what is the systematic name for the following compound 2-bromo,2methylpropane

Answer:

1. It depends what type of method you are using. if it is Height x Width x Length then it will not work for an irregular shape because it has extra pieces that would not be included.

2. The second method would work for both regular and irregular shapes because you would have to know or find out the volume of the regular shape to get the volume for the irregular shape.

3. It also depends on what you are doing, if you are doing a regular shape then use the first method, if it's an irregular shape then use the second method, if you do the maths correctly both should give you an accurate answer for what you want to achieve.

4. No, because the sugar would dissolve.

5. No, on this case the displacement method would not work because of the weight difference

Explanation:

All the answers for you!

The Na+-K+ pump is an active transport mechanism responsible for maintaining the concentration gradients of sodium (Na+) and potassium (K+) ions across the cell membrane. It uses ATP to pump three Na+ ions out of the cell and two K+ ions into the cell, thereby generating an electrochemical gradient.

The Na+-K+ pump, also known as the sodium-potassium pump or Na+/K+-ATPase, is an integral membrane protein found in the plasma membrane of cells. It plays a crucial role in maintaining the resting membrane potential and electrochemical balance necessary for cellular functions. The following statements about the Na+-K+ pump are true:

1. The Na+-K+ pump is an active transport mechanism: The pump requires energy in the form of adenosine triphosphate (ATP) to drive its pumping action against the concentration gradients of sodium and potassium ions.

2. It pumps three Na+ ions out of the cell: The pump uses the energy from ATP hydrolysis to bind three sodium ions from the intracellular side of the membrane and transport them against their concentration gradient, releasing them outside the cell.

3. It pumps two K+ ions into the cell: Simultaneously, the Na+-K+ pump also binds two potassium ions from the extracellular side of the membrane and transports them into the cell against their concentration gradient.

4. It maintains concentration gradients: The net result of the Na+-K+ pump's action is the export of positive charge (Na+) from the cell and the import of positive charge (K+) into the cell, contributing to the establishment of the resting membrane potential and the maintenance of ion concentration gradients.

In summary, the Na+-K+ pump is an active transport mechanism that uses ATP to pump three Na+ ions out of the cell and two K+ ions into the cell, thereby establishing and maintaining the concentration gradients of these ions across the cell membrane.

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The skeletal system is the system that provides support to an organism, internal and made up of bones and cartilage in vertebrates, external in some other animals.

Tendon is a tough band of flexible but inelastic fibrous collagen tissue that connects a muscle with its bony attachment and transmits the force which the muscle exerts.

The femur is the bone that extends from the pelvis to the knee in humans. It is the largest bone of the human body.

The carpal bones are any of the eight bones of the carpus, which is the group of bones that make up the wrist.

The osseous or bone tissue is the major structural and supportive connective tissue of the body which forms the rigid part of the bone organs that make up the skeletal system.

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Among the options provided, the statement that accurately describes a type of potential energy found in a container full of a chemical substance in liquid form is: "The bonds between atoms are one place where potential energy is stored."

In a container filled with a chemical substance in liquid form, the potential energy is primarily stored in the bonds between atoms within the molecules of the substance. These bonds are formed by the sharing or transferring of electrons between atoms, creating a stable arrangement. The potential energy arises from the electrostatic interactions between the charged particles involved in these chemical bonds.When the liquid substance is in its equilibrium state, the potential energy stored in the bonds represents the energy required to break these bonds and separate the atoms, transforming the substance into a different state (such as a gas or a solid).

This potential energy is released when the substance undergoes a chemical reaction or when external forces act upon it.While other forms of potential energy can also exist in a liquid substance, such as kinetic energy due to the speed of the particles or vibrational energy of the atoms within the molecules, these are generally associated with other types of energy rather than potential energy.

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Answer:

P1=1.10atm

V1=2.00L

T1=30.0+273=303

P2=2.40atm

V2=?

T2=80.0+273=353

Explanation:

V2=1.10*2.00*353=776.6

2.40*303=727.2

776.6/727.2=1.0679L

The new volume occupied by the of gas as its temeprature and pressure is raised is 1.07L.

Combined gas law put together both Boyle's Law, Charles's Law, and Gay-Lussac's Law. It states that the ratio of the product of volume and pressure and the absolute temperature of a gas is equal to a constant.

It is expressed as;

P₁V₁/T₁ = P₂V₂/T₂

Given the data question;

To calculate the new volume that the gas occupy, we subtsitute our given values into the expression above.

P₁V₁/T₁ = P₂V₂/T₂

P₁V₁T₂ = P₂V₂T₁

V₂ = P₁V₁T₂  / P₂T₁

V₂ = ( 1.10atm × 2.00L × 353.15K )  / ( 2.40atm × 303.15K )

V₂ = 776.93LatmK / 727.56atmK

V₂ = 1.07L

Therefore, The new volume occupied by the of gas as its temeprature and pressure is raised is 1.07L.

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Answer:

False

Explanation:

Many abused drugs are prescription drugs.

Answer:

50 mph

Explanation:

Answer:

5 miles per hour

Explanation:

TRUST ME

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Your question: Activation energy is determined by the strength of bonds that must be formed.

My answer:

Activation energy is the minimum amount of energy that reactants in a chemical reaction must possess so as to get converted into products.

In a chemical reaction, reactants form products, hence, certain bonds must be broken in the reactant molecules to form the products.

The energy needed to break the bonds of the reactants is known as activation energy.

Your statement is true

Answer:

you draw the line first to the light bulb and then you connect it to the battery then you connect it to microscope

Explanation:

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- The atmospheric pressure in Denver, Colorado, is approximately 0.829 atm.

- The atmospheric pressure in Denver, Colorado, is approximately 627.522 torr.

The atmospheric pressure in Denver, Colorado, is usually about 84.0 kPa. To convert this pressure to atm and torr units, we can use the following conversion factors:

1 atm = 101.325 kPa

1 atm = 760 torr

First, let's convert 84.0 kPa to atm:

Pressure in atm = 84.0 kPa × (1 atm / 101.325 kPa) ≈ 0.829 atm

Therefore, the atmospheric pressure in Denver, Colorado, is approximately 0.829 atm.

Next, let's convert 84.0 kPa to torr:

Pressure in torr = 84.0 kPa × (760 torr / 101.325 kPa) ≈ 627.522 torr

Therefore, the atmospheric pressure in Denver, Colorado, is approximately 627.522 torr.

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The limiting reactant refers to the reactant that is in small amount. The extent of the reaction depends on the amount of the limiting reactant.

The term limiting reactant refers to the reactant that is in small amount, We shall now solve the questions individually.

1) The reaction equation is;

CaO + H2O → Ca(OH)2

Number of moles of CaO = 10 g/56 g/mol = 0.18 moles

Number of moles of H2O = 10 g/18 g/mol = 0.56

Since the reaction is 1:1, CaO is the limiting reactant

Mass of calcium hydroxide = 0.18 moles * 74 g/mol = 13.32 g

2) The reaction equation is;

Mg + Br2 → MgBr2

Number of moles of Mg = 1 g/24 g/mol = 0.042 moles

Number of moles of Br2= 5 g/160 g/mol = 0.031 moles

Since the reaction is 1:1, Br2 is the limiting reactant

Mass of MgBr2 =  0.031 moles * 184 g/mol = 5.7 g

3) The reaction equation is;

CuO + H2 → Cu + H2O

Number of moles of CuO= 2.00 g/80 g/mol = 0.025 moles

Number of moles of H2 = 1.00g/2 g/mol = 0.5 moles

Since the reaction is 1:1, CuO is the limiting reactant

Mass of Cu = 0.025 moles * 63.5 g/mol = 1.59 g

4) The reaction equation is;

2Na + F2 → 2NaF

Number of moles of Na = 2.30 g/23 g/mol = 0.10 moles

Number of moles of F2 =  2.85 g/38 g/mol = 0.075 moles

If 2 moles of Na react with 1 mole of F2

x moles of  Na reacts with 0.075 moles of F2

x = 0.15

Hence Na is the limiting reactant

Mass of NaF = 0.10 moles * 42 g/mol = 4.2 g

5) The equation of the reaction is;

Fe2O3 + 2Al → 2Fe + Al2O3

Number of moles of Fe2O3  =  8.00 g/160 g/mol = 0.05 moles

Number of moles of Al = 2.16 g/27 g/mol = 0.08 moles

If 1 mole of Fe2O3  reacts with 2 mole of Al

x moles of Fe2O3 reacts with 0.08 moles of Al

x = 0.04 moles

Hence, Fe2O3 is the limiting reactant

1 mole of Fe2O3  yileds 2 moles of Fe

0.05 moles yileds 0.05 moles  * 2 moles/1 mole = 0.1 moles

Mass of Fe = 0.1 moles * 56 g/mol = 5.6 g

6) The equation of the reaction is;

2Al + 3Cl2 → 2AlCl3

Number of moles of Al = 13.5 g/27 g/mol = 0.5 moles

Num ber of moles of Cl2 =  42.6 g /71 g/mol = 0.6 moles

If 2 moles of Al reacts with 3 moles of Cl2

x moles of Al reacts with 0.6 moles of Cl2

x = 0.4 moles

Al is the limiting reactant

Mass of AlCl3 = 0.4 moles * 133 g/mol = 53.2 g

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True. When ionic compounds are dissolved or thrown into water, they typically dissociate into ions and become electrolytes.

An electrolyte is a substance that conducts electric current when dissolved in water or molten form due to the presence of freely moving ions. Ionic compounds consist of positively charged cations and negatively charged anions held together by electrostatic forces. When they come into contact with water, the water molecules surround the ions and weaken the forces holding them together, causing the compound to dissociate into its constituent ions. These ions are then free to move in the aqueous solution and carry electric charge, allowing the solution to conduct electricity. Therefore, most ionic compounds can be considered electrolytes when dissolved in water.

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Answer:

A.phase of moon

I hope it helps you

The attributes of the genetic code include all of the following except B. Each codon specifies more than one amino acid.

A. Each codon consists of 3 nucleotides: This is a correct attribute of the genetic code. Codons are made up of three consecutive nucleotides, which form the basic unit of the genetic code.

B. Each codon specifies more than one amino acid: This is incorrect. Each codon typically specifies only one amino acid. However, there are some exceptions called "ambiguous codons" where a single codon can code for more than one amino acid, but they are relatively rare.

C. Codons are non-overlapping: This is a correct attribute of the genetic code. Codons are read sequentially and are not overlapping. Each codon starts at a specific position in the DNA or mRNA sequence.

D. Most amino acids are specified by more than one codon: This is a correct attribute of the genetic code. With a few exceptions, most amino acids are encoded by multiple codons. This redundancy provides some level of error tolerance and allows for variations in the DNA sequence without affecting the encoded protein.

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Answer:

Unidentified flying object or fly saucer.

Explanation:

Answer:

It is a silver dish that has round windows around it with little circluar lights round it too.

The amount of energy that must be absorbed or lost to raise or lower the temperature of 1 gram of liquid water by 1°C is 1 calorie.

A calorie (cal), or a small calorie, is the amount of energy needed to heat one gram of water by one degree Celsius. It is used to express the amount of energy released in a phase change or chemical reaction.

One small calorie is approximately 4.2 joules.

A calorie is a unit of energy.

A calorie was originally part of the metric system (SI), but now it is replaced with the joule (J).

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Answer:

The EF of the compound is CH2O and the MF is C6H12O6.

Explanation:

To find the empirical formula (EF) of the compound, we need to determine the simplest whole number ratio of the atoms in the compound. We can assume we have 100 g of the compound, which means we have:

40 g of carbon

6.67 g of hydrogen

53.33 g of oxygen (since the rest of the compound is oxygen)

Next, we can convert the masses to moles:

Moles of carbon = 40 g / 12.01 g/mol = 3.33 mol

Moles of hydrogen = 6.67 g / 1.01 g/mol = 6.61 mol

Moles of oxygen = 53.33 g / 16.00 g/mol = 3.33 mol

We then divide each of the mole values by the smallest number of moles, which is 3.33, to get the simplest whole number ratio:

Carbon: 3.33 / 3.33 = 1

Hydrogen: 6.61 / 3.33 = 1.98 (rounded to 2)

Oxygen: 3.33 / 3.33 = 1

So the EF of the compound is CH2O.

To find the molecular formula (MF), we need to know the molecular mass of the EF. The empirical formula mass (EFM) of CH2O is:

EFM = (1 x 12.01 g/mol) + (2 x 1.01 g/mol) + (1 x 16.00 g/mol) = 30.03 g/mol

We can then calculate the molecular formula mass (MFM) by dividing the given molecular mass (180 g/mol) by the EFM:

MFM = 180 g/mol / 30.03 g/mol = 6

This means the MF is 6 times the EF, or C6H12O6. Therefore

The fact that water has a high melting and boiling point (0°C/32°F for melting and 100°C/212°F for boiling) makes it unique.

When a substance's solid and liquid phases are in equilibrium, that point is known as its melting point. When a substance's vapour pressure matches the outside pressure, that's when it reaches its boiling point.

Saturation temperature is another name for boiling point. The pressure at when the measurement was made can occasionally be used to define boiling point. The standard boiling point is the temperature at which water begins to boil at one bar of pressure, according to the International Union on Pure an Applied Chemistry (IUPAC) definition from 1982.

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Explanation:

The balanced chemical equation for the reaction between calcium carbonate (CaCO3) and hydrochloric acid (HCl) is:

CaCO3 + 2 HCl → CaCl2 + CO2 + H2O

According to the problem, 3.24 g of calcium carbonate reacted with excess hydrochloric acid, leaving 2.24 g of excess limestone in the solution. This means that 3.24 - 2.24 = 1 g of calcium carbonate reacted with the hydrochloric acid. We can use this information to calculate the number of moles of calcium carbonate that reacted:

1 g CaCO3 / 100.09 g/mol CaCO3 = 0.00999 mol CaCO3

Since the balanced chemical equation shows that 1 mole of calcium carbonate reacts with 2 moles of hydrochloric acid, we know that 0.01998 moles of hydrochloric acid reacted. We can use this information to calculate the molarity of the hydrochloric acid solution:

Molarity = moles of HCl / volume of solution

Molarity = 0.01998 mol / 0.1 L

Molarity = 0.1998 M

Therefore, the molarity of the hydrochloric acid solution is 0.1998 M.

Answer:

10 moles de NO2

Explanation:

Tenemos la ecuación de la reacción como sigue;

 N2 (g) + 2 O2 (g) → 2 NO2 (g)

Asi que;

Si 1 mol de nitrógeno produce 2 moles de NO2

5 moles de nitrógeno producirán 5 * 2/1 = 10

Por tanto, se producen 10 moles de NO2 moles

Answer: Unbalanced Forces

Explanation: The bigger the unbalanced force acting on the object the bigger the acceleration of the object. The more mass the object has, the more inclined it is to resist any change to its motion.

Answer:

Iodine is nonmetallic, nearly black solid at room temperature and has a glittering crystalline appearance.  It has a moderate vapour pressure at room temperature.

Answer:

Explanation:

Rocco is making bonds when he prepares these compounds. Two pieces of evidence for this are:

The chemical reactions are written with an arrow pointing to the right, indicating that the reactants are being converted into products.

The reactions release heat, which is a sign of a chemical reaction occurring and bonds forming.

The bond type in these compounds is an ionic bond. Two pieces of evidence for this are:

The reactants in the chemical reactions consist of a metal (Li or Mg) and a nonmetal (Cl or Br), which are the types of elements that typically form ionic bonds.

The products of the reactions are compounds with a metal and a nonmetal, which also suggests an ionic bond.

The oxidation numbers of lithium and magnesium are +1 and +2 respectively. The oxidation number of chlorine and bromine are -1. Since the oxidation number of lithium is lower than the oxidation number of magnesium, lithium will lose an electron more easily than magnesium. So the reaction of lithium and chlorine is more favorable than magnesium and bromine. That's why Rocco is only getting half as much magnesium compound than lithium compound when preparing these chemicals. To increase his yield, Rocco can try to use a higher amount of magnesium or a lower amount of bromine in the reaction.

Answer: Level 1's answer is D/ Making observations. The second one is it must restate the question/ B. No. 3:variable (often denoted by x ) whose variation does not depend on that of another. No.4 IS Controlled Vari

Explanation:

Answer:

A prediction that a tire'a air pressure will increase if the tire's temperature is raised.

Explanation:

Answer:

I'm assuming you need to label above the lines. So, above the line where the  Cretaceous period ends is mass extinction and where the bracket lies is adaptive radiation.

Explanation:

Mass extinctions are periods of time where the organisms are essentially wiped out in an extremely brief period of time. You can see how the species just drops off. Adaptive radiation occurs when there is a diversification of a group of organisms as evident by the rise in the number of marine animal groups shown by the bracketed area.

The molality of the hydrogen peroxide solution is 12.0 mol/kg or 12.0 m.

To calculate the molality of a hydrogen peroxide (H2O2) solution that is 29% by mass and has a density of 1.13 g/mL.

Step 1: Convert the percentage to mass.

Since the solution is 29% hydrogen peroxide by mass, we can assume we have 100 g of the solution. Therefore, the mass of H2O2 in the solution is 29 g, and the mass of the solvent (water) is 71 g.

Step 2: Calculate the moles of H2O2.

The molar mass of H2O2 is (2 x 1.01) + (2 x 16.00) = 34.02 g/mol.

Now, divide the mass of H2O2 by its molar mass to find the number of moles:

(29 g) / (34.02 g/mol) = 0.852 moles of H2O2

Step 3: Convert the mass of water to kilograms.

71 g of water = 0.071 kg

Step 4: Calculate the molality.

Molality (m) = moles of solute / mass of solvent (in kg)

m = (0.852 moles) / (0.071 kg) = 12.0 mol/kg

So, the molality of the hydrogen peroxide solution is 12.0 mol/kg or 12.0 m (rounded to 1 decimal place).

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The effective multiplication factor k=0.94.

What is reactivity ?

Being responsive as a trait or state. Chemistry. the resemblance of an atom's, molecule's, or radical's ability to interact chemically with another atom, molecule, or substance.

What is reactor?

Reactor: A vessel or equipment used in chemical engineering to conduct chemical reactions for research or production.

(a) The effective multiplication factor  k=0.94

The reactivity \rho = \frac{k-1}{k}=-0.0638.

(b) For the reactor to be critical, k = 1, which means the core reactivity should be increased to make it critical.

Therefore, the effective multiplication factor k=0.94.

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