease risk. High levels of LDL and low levels of HDL are associated with an increased risk of developing atherosclerosis and heart disease. Conversely, higher levels of HDL and lower levels of LDL are generally considered favorable for heart health.

LDL and HDL lipoproteins influence heart disease risk because LDL is associated with the deposition of cholesterol in arterial walls, contributing to atherosclerosis, while HDL helps remove cholesterol from the arteries and has a protective effect. Maintaining a healthy balance between LDL and HDL levels is crucial for reducing the risk of heart disease.

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When 22.2g of NH₃ reacts with an excess of fluorine, 26.0 g of HF form. The balanced equation for this reaction is: NH₃ + F2 → HF + NHF₂

1. Calculate the molar mass of NH₃ and HF; Molar mass of NH₃ = 14.01 + 1.01 × 3 = 17.04 g/mol Molar mass of HF = 1.01 + 18.99 = 20.00 g/mol

2. Determine the number of moles of NH₃ used. Moles of NH₃ = 22.2 g ÷ 17.04 g/mol = 1.30 mol

3. Find the limiting reactant NH₃ + F₂ → HF + NHF₂

For every mole of NH₃ that reacts with F₂, one mole of HF is produced. Therefore, 1.30 mol of NH₃ will produce 1.30 mol of HF.

4. Calculate the number of moles of HF formed. Number of moles of HF = number of moles of NH₃ used = 1.30 mol5. Calculate the mass of HF formed. Mass of HF = number of moles × molar mass= 1.30 mol × 20.00 g/mol= 26.0 g

Therefore, 22.2g of NH₃ reacts with an excess of fluorine to form 26.0 g of HF.

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The temperature is 250 K.

The law that the product of the pressure and the volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature of the gas and the universal gas constant.

By  ideal gas law , PV = nRT

P = 10 atm

V = 5 l

n = 2.5 mol

R = 0.0821 atm liter mol⁻¹ K⁻¹

T = Temperature is to find out according to question.

Put these values in PV = nRT

PV = nRT

10 × 5 = 2.5 × 0.0821 × T

T = 50/0.2

T = 250 K

Hence, the temperature is 250 K.

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Atomic radius generally decreases from left to right across a period because the effective nuclear charge Increases while electrons are being added to the same outer level. These additional electrons are shielded less well by inner electrons and are therefore attracted more strongly by the nucleus. .

In the periodic table, atomic radii generally decrease as you move left to right across the period (because the nuclear charge increases) and increase as you move down the group (because the number of electron shells increases).

As the attractive force between the nucleus and the electron increases, the size of the atom decreases. This effect diminishes as you move further to the right within the cycle. This is due to repulsion between electrons that would otherwise cause the atoms to increase in size.

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Answer:

Depends, but in most cases, 2.

It's best to use as many digits as possible to keep it accurate.

Explanation:

This varies between teachers, as most schools go with 2 decimal places.

This is something that depends in your situation.

You technically want as many decimals as possible to keep it as accurate, but most people stick with 2.

I personally do 3, and commonly do 5 sometimes.

the cosi2 surface is in contact with the original silicon surface, which means the original silicon surface is under the cosi2 surface.

Cosi2 is an intermetallic compound formed from the reaction of cobalt (Co) and silicon (Si). Cobalt silicide, also known as cosi2, is a compound of cobalt and silicon that is frequently used in the semiconductor industry. It is created by the reaction of cobalt with silicon, forming a thin film.

It is known to be one of the most extensively used contact materials, with a low contact resistance and good thermal stability.Silicon and cobalt are initially layered on top of one another to form a cosi2 layer. This can be done in a few different ways, including sputtering or evaporation. In general, the silicon is deposited on top of the cobalt. The reaction between the two metals, which results in the formation of cosi2, then occurs. As a result, the cosi2 layer is in contact with the original silicon surface, and the silicon surface is under the cosi2 layer.

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Answer:

2C4H10 + 13O2 → 8CO2 + 10H2O

Hope this helps brainleist??

Explanation:

By the use of the Boyle's law as we can see in the solution below, the pressure is  51.5 units.

Boyle's law is a principle in physics that describes the relationship between the pressure and volume of a gas at a constant temperature.

It states that the pressure of a gas is inversely proportional to its volume, meaning that if the volume of a gas is decreased, the pressure will increase proportionally, and if the volume is increased, the pressure will decrease proportionally.

Using the Boyles law;

P1V1 = P2V2

P2 = P1V1/V2

P2 = 12.8 * 40.2/10

P2 = 51.5

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The volume of calcium hydroxide solution required to titrate 35.0 mL of 0.440 M phosphoric acid to the third equivalence point is 87.5 mL.

In the given case, we have to calculate the volume of 0.530 M calcium hydroxide solution required to titrate 35.0 mL of 0.440 M phosphoric acid to the third equivalence point.

The chemical equation for the reaction of phosphoric acid with calcium hydroxide is given below:

H₃PO₄ + Ca(OH)₂ → Ca(H₂PO₄)₂ + 2H₂O

Molar mass of H₃PO₄ = 3(1.008) + 1(30.974) + 4(15.999)

                                    = 98.0 g/mol

Molar mass of Ca(OH)₂ = 1(40.078) + 2(15.999)

                                         = 74.1 g/mol

Number of moles of H₃PO₄ in 35.0 mL of 0.440 M

phosphoric acid= Molarity × Volume(in liters)

= 0.440 × (35.0/1000)

= 0.0154 mol

Number of moles of Ca(OH)₂ required to react completely with 0.0154 mol of H₃PO₄= 0.0154 mol

Number of moles of Ca(OH)₂ present in the solution

= Molarity × Volume(in liters)

= 0.530 × Volume

Calcium hydroxide will react with phosphoric acid until the third equivalence point is reached.

Ca(OH)₂ + 2H₃PO₄ → Ca(H₂PO₄)₂ + 2H₂O(moles)

0.0154         0.031                0.0464

(Molarity) 0.53              0.53              0.53

(Volume)    V₁                   V₂                         V₃

Equivalence point is the point where the number of moles of two reactants is equal to each other.The number of moles of H₃PO₄ is equal to the number of moles of Ca(OH)₂ at the third equivalence point,

So, 0.0464 mol of Ca(OH)₂ is required to react completely with 0.0154 mol of H₃PO₄  .

Volume of 0.530 M calcium hydroxide solution required to titrate 35.0 mL of 0.440 M phosphoric acid to the third equivalence point

= (0.0464 mol)/(0.530 mol/L)

= 0.0875

L= 87.5 mL (rounded to three significant figures)

Therefore, the volume of 0.530 M calcium hydroxide solution required to titrate 35.0 mL of 0.440 M phosphoric acid to the third equivalence point is 87.5 mL.

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Diatomaceous earth filters c. Can be used for a public water treatment system.

Diatomaceous earth filters are effective in removing particles and impurities from water. While they can be used as part of a public water treatment system, they may be combined with other methods, such as a chlorination system for disinfection or a sand filtration system for further filtration. However, diatomaceous earth filters are not typically used in public sewer treatment systems.

Diatomaceous earth filters are not typically used in public sewer treatment systems as they are designed to remove particles from water, and not sewage. In sewer treatment systems, other types of filtration and treatment methods are typically used, such as activated sludge processes, sedimentation tanks, and anaerobic digestion systems.

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The relative molecular mass of sodium trioxonitrate, NaNO₃ is 85 g/mol.

The molecular mass of a substance is the sum of all atomic masses of all atoms in a molecule. It is measured in Dalton.

The compound is NaNO₃ and the atomic mass of all atoms are given below:

Atomic Mass of sodium (Na) = 23 g

Atomic Mass of nitrogen (N) = 14 g

Atomic Mass of oxygen (O) = 16 g

Now add the atomic masses of atoms of the molecules:

Molecular mass of = 23 +14 +16(3) = 85 g/mol.

Thus, the relative molecular mass of sodium trioxonitrate is 85 g/mol.

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1. The mobile phase used does not move any of the spots at all.

The answer is;

a. There can be no separation of components

2. Pen rather than a pencil is used to draw the lines on the plate.

c. There will be smears on the TLC plate

3. The solvent line is not marked after the TLC plate is removed from the chamber.

b. Accurate Rf values cannot be determined

4. The TLC plate remains in the chamber even after the solvent has reached the top of the plate.

b. Accurate Rf values cannot be determined

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1.2 moles of methane will produce 1.2 mol of carbon dioxide.

To determine the amount of carbon dioxide (CO2) produced when 1.2 mol of methane (CH4) combusts, we need to use the stoichiometry of the balanced chemical equation.

From the balanced equation:

CH4 + 2O2 → CO2 + 2H2O

We can see that one mole of methane reacts with one mole of oxygen to produce one mole of carbon dioxide and two moles of water. To find the amount of carbon dioxide produced, we will set up a proportion based on the stoichiometric ratio:

1 mol CH4 / 1 mol CO2 = 1.2 mol CH4 / x mol CO2

Cross-multiplying and solving for x, we get:

x = (1 mol CO2 / 1 mol CH4) * 1.2 mol CH4

x = 1.2 mol CO2

Therefore, 1.2 moles of methane will produce 1.2 mol of carbon dioxide.

It is important to note that stoichiometry calculations involve the use of balanced chemical equations to determine the molar ratios between reactants and products. These ratios allow us to calculate the amounts of substances involved in a chemical reaction.

In this case, by applying the stoichiometry concept, we determined that 1.2 mol of methane will produce 1.2 mol of carbon dioxide. This means that for every mole of methane that combusts, an equal amount of carbon dioxide is produced according to the balanced equation.

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