Consider the two products formed. Which product is more stable? Br Br 1,2 addition 1) 1,4 addition 2) А 1) Because it is a disubstituted alkene B 1) Because it is a monosubstituted alkene с 2) Because it is a disubstituted alkene D 2) Because it is a monosubstituted alkene

Answer:

B and C

Explanation:

Taking up space, need 20 characters to send

Answer:

hiiiiii-

Explanation:

how yall doing-

Answer:

Its answer is cu++ and O-.

The pH of the 0.0750 M solution of formic acid is approximately -log(0.086) = 1.07.

To find the pH of a 0.0750 M solution of formic acid, we need to calculate the concentration of H+ ions in the solution. Since formic acid is a weak acid, it partially dissociates into H+ and formate ions.

The equilibrium expression for the dissociation of formic acid is:

HCOOH ⇌ H+ + HCOO-

The equation can be represented as follows:

[H+][HCOO-]/[HCOOH]

Since the concentration of H+ is equal to the concentration of HCOO- due to the 1:1 ratio, we can simplify the equation to:

[H+]^2 / [HCOOH]

Using the pKa value of 3.75, we can calculate the concentration of H+ as follows:

[H+][HCOOH] / [HCOOH] = 10^-pKa

[H+][HCOOH] = [HCOOH] * 10^-pKa

[H+] = √([HCOOH] * 10^-pKa)

Substituting the given values:

[H+] = √(0.0750 * 10^-3.75)

[H+] = √(0.0750 * 10^3.75)

[H+] ≈ 0.086 M

Therefore, the pH of the 0.0750 M solution of formic acid is approximately -log(0.086) = 1.07.

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Answer:

0.01134kg

Explanation:

You divide by 1000 to get the kg

The elements are arranged in periods and groups. They are also arranged by the way they react to other chemicals, or the chemicals that are mixed in the element to make it.

The evidence that explains how the structure of each element is different from another is that the elements are arranged in periods and groups.

The periodic table refers to the tabular display of the chemical elements. It should be noted that the periodic table is arranged based on the increasing atomic number of the elements.

The elements that are in the periodic table are also arranged by the way they react to other chemicals. Therefore, the elements that are in a particular group typically have the same characteristics.

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The molecule that is NOT part of the thin filament is titin.

The other molecules listed, actin, troponin, and tropomyosin, are all part of the thin filament.

Myofilaments mostly come in two varieties. The two types of filaments are thin filaments and thick filaments.

The thin filaments have a diameter of 7-9 nm. They are joined to the striated muscle's z discs.

Actin, troponin, and tropomyosin are the three proteins that make up each thin filament.

However, the primary protein in the thin filament is actin.

The helical strands of the thin filament, now known as F actin (being fibrous), are made up of 300–400 globular actin molecules that are joined end to end. During the contraction phase, a myosin cross-bridge or head can bind to each actin molecule. Troponin is an additional protein found in the thin filament.

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Answer:

See Explanation

Explanation:

If we consider the conductivity values of group A compounds, we will notice that all group A compounds all possess a very high conductivity values each.

These high conductivity values are consistent with ionic compounds which completely dissociate in solution thereby making mobile ions available.

Hence, group A compounds are ionic and completely dissociate in solution.

The group 12 elements have different properties than group 13 elements because both have different number of valence electron.

The electron present in valence shell is called valence electron.

The electronic configuration group 12 and group 13 is given below.

Electronic configuration Group 12 = (n-1)d10 ns2

Electronic configuration Group 13 = ns2np1

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Answer: e

Explanation:

Answer:Double Replacement

To Find :

How many moles are in \(7.12 \times 10^{21}\) atoms of iron.

Given :

We know, 1 mole of any element or compound contains exactly \(N_A\) ( Avogadro's Number ) atoms/compound .

Now, \(N_A = 6.022 \times 10^{23}\)

So, number of moles in given number of atoms are :

\(n = \dfrac{6.022 \times 10^{23}}{7.12 \times 10^{21}}\\\\n = 1.18 \times 10^{-2} \ mol\)

Hence, this is the required solution.

Answer: d

Explanation: I got it right

Answer:

This question is incomplete

Explanation:

This question is incomplete but one can assume the answer from the definition of quantum mechanics. Quantum mechanics is the science that describes particles in nature at the atomic and subatomic particle (electron, proton and neutron) level. Thus it can be assumed that atoms and subatomic particles are used to broadly describe particles.

Provide a few solutions and explain why they should be effective. Make a succinct conclusion. Provide a succinct summary of what you wrote. A good response.

What might a solution look like?

A good example of a solution is a mixture of salt and sugar. Any solution can be broken down into different parts. Solid, liquid, and gaseous solutions can be classified as solutions based on the physical states of the solvent and solute. Both the solute and the solvent have a solid in solid solutions. For instance, mixtures of polymer and ceramic.

What various categories of water-based solutions are there?

1. Depending on whether the solution contains water or not, different kinds of solutions on water as a solvent can be divided into two categories. the mixture in which freshwater acts as just a solvent and any state of homogenous component totally dissolves in it.

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Answer:

true

Explanation:

1.25 moles of solid copper would be produced.

The balanced chemical equation for this reaction is:

Zn + Cu(NO3)2 -> Cu + Zn(NO3)2

From the equation, we can see that one mole of zinc reacts with one mole of copper (Cu). Therefore, if we have 1.25 moles of zinc, we can expect to produce 1.25 moles of copper. This is because the stoichiometric ratio between zinc and copper in the reaction is 1:1, meaning that for every mole of zinc reacted, one mole of copper is produced.

So the answer is 1.25 moles of solid copper would be produced.

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A photon has a frequency of 2.68 × \(10^6\) Hz then the energy of a photon is \(1.78\times10^{-27}\text{J}\).

What is meant by Planck's equation?

Planck's energy–frequency relation, or Planck's equation, gives the relationship between the energy of a photon and frequency. This equation is given by,

E = hv

Where, E be the energy of a photon

h be the Planck constant

v be the frequency

Given:

Frequency is 2.68 × \(10^6\)

Planck's constant is 6.63 × \(10^{-34}\) Js

The energy of a photon is given by,

E = hv

substitute the values in the above equation, we get

= 6.63 × \(10^{-34}\) Js × 2.68 × \(10^6\) Hz

simplifying the above equation, we get

= 1.78 × \(10^{-27}\) J

The energy of the photon is 1.78 × \(10^{-27}\) J.

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Answer:

The number of mole of the unknown metal is 3.58×10¯³ mole

Explanation:

We'll begin by calculating the number of mole hydrogen gas, H2 that will occupy 80.3 mL at stp.

This is illustrated below:

Recall:

1 mole of any occupy 22.4L or 22400 mL at stp.

1 mole of H2 occupies 22400 mL at stp.

Therefore, Xmol of H2 will occupy 80.3 mL at stp i.e

Xmol of H2 = 80.3/22400

Xmol of H2 = 3.58×10¯³ mole

Therefore, 3.58×10¯³ mole of Hydrogen gas was released.

Now, we can determine the mole of the unknown metal as follow:

The balanced equation for the reaction is given below:

X + 2HCl —> XCl2 + H2

From the balanced equation above,

1 mole of the unknown metal reacted to produce 1 mole of H2.

Therefore, 3.58×10¯³ mole of the unknown metal will also react to produce 3.58×10¯³ mole of H2.

Therefore, the number of mole of the unknown compound is 3.58×10¯³ mole.

Answer:

200 torr

Explanation:

because it have 250ml when we subtract the 50 we get answer

the concentration of the bleach solution in all four reaction mixtures is 0.0505 M.

The given conditions are:

Initial volume of the mixture = 10.0 mL
Volume of the bleach added to the mixture = 5.0 mL
Volume of the dye added to the mixture = 5.0 mL
Concentration of the bleach in the bleach stock solution = 0.101 M

It should be noted that the number of moles of bleach in the initial solution and in the final reaction mixture remains the same, as no new bleach is added to the reaction. This can be represented by the equation:

n(bleach) initial = n(bleach) final

The initial number of moles of bleach can be calculated by using the formula:

n = C x V

Where,
C = Concentration
V = Volume

n(bleach) initial = C(bleach) x V(bleach)
n(bleach) initial = 0.101 M x 5.0 mL = 0.505 mol

The final concentration of the bleach in the reaction mixture can be calculated using the formula:

C(bleach) final = n(bleach) final / V(mixture)

n(bleach) final = n(bleach) initial

Therefore,

C(bleach) final = n(bleach) initial / V(mixture)

At each temperature, the volume of the mixture remains the same, i.e. 10.0 mL.

Therefore, the concentration of the bleach in the reaction mixture is the same at all four temperatures.

Thus, the concentration of the bleach solution in all four reaction mixtures is 0.0505 M.

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Answer:

d

Explanation:

Answer:

D

Explanation:

IM JUST THAT DUDE

The hormone produced in bone that regulates bone formation and also protects against diabetes mellitus is called osteocalcin. Osteocalcin is produced by osteoblasts, which are cells responsible for bone formation.

It plays a crucial role in maintaining bone health by promoting the deposition of calcium and regulating bone turnover. Additionally, osteocalcin has been found to have a protective effect against diabetes mellitus. It stimulates insulin secretion and improves insulin sensitivity, thus helping to regulate blood sugar levels. Osteocalcin also enhances glucose uptake in skeletal muscle and adipose tissue.

Overall, this hormone serves as a link between bone and metabolism, highlighting the interconnectedness of different physiological processes in the body.

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Emerging scientific ideas are new theories or ideas that are gaining attention in the scientific community, but have not yet been fully accepted or confirmed.

Emerging ideas refer to the new and innovative ideas or theories that have yet to gain full scientific acceptance. While a scientific consensus is a view or theory that has been universally accepted and confirmed by multiple experiments or research, an emerging scientific idea is a new and unproven theory or idea that is gaining attention in the scientific community. These emerging ideas may also be referred to as scientific hypotheses. In contrast to scientific consensus, emerging scientific ideas have not yet been subjected to rigorous testing and confirmation.

They are generally proposed to explain new observations or experimental results, which have not yet been fully understood or explained by established scientific theories. Emerging scientific ideas can have the potential to challenge the current scientific consensus. If an emerging scientific idea is found to be valid, it can ultimately lead to the establishment of a new scientific consensus. For example, the emerging scientific idea of the Higgs boson particle led to the discovery of a new field in particle physics, which is now an established scientific consensus.

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The original concentration of the HCl is 0.100 mol/L. In this problem, we can use the balanced chemical equation for the reaction between calcium hydroxide (Ca (OH)2) and hydrochloric acid (HCl) to determine the amount of moles of HCl required to react completely with Ca (OH)2.

Ca(OH)2 + 2HCl -> CaCl2 + 2H2O

From the equation, we can see that one mole of Ca(OH)2 reacts with 2 moles of HCl. Therefore, the number of moles of HCl required to react completely with the given amount of Ca(OH)2 is:

moles of HCl = (0.250 mol/L) x (0.01000 L) x 2 = 0.005 mol

Since the volume of HCl used is 50.00 ml (0.05000 L) at the equivalence point, we can calculate the original concentration of the HCl as follows:

0.005 mol / 0.05000 L = 0.100 mol/L

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Answer:

what diagram

Explanation:

Answer:

number of protons

Explanation:

Isotopes of any given element all contain the same number of protons, so they have the same atomic number

e.g: the atomic number of helium is always 2.

Isotopes of a given element contain different numbers of neutrons, therefore, different isotopes have different mass numbers.

Answer:

short answers:

A learned behavior is a behavior that develops during an animal’s lifetime.

Examples of learned behaviors include tying one’s shoes or solving a math problem.

An inherited behavior is a behavior that an animal is born with.

An example of an inherited behavior is a bird building a nest.

Explanation:

Learned behaviors are those which are gradually developing in us through learning at different ages and it takes time. Inherited behaviour is innate to us which are incorporated with us by birth.

An organism develops a learned behavior as a result of experience. In contrast to learned actions, inherent behaviors are genetically preprogrammed and can be carried out without any prior knowledge or instruction.  

Certain behaviors have features that are both acquired and innate. Zebra finches, for instance, have a genetic predisposition to learn a song, but the song they sing is influenced by what they hear from their dads.

Inherited behaviors are inherited from parents to their offsprings. Such as  similar nature in sound, angriness, some diseases etc. They are not gathered from any experience and are accompanied by birth.

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Just try ur Best ok your welcome

The limiting reactant​ : Fe

Reaction

3Fe + 4H₂O ⇒ Fe₃O₄ + 4H₂

mass of H₂O = 10 g

mol H₂O (MW=18 g/mol) :

\(\tt mol=\dfrac{mass}{MW}\\\\mol=\dfrac{10}{18}=0.56\)

mass of Fe = 16.8 g

mol Fe(MW=56 g/mol) :

\(\tt mol=\dfrac{16.8}{56}=0.3\)

Limiting reactant : the smallest ratio between mol : reaction coefficient

Fe :

\(\tt \dfrac{0.3}{3}=0.1\)

H₂O :

\(\tt \dfrac{0.56}{4}=0.14\)

Fe as limiting reactant