The space probe Pioneer 11 was launched on April 5, 1973, and reached Jupiter in December 1974, traveling a distance of 998 million km. How long did it take an electromagnetic signal to travel to Earth from Pioneer 11 when it was near Jupiter?

Answer:

Explanation:

An element with 70 protons and a mass of 170 would be considered radioactive.

In general, an element with an atomic number (number of protons) greater than 82 tends to be radioactive. Since the element in question has 70 protons, which is less than 82, it does not fall into the category of naturally radioactive elements. However, it is important to note that the stability of an element also depends on the balance between protons and neutrons in the nucleus. Without information about the number of neutrons in the nucleus, we cannot determine the stability of this specific element definitively.

Answer:

1920 Joules

Explanation:

* means multiply

^ means exponent

kinetic energy is in Joules or J

kinetic energy = 1/2 * mass * (velocity)^2

kinetic energy = 1/2 * 60 * (8)^2

kinetic energy = 1/2 * 60 * (8*8)

kinetic energy = 1/2 * 60 * (64)

kinetic energy = 1920 Joules or 1920 J

Answer:

KE = 1920 J

General Formulas and Concepts:

Energy

Kinetic Energy Formula: \(\displaystyle KE = \frac{1}{2}mv^2\)

Explanation:

Step 1: Define

[Given] m = 60 kg

[Given] v = 8 m/s

Step 2: Find KE

Topic: AP Physics 1 Algebra-Based

Unit: Energy

i honest dont evan speek spanish so good luck im gunna try to stark speeking spanish tho.

Answer:

Deberíamos hacerlo cuando volvamos de una tienda a nuestros hogares. Antes de comer, siempre debemos lavarnos las manos para que los gérmenes en nuestras manos no nos enfermen. Debemos lavarnos las manos durante al menos 20 segundos.

Answer:

entire, increasing, decreasing

Explanation:

The EM Spectrum is the entire range of EM waves in order of increasing frequency and decreasing wavelength.

Answer:

see below

Explanation:

A. The given reaction releases energy, indicating that it is an exothermic reaction.

B. The △H value for the reaction can be written as △H = -571.7 kJ, with a negative sign indicating the energy is released.

C. The balanced equation for the reaction between hydrogen and oxygen to form water is:

2H2(g) + O2(g) → 2H2O(l)

D. To calculate the amount of energy released when 10.0g of hydrogen is reacted with an excess of oxygen, we need to first determine the amount of hydrogen involved in the reaction.

The molar mass of hydrogen is 1.008 g/mol, so 10.0 g of hydrogen is equivalent to 10.0 g / 1.008 g/mol = 9.92 mol of hydrogen.

From the balanced equation, we can see that 2 mol of hydrogen is required for every 1 mol of oxygen, so the amount of oxygen involved in the reaction is twice the amount of hydrogen.

Therefore, the amount of oxygen needed for 9.92 mol of hydrogen is 2 × 9.92 mol = 19.84 mol.

Assuming that there is an excess of oxygen, all of the hydrogen will react, so the limiting reactant is oxygen.

Using the △H value of -571.7 kJ, we can calculate the amount of energy released as follows:

-571.7 kJ / 2 mol H2 = -285.9 kJ/mol H2

So the energy released when 10.0 g of hydrogen reacts with an excess of oxygen is:

-285.9 kJ/mol H2 × 9.92 mol H2 = -2836.53 kJ

Therefore, the reaction releases 2836.53 kJ of energy when 10.0 g of hydrogen reacts with an excess of oxygen.

Answer:

mixture

Explanation:

Physical separation techniques, such as filtration, can be used to separate mixtures into their component parts. As a result, mixture separation is less difficult than chemical compound separation. Therefore, option B is correct.

A substance made up of two or more separate chemical compounds that are not chemically linked is referred to as a mixture. A mixture is the actual coming together of two or more substances while maintaining their individual identities.

Because they are not chemically linked to one another, the components of a mixture are extremely simple to separate. We'll examine five various techniques for separating mixtures: Filtration. Crystallization.

A mixture's constituent parts are distinguished from one another by differences in their physical characteristics, such as particle size. The separation of the compounds is made easier by how varied their properties are. Tea leaves can be filtered using a strainer because they do not dissolve in water.

Thus, option B is correct.

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B. the volume of the gas to increase.

Thermal energy is the energy associated with the random motion of the particles in a substance, such as a gas. When thermal energy is added to a gas at constant pressure, the increased kinetic energy of the gas particles causes them to move apart, increasing the volume of the gas. This relationship is described by Gay-Lussac's Law, which states that at a constant pressure, the volume of a gas is directly proportional to its temperature.

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Answer:

2.04x10⁻⁴ mol

Explanation:

First we convert 3.06x10⁻³ grams of glycine into moles of glycine, using its molar mass:

In order to calculate the number of hydrogen moles, we multiply the number of glycine moles by 5, as there are 5 hydrogen moles per glycine mol:

Answer:

True

Explanation:

Because atoms with the same number of valence electrons react in similar ways with other elements.

In the given reaction, the reactants are hydrochloride acid (HCI) and sodium hydroxide (NaOH). The products are sodium chloride (NaCl) and water.

The chemical equation provided represents a neutralization reaction between hydrochloric acid (HCI) and sodium hydroxide (NaOH) in aqueous solution.

A neutralization reaction is a type of double displacement reaction in which an acid and a base react to form salt and water.

The reactants in this equation are hydrochloric acid (HCI) and sodium hydroxide (NaOH). Hydrochloric acid is a strong acid that dissociates in water to form hydrogen ions (H+) and chloride ions (Cl-). Sodium hydroxide, on the other hand, is a strong base that dissociates in water to form sodium ions (Na+) and hydroxide ions (OH-).

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Answer:

what is th question??????????

The order of the resonance structures is C > A > B.

In the order of thermodynamic stability we have A > C >D >B

The compounds have one stereogenic center.

The average of all potential resonance structures for a molecule or ion is represented by the hypothetical molecule known as a resonance hybrid.

When a molecule or ion may be described by two or more Lewis structures that only differ in the arrangement of electrons, resonance occurs. In other words, resonance structures have the same atomic arrangement but have different electron distributions.

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The position and energy of an electron are intricately linked in the quantum realm.

The position of an electron is related to its energy through the principles of quantum mechanics. According to the Bohr model, electrons occupy specific energy levels or orbitals around the nucleus of an atom. These energy levels are quantized, meaning they can only have specific values. Electrons with lower energy are found closer to the nucleus in lower energy levels, while those with higher energy occupy outer energy levels. The energy of an electron is directly proportional to its distance from the nucleus. As the electron transitions between energy levels, it either absorbs or emits energy in discrete quantities known as photons. The energy of an electron can also be influenced by external factors such as electric and magnetic fields.

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Answer:

Physical changes are reversible changes.

Explanation:

So, no new substance is formed with a physical change.

The final volume of the of the dilute solution is 0.13 L. This is calculated by using dilution equation.

Dilution is defined as the process of decreasing the concentration of a solute in a solution by mixing with more solvent like adding more water to the solution. Dilution means to add more solvent without the addition of more solute. Dilution decreases the concentration of the solute in the solution. According to the dilution equation,

    M1V1  = M2V2  

Here, M1 is the initial concentration, V1 is the initial volume, M2 is the concentration after mixing or diluting and V2 is the total final volume of the solution.

M1 = 3.13 M  

V1  = 41.6 mL

M2  = 1.00 M  

V2 = M1V1 / M2

V2 = 3.13 x 41.6 / 1.00

V2 = 130.21 mL

    = 0.13 L

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Answer:mnedd kfj

Explanation:

fr rb r

Answer:

3 sig figs

Explanation:

one of the rules for sig figs is a when a whole number has zeros if they are sandwiched between whole number for ex. 34007 they would all be sig figs. hope this helps!

btw all the zeros behind the decimal are significant for ex. 0.4800

Answer:

you could make it 43.2 x 10^2

Explanation:

A sample of gas at 2815 torr is cooled from 150.0 C to 100.0 C. Assuming the volume is constant, 2482.2torr is the pressure in atm of the gas at 100.0 C.

The force delivered perpendicularly to an object's surface per unit area across how that force is dispersed is known as pressure (symbol: p / P). The pressure in relation to the surrounding air pressure is known as gauge pressure, also spelt gauge pressure.

Pressure is expressed using a variety of units. Some of these are calculated by dividing a unit of force by a unit of area; for instance, the metric system's unit of pressure, a pascal (Pa), is equal to one newton / square metre (N/m2).

P₁/T₁=P₂/T₂

2815 ×373/423=2482.2torr

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Answer:

it should be rinsed to clean the glassware

Answer: 0.0827

Hope This Will Help You And This Should Be The Correct One.

The minimum entropy change of the heat-supplying source is -0.87 kJ/K.

In this case, given the initial conditions, we first use the 10-% quality to compute the initial entropy.

S₁ = 1.485  +  (0.1)(5.6865) = 2.0537 kJ/kg K

The entropy at the final state given the new 40-% quality:

S₂ = 1.4337  +  (0.4)(5.7894) = 3.7495 kJ/kg K

m₁ = 0.026/(0.001057   +  0.1 x 1.002643) = 0.257 kg

m₂ = 0.026/(0.001053   +  0.4 x 1.158347)  = 0.056 kg

ΔS + S₁  - S₂  + S₂m₂  - S₁m₁  -  sfg(m₂  -  m₁)  > 0

ΔS + 2.0537 -  3.7495 + (3.7495 x 0.056)  -   (2.0537 x 0.257)  - 5.6865( 0.056 - 0.257)  >  0

ΔS > -0.87 kJ/K

Thus, the minimum entropy change of the heat-supplying source is -0.87 kJ/K.

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Answer

128.62 g LiHCO

Explanation

Balanced chemical reaction:

LiOH + CO₂ → LiHCO₃

Molar masses

LiOH = 23.95 g/mol

CO₂ = 44.01 g/mol

LiHCO₃ = 68.0 g/mol

From the balanced chemical reaction;

1 mol LiOH → 1 mol LiHCO₃

Note: 1 mole of LiOH contains 23.95 g/mol and 1 mole of LiHCO₃ has 68.0 g/mol.

So,

23.95 g/mol LiOH → 68.0g/mol LiHCO

45.3 g LiOH → (68 x 45.3)/23.95 g = 128.62 g LiHCO

128.62 g LiHCO is

"Sam is being a good digital citizen by following a code of conduct.

A code of conduct is a set of rules that govern how people should behave online. It is important to follow a code of conduct because it helps to create a safe and respectful environment for everyone.

Here, Sam is following the code of conduct for his gaming group. This code of conduct may include rules about using offensive language, cheating, and griefing. By following these rules, Sam is helping to create a positive experience for everyone in his gaming group.

Therefore, Sam is following the code of conduct.

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To graph the function g(x) = f(-x), you can start with the graph of f(x) and then reflect it about the y-axis.

To find the graph of the function g(x) = f(-x), we can start with the graph of the function f(x) and then reflect it about the y-axis.

If the graph of f(x) is symmetric with respect to the y-axis, meaning it is unchanged when reflected, then g(x) = f(-x) will have the same graph as f(x).

However, if the graph of f(x) is not symmetric with respect to the y-axis, then g(x) = f(-x) will be a reflection of f(x) about the y-axis.

In either case, the resulting graph of g(x) = f(-x) will be symmetric with respect to the y-axis.

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Answer:

Br-CH2-CH(CH3)2-C(Cl)H-CH(CH3)2-CHO

Explanation:

The molecule has a total of 14 carbon atoms, 13 hydrogen atoms, and 1 bromine atom. The carbon atoms are arranged in a chain with a methyl group attached to the second carbon atom, a chlorine atom attached to the third carbon atom, and two methyl groups attached to the fourth carbon atom. The fifth carbon atom has a carbonyl group attached to it.

The molecule is an aldehyde, which means that it has a carbonyl group (C=O) at the end of the chain. The carbonyl group is polar, and the oxygen atom has a partial negative charge. The hydrogen atom has a partial positive charge. This polarity makes the aldehyde group susceptible to nucleophilic attack.

The bromine and chlorine atoms are both electrophilic, which means that they have a partial positive charge. This makes them susceptible to nucleophilic attack.

The methyl groups are non-polar and do not have any significant reactivity.

The molecule is a chiral molecule, which means that it has a mirror image that is not superimposable on itself. This is because the carbon atom with the carbonyl group is attached to four different groups.

The molecule is a liquid at room temperature and has a strong odor. It is used in a variety of products, including perfumes, flavorings, and plastics.

Answer:

C

Explanation:

According to the activity series, Li can displace Zn to give LiCO3

The sub-atomic particles are not made up of atoms, they have their own identity.

Sub -atomic particles are defined as particles which compose an atom. A sub -atomic particle can be a composite particle composed of other particles or an elementary particle  which is not composed of other particles.

The elementary particles are six flavors of quarks , six types of leptons and twelve gauge Bosons .All sub atomic particles have an electric charge  which is an integer multiple of elementary charge.They are in smaller in size as  compared to atoms.

The three fundamental sub-atomic particles are electrons , protons and neutrons . The smallest known sub-atomic particles to exist are called quarks. Neutrons and protons are the sub-atomic particles which reside in the nucleus and are together called as nucleons.

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Answer:

B

Explanation: