what does this nmr data indicate about the purity of the cyclohexene? use three key signals to justify your answer.

Volume of the helium in weather balloon at 15 °C with initial volume of 10L and temperature of 5 °C is 30 L

Given that, Initial volume (V1) = 10 L

Initial Temperature (T1) = 5 °C

Final Temperature (T2) = 15 °C

By gas law,

V1 / V2 = T1 / T2 (Pressure constant)

10 / V2 = 5 / 15

V2 = (15 / 5) * 10

V2 = 3 * 10

V2 = 30 L

Thus, the volume of helium in the weather balloon at 15 °C is 30 L

To know more about Gas law

https://brainly.com/question/12667831

#SPJ1

Reactants are the starting substances of a chemical reaction, while products are the substances produced from a reaction.

In a chemical reaction, the starting substances are called reactants, and the substances produced from the reaction are called products. Reactants are the substances that are transformed or changed during the reaction, while products are the substances that are formed as a result of the chemical reaction.

For example, in the chemical reaction where hydrogen gas reacts with oxygen gas to form water, the reactants are hydrogen and oxygen, and the product is water.

Learn more about Reactant from

https://brainly.com/question/6421464

#SPJ1

Answer:

Global winds are the main belts of wind that move in a particular direction across the earth

Answer:

Global winds are the main belts of wind that move in particular directions across the Earth.

Explanation:

All wind is caused by the uneven heating of Earth's surface, which sets convection currents in motion. Convection currents on a large scale cause global winds; convection currents on a small scale cause local winds.

hope that helps love!

Answer:

D.) H-O

Explanation:

Polarity is determined based on the difference in electronegativity of the atoms. The greater the difference, the more polar the bond. The general trend is that the atoms in the top-right corner of the periodic table are the most electronegative.

A.) is incorrect because H-H has no electronegativity difference, making it nonpolar.

B.) and C.) are incorrect because their electronegativity differences are not the greatest.

D.) is correct because the electronegativity difference between the H and O is the greatest.

Answer:

The rectum

Explanation:

The frequency of the photon of light is 4.4 * 10¹⁶ Hz

Where h is Planck's constant = 6.626 * 10⁻³⁴

f is frequency

E = energy

making f subject of the formula

f = E/h

f = 2.95 × 10⁻¹⁷/6.626 * 10⁻³⁴

f = 4.4 * 10¹⁶ Hz

Therefore, the frequency of the photon of light is 4.4 * 10¹⁶ Hz

Learn more about frequency and energy of photons at: https://brainly.com/question/13396102

Answer:

A . 6.4 x 10 2 km B . 6.4.

Explanation:

The length written in scientific notation is 6.4*10^3 km.

It means that the way of expressing and mentioning the small or large kind of number in the decimal form. Here we simply multiplied the real number with the power of 10.

Since The length of the Amazon River in South America is 6, 400 kilometers.

So,

6400/1000 = 6.4

1000 = 10^3

So, it can be 6.4*10^3 km.

Therefore, The length written in scientific notation is 6.4*10^3 km.

Learn more about length here: https://brainly.com/question/26044136

We can determine element whether they can exist alone or not by knowing the number of atom it contains.

Definition of Monatomic Gases -

Monatomic is a compound word made up of the letters "mono" and "atomic," which stand for a single atom. This phrase refers to the gases as monatomic gases and is used in both physics and chemistry.

Examples of Monatomic Gases -

Helium

Radon

Neon

Xenon

Definition of diatomic element-

Only two atoms make up diatomic molecules, which are those molecules. A diatomic molecule is referred to as homonuclear if it is made of only one element, and as heteronuclear if it is made of two separate elements.

Examples of diatomic molecules are -

Hydrogen H2

Nitrogen N2

Fluorine F2

Oxygen O2

Definition of Triatomic molecules -

These gases are composed of triatomic molecules, or molecules with a three-atom atomicity.

Examples of triatomic molecules -

Ozone(O3)

Water(H2O)

To know more about elements -

https://brainly.com/question/27968226?referrer=searchResults

The temperature of the canister is 311.82(OR 312)K

Given:

volume of canister = 75.0-liter

moles of argon = 15.82 moles

pressure = 546.8 kilopascals

To Find:

temperature of the canister

Solution: Pressure of argon = 546.8 kPa

Conversion factor: 1 atm = 101.325 kPa

According to Ideal gas law,

PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the universal gas constant, and T is the temperature

T = PV/nR = (5.4 atm x 75.0 L) / (15.82 x 0.0821 L.atm.mol-¹K-¹)

T = 311.82 K

Hence the temperature of the canister is 311.82 K.

Learn more about Temperature here:

https://brainly.com/question/25677592

#SPJ4

Answer:

If a species cannot adapt to the changes in their ecosystem, they may move to another location. If they will not move, the species may become threatened, endangered or extinct.

Explanation:

The way the question is worded, it sounds like there are options for you to chose from that you are not showing. I could help you out more if I actually knew the options.

Extinction is likely if conditions change faster than a species can evolve, and if members of that species lack the traits required to survive in the new environment.

The death of all members of a species of plants, animals, or other organisms is referred to as extinction.

The primary cause of higher extinction rates is habitat loss. Other causes include habitat changes, commercial overexploitation of wildlife, the introduction of harmful nonnative species, pollution, and disease spread.

If a species is unable to adapt to changes in its ecosystem, it may relocate. The species may become threatened, endangered, or extinct if they do not move.

Thus, Extinction is likely if environmental conditions change faster than a species can evolve and members of that species lack the traits needed to survive in the new environment.

To learn more about the extinction, follow the link;

https://brainly.com/question/14480057

#SPJ6

Answer:

When the temperature of an object increases, the average kinetic energy of its particles increases. When the average kinetic energy of its particles increases, the object's thermal energy increases. Therefore, the thermal energy of an object increases as its temperature increases.

Explanation:

That is all I know.

When \(CO_{2}\) and \(H_{2} CO_{3}\) are both horizontal lines, the rate of the forward reaction is the same as the rate of the reverse reaction. The reaction is occurring at equilibrium, with no net change in the concentrations of reactants and products over time.

When the concentration of carbon dioxide \(CO_{2}\) and the concentration of carbonic acid \(H_{2} CO_{3}\) are both horizontal lines, it indicates that their concentrations remain constant over time. In such a scenario, the rate of the forward reaction is the same as the rate of the reverse reaction. A horizontal line on a concentration-time graph suggests that the concentrations of the reactants and products are not changing, implying that the reaction has reached equilibrium. At equilibrium, the rate of the forward reaction equals the rate of the reverse reaction. This is a fundamental principle of chemical equilibrium, described by the principle of microscopic reversibility.

For more question on reaction

https://brainly.com/question/25769000

#SPJ8

The equilibrium vapor pressure above the liquid when the volume of space is decreased from 200 ml to 100 ml at constant temperature is 58 mmHg.

This problem can be solved using the combined gas law, which states that the product of pressure and volume is proportional to the absolute temperature of a gas or vapor. We can assume that the vapor above the liquid behaves as an ideal gas, so the combined gas law can be used to relate the initial and final pressures and volumes.

According to the problem statement, the initial volume of the space above the liquid is 200 mL, and the equilibrium vapor pressure is 29.0 mmHg. Let's call this initial pressure P1 and initial volume V1:

P1 = 29.0 mmHg

V1 = 200 mL = 0.2 L

When the volume of the space above the liquid is reduced to 100 mL, the new volume is V2 = 0.1 L. The temperature is constant, so we can use the combined gas law to find the new equilibrium pressure P2:

P1V1 = P2V2

Solving for P2, we get:

P2 = (P1V1)/V2 = (29.0 mmHg x 0.2 L)/0.1 L = 58.0 mmHg

Learn more about the equilibrium vapor pressure at

https://brainly.com/question/29570056

#SPJ4

The empirical formula of emerald is Be3Al2Si6O18.

The empirical formula of a compound tells us about the simplest ratio between the atoms present in the compound.

We are given that emerald consists of 5.030% beryllium, 10.040% aluminum, 31.351% silicon and 53.579% oxygen.

So, we need to first convert the percentages into number of moles of the elements.

Let us assume that there is 100 grams of emerald.

Hence, the mass of each element in it is 5.030 grams beryllium, 10.040 grams aluminum, 31.351 grams silicon and 53.579 grams oxygen.

To calculate the moles, we need to divide their given mass by their molar mass

Moles of beryllium(Be) = 5.030/9 = 0.55

Moles of aluminium(Al) = 10.040/27 = 0.37

Moles of silicon(Si) = 31.351/28 = 1.107

Moles of oxygen(O) = 53.579/16 = 3.34

Now, we need to divide the moles by the lowest common number among them i.e, 0.37.

So, 0.55/0.37 = 1.5

0.37/0.37 = 1

1.107/0.37 = 3

3.34/0.37 = 9

So, the ratio of Be:Al:Si:O comes out to be 1.5:1:3:9.

As the ratio contains 1.5, so we need to multiply it by 2 to get a whole number.

So, (1.5:1:3:9) x 2 = 3:2:6:18

Thus, the empirical formula of emerald is Be3Al2Si6O18.

To know more about "empirical formula", refer to the following link:

https://brainly.com/question/14425626?referrer=searchResults

#SPJ4

The empirical formula of emerald is \(Be_{3}Al_{2}Si_{6}O_{18}\).

The empirical formula of a compound tells us about the simplest ratio between the atoms present in the compound.

We are given that emerald consists of 5.030% beryllium, 10.040% aluminum, 31.351% silicon and 53.579% oxygen.

So, we need to first convert the percentages into number of moles of the elements.

Let us assume that there is 100 grams of emerald.

Hence, the mass of each element in it is 5.030 grams beryllium, 10.040 grams aluminum, 31.351 grams silicon and 53.579 grams oxygen.

To calculate the moles, we need to divide their given mass by their molar mass

Moles of beryllium(Be) = \(\frac{5.030}{9} = 0.55\)

Moles of aluminium(Al) = \(\frac{10.040}{27} = 0.37\)

Moles of silicon(Si) = \(\frac{31.351}{28} = 1.107\)

Moles of oxygen(O) = \(\frac{53,579}{16} = 3.34\)

Now, we need to divide the moles by the lowest common number among them i.e., 0.37.

So, \(\frac{0.55}{0.37} = 1.5\)

\(\frac{0.37}{0.37} = 1\)

\(\frac{1.107}{0.37} = 3\)

\(\frac{3.34}{0.37} = 9\)

So, the ratio of Be:Al:Si:O comes out to be 1.5:1:3:9.

As the ratio contains 1.5, so we need to multiply it by 2 to get a whole number.

So, (1.5:1:3:9) x 2 = 3:2:6:18

Thus, the empirical formula of emerald is \(Be_{3}Al_{2}Si_{6}O_{18}\)..

To know more about empirical formula, refer to the following link:

brainly.com/question/14425626

#SPJ4

The release of neurotransmitters into the synapse is initiated by depolarization, which opens Ca2+ channels, allowing Ca2+ to move vesicles to the synaptic membrane.

This is the correct answer.When an action potential (AP) arrives at the axon terminal, it results in the opening of voltage-gated Ca2+ channels. The influx of Ca2+ into the nerve terminal causes the exocytosis of neurotransmitter-containing vesicles into the synaptic cleft. Calcium influx is thought to trigger neurotransmitter release via a mechanism that involves Ca2+ binding to the vesicle-associated protein synaptotagmin 1 (Syt1), which promotes the interaction of vesicles with the presynaptic membrane.The entry of Ca2+ through voltage-gated calcium channels is critical for neurotransmitter release, and its absence leads to severe neurological disorders such as ataxia and epilepsy. Calcium ion (Ca2+) is one of the most crucial signaling molecules in cells and is essential for many physiological functions, including neurotransmitter release. Calcium ions activate synaptic vesicle fusion and neurotransmitter release by binding to specific proteins in the active zone of the nerve terminal.

To know more about neurotransmitters visit:

https://brainly.com/question/28101943

#SPJ11

Answer: Volcanic Eruptions

Explanation:

The intermolecular force that attracts two nonpolar molecules is London dispersion forces, which are also called induced dipole-induced

Answer:

Independent variable - Piece of bread

Dependant variable - Moistness of brownie

Constants- Same size and location of brownie

Hypothesis - IF a piece of bread is added to a brownie container, THEN the brownie will be moister

Control groups- The set of brownie containers she adds no piece of bread to

Experimental group- The set of brownie containers she adds a piece of bread to

Explanation:

The hypothesis in an experiment is a testable explanation to a given problem, which is whether a piece of bread can make brownie moist in this question. Hence, a possible hypothesis will be: IF a piece of bread is added to a brownie container, THEN the brownie will be moister

Independent variable is the variable that the experimenter changes or manipulates in the experiment. In this case, the independent variable is the PIECE OF BREAD added to the brownie.

The dependent variable is the variable that is being measured in an experiment. The dependent variable in this case is the MOISTNESS of the brownie

Constants are variables that the experimenter keeps unchanged for all the groups throughout the experiment. In this case, the constants are SAME SIZE AND LOCATION OF BROWNIE.

Control group is the group that does not receive the experimental treatment or independent variable while the experimental group is the group that receives the experimental treatment. The control group in this experiment is: The set of brownie containers she adds no piece of bread to, while the experimental group is the: The set of brownie containers she adds a piece of bread to

Answer:

One of the biggest global suppliers of plastic straws is Tetra Pak:

Answer:  the number of grams of AgNO3 present in its 7.4 moles is 1257.

The statements that are concerning gas pressure is/are correct :

1) Gas pressure arises from collisions of gas molecules with the walls of the container holding the gas.
2) Increasing the number of gas molecules within a container increases the number of collisions with the walls of the container, thereby increasing the gas pressure.
3) As the temperature of a gas increases, gas molecules exert more force on the walls of their container.

Your answer: All three statements are correct.

Explanation:
1) Gas pressure is a result of gas molecules colliding with the walls of their container, transferring their momentum and creating force.
2) When you increase the number of gas molecules in a container, the number of collisions with the walls also increases, which in turn increases the gas pressure.
3) As the temperature of a gas increases, the kinetic energy of the gas molecules increases, leading to more forceful collisions with the walls of the container and a higher gas pressure.

To know more about the gas pressure refer here :

https://brainly.com/question/18124975#

#SPJ11

Answer:

TRUE

Explanation:

Principal shell 2n has one s and one p subshell, and can hold a total of eight electrons. The p subshell has three dumbbell-shaped orbitals, as illustrated in Figure 4.

Answer:

Start with your basic equation for pH

pH = - log [H+]

then rearrange the equation to solve for [H+]

just like to get move something multiplied from the one side to the other you divide both sides by that number ( a*b = c …. a*b/b = c/b …. a = b/c), you do the ‘inverse’ of a log function, which is 10^

first bring the - over

-pH = log [H+]

then remove the log by taking 10^ on both sides

10^(-pH) = 10^(log [H+])

10^(-pH) = [H+]

and there is your relationship.

Explanation:

If the radius of the bowl is 10 and the depth of the water is 16 inches, the area of the surface of the water in the fish bowl is approximately 1,005 square inches.

To determine the surface area of the water in a fish bowl, we must first calculate the volume of the water. The fish bowl is in the shape of a sphere, so we can use the formula for the volume of a sphere, which is 4/3 πr^3. In this case, the radius of the bowl is 10 inches, so the volume of the water is 4/3 × 3.14 × 10^3, which equals approximately 4,188.8 cubic inches.

Next, we need to calculate the surface area of the water. Since the water level is 16 inches deep, we can use the formula for the surface area of a sphere segment, which is 2πrh, where r is the radius of the sphere and h is the height of the segment. In this case, the radius of the sphere is 10 inches and the height of the segment is 16 inches. Plugging these values into the formula, we get 2 × 3.14 × 10 × 16, which equals approximately 1,005 square inches.

Therefore, the area of the surface of the water in the fish bowl is approximately 1,005 square inches.

More on area: https://brainly.com/question/29298005

#SPJ11

Answer:

190+2=192

Explanation:

192 add it 192 added

Answer: they are right

Explanation:

A mass of 12.5 grams of \(Na_2S_2O_3\) is needed to dissolve 4.7 g of AgBr in a solution volume of 1 L.

The balanced equation for the dissolution of AgBr is:

AgBr (s) ↔ \(Ag^+\) (aq) + \(Br^-\) (aq)

The solubility product expression for AgBr is:

Ksp =\([Ag^+][Br^-]\)= 3.3 x \(10^{-13}\)

The reaction between \(Ag^+\) and \(S_2O_3^{2-}\) is:

\(Ag^+\) (aq) + 2 \(S_2O_3^{2-}\) (aq) ↔ \([Ag(S_2O_3)_2]^{3-}\) (aq)

The reaction quotient for \([Ag(S_2O_3)_2]^{3-}\) is:

Kq = [\(Ag^+\)]\([S_2O_3^{2-}]^2\) / \([Ag(S_2O_3)_2]^{3-}\) = 4.7 x \(10^{13}\)

We can use the solubility product expression to find the concentration of \(Ag^+\) in the solution:

[\(Ag^+\)] = Ksp / \([Br^-]\) = 3.3 x \(10^{-13}\) / (4.7 g / 187.77 g/mol / 1 L) = 1.64 x \(10^{-10}\)M

We can then use the reaction quotient to find the concentration of \(S_2O_3^{2-}\) in the solution:

\([S_2O_3^{2-}]\) = √(Kq \([Ag(S_2O_3)_2]^{3-}\) / \([Ag^+]\)) = √(4.7 x \(10^{13}\) / 1.64 x \(10^{-10}\)) / 2 = 7.9 x \(10^{-2}\) M

Finally, we can use the concentration of \(S_2O_3^{2-}\) to find the mass of \(Na_2S_2O_3\) needed to dissolve the AgBr:

mass = concentration x volume x molar mass = 7.9 x \(10^{-2}\) M x 1 L x 158.11 g/mol = 12.5 g

Learn more about the mass at

https://brainly.com/question/508865

#SPJ4